OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Motherboards Methodology v3.0
Motherboards Methodology v3.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Motherboards Methodology v3.0: the technical score from the specifications is the base, and independent expert and video reviews (up to ±0.5 points), owner opinions (up to ±0.3) and best-of lists (up to +0.3) move it up or down.
Explore Motherboards Methodology v3.0

ASRock Fatal1ty AB350 Gaming K4 review: 109 specs compared

Avg. price:~£110CPU socket:AM4Chipset:AMD B350Form factor:ATX

ASRock Fatal1ty AB350 Gaming K4 Review: Compare 109 technical specifications and 7 expert and video reviews to see how this product ranks in the Motherboards category and whether it is worth buying.

ASRock Fatal1ty AB350 Gaming K4
6.4/10

Overall score

Score
6.4/ 10
✕
What it is
Our main score for this model, 1–10. It combines specs, expert reviews, best-of lists, owners and ratings from across the web.
How we count it
Parts: Technical score 40%, Reviews score 20%, List score 20%, Sentiment score 10%, User score 10%
Marks: Each part gets a mark out of 10. For reviews, lists and owners, a typical model in this category gets about 8 and the best one gets 10.
No data yet: A part with no data shows "?". It counts as the mark of a weaker model in this category (4 in 5 models with data score higher). This way, models with reviews, lists and owners usually come out ahead.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 73% of models
Score components

40%

4.9

Technical score

20%

8.6

Reviews score

20%

?

List scoreNot enough data yet, so we use 7.5, the mark of a weaker model in this category

10%

?

Sentiment scoreNot enough data yet, so we use 7.0, the mark of a weaker model in this category

10%

4.9

User score

â–¼Worse than 73% of motherboards
7.5

Value for money

Value for money
7.5/ 10
✕
What it is
An indicator that combines the motherboard's overall rating with its cost.
When it matters
When you are looking for a motherboard that offers a strong balance of features, performance, and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 66% of models
Score components

70%

6.4

Overall score

30%

9.9

Price

â–¼Worse than 66%
4.9

Technical score

Technical score
4.9/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 40% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 75% of models
Score components

19%

6.0

Memory

16%

6.6

Platform

16%

4.9

Storage

15%

3.0

Network

13%

3.9

Ports

8%

3.2

Expansion

8%

5.2

Power & Cooling

5%

6.6

Audio

â–¼Worse than 75%
8.6

Reviews score

Reviews score
8.6/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.8 for now.
Share: Reviews count 20% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 78% of models

80%

8.5

Average grade

20%

8.8

Popularity

Grades by review (7)
5 reviews: 2 with a printed score, 3 estimated from the review. 2 video reviews, each counting half as much as a written test. Reviews count 20% of the overall score.
Ratings from across the web count in the User score, not in this score.
â–²Better than 78%
4.9

User score

User score
4.9/ 10
✕
What it is
How happy buyers are with this model, based on ratings from across the web.
How we count it
Enough data: A model needs at least 1 rating from across the web. Without one, it counts as 7.9, the mark of a weaker rated model in this category.
Share: User score counts 10% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 86% of models

4.9

Mark 8.2 is below the typical mark 8.4 of this category, so it cannot lift the score above the technical score

70%

8.3

Rating

30%

8.0

Popularity

â–¼Worse than 86%
?

List score

List score
7.5/ 10
✕
What it is
How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
How we count it
Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 20% of the overall score.
Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
Lists with this model (0)
Not in any best-of list yet, so this part counts as 7.5. Models in a list get 8 to 10.
Not in any best-of list yet
  • asrock-fatal1ty-ab350-gaming-k4
  • asrock-fatal1ty-ab350-gaming-k4
  • asrock-fatal1ty-ab350-gaming-k4
  • asrock-fatal1ty-ab350-gaming-k4
  • asrock-fatal1ty-ab350-gaming-k4
  • asrock-fatal1ty-ab350-gaming-k4
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.

What reviewers say about the ASRock Fatal1ty AB350 Gaming K4

Based on 5 · 2

Reviewers like the storage options but criticize memory support, and are split on how well it overclocks.
Praised
Mixed views
Criticised
Pick a topic to see who said what

What owners say about the ASRock Fatal1ty AB350 Gaming K4

Based on 25 owners sharing their experience in online comments

44%positive0%mixed56%negative

Owners praise BIOS updates, Ryzen support, and memory tuning, but RAM speed and boot problems keep the board unreliable.

What owners dislike

  • Memory speed fails to set: with XMP at 3200 MHz the PC shuts down repeatedly before booting, and RAM stays stuck at 2133 MHz even after a BIOS update.6
  • Some Ryzen 1600, 1600X and 3600X CPUs produce no display or boot loop, even after a BIOS update.4

Points mentioned by at least 3 owners, most mentioned first.

Loading category ranking...

Technical Specifications of motherboard ASRock Fatal1ty AB350 Gaming K4

Technical score
Technical score
4.9/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 40% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 75% of models
Score components:

19%

6.0

Memory

16%

6.6

Platform

16%

4.9

Storage

15%

3.0

Network

13%

3.9

Ports

8%

3.2

Expansion

8%

5.2

Power & Cooling

5%

6.6

Audio

4.9
Reviews score
8.6
User score
4.9
List score
?
Value for money
Value for money
7.5/ 10
✕
What it is
An indicator that combines the motherboard's overall rating with its cost.
When it matters
When you are looking for a motherboard that offers a strong balance of features, performance, and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 66% of models
Score components:

70%

6.4

Overall score

30%

9.9

Price

7.5
CPU socket
AM4
This motherboard uses AM4, which is more up-to-date than 38.2% of Motherboards and the same as 13.3% of Motherboards.
CPU platform
AMD
Chipset
AMD B350
This motherboard uses AMD B350, which is less capable than 84.7% of Motherboards and as capable as 0.8% of Motherboards.
Form factor
ATX
Integrated graphics support
yes
This motherboard supports integrated graphics. 10.2% of motherboards support this feature.
Rear outputs: HDMI + DVI + VGA.
Show more
What reviewers say
DDR memory version
DDR4
This motherboard uses DDR4, which is more modern than 13.4% of Motherboards and the same as 50.4% of Motherboards.
Memory slots
4
Market range: <2 – >4
This motherboard has 4 Memory slots, which is more than 21.9% of motherboards and equal to 72% of motherboards.
Maximum memory capacity
64 GB
Market range: <32 GB – >256 GB
This motherboard supports up to 64 GB of memory, which is less than 63% of motherboards and equal to 23.9% of motherboards.
Memory channels
2
Maximum RAM speed
3,200 MT/s
Market range: <2.1k MT/s – >8k MT/s
This motherboard supports memory speeds up to 3,200 MT/s, which is lower than that of 63.1% of motherboards and equal to that of 11.2% of motherboards.
maximum depends on CPU configuration
Show more
What reviewers say
N. of M.2 sockets
2
Market range: <0 – >4
This motherboard has 2 M.2 sockets, which is more than 30.5% of motherboards and equal to 34.5% of motherboards.
M.2 slot interface per slot
1x PCIe 3.0 x4, 1x PCIe 3.0 x4/SATA
This motherboard offers M.2 slots: 1x PCIe 3.0x4, 1x PCIe 3.0x4/SATA, which is slower than 61.8% of Motherboards and the same as 1.9% of Motherboards.
N. of SATA 3 connectors
6
Market range: <4 – >8
This motherboard has 6 SATA 3 connectors, which is more than 53.5% of motherboards and equal to 31.2% of motherboards.
Supported RAID levels
0/1/10
This motherboard RAID support: 0/1/10, which is less flexible than 67.6% of Motherboards and the same as 23.6% of Motherboards.
NVMe RAID support
no
This motherboard does not support NVMe RAID. 59.9% of motherboards support this feature.
Show more
What reviewers say
N. of PCIe 5.0 x16 slots
0
Market range: <0 – >1
This motherboard has 0 PCIe 5.0x16 slots, which is fewer than 31.6% of motherboards and equal to 68.4% of motherboards.
N. of PCIe 4.0 x16 slots
0
Market range: <0 – >1
This motherboard has 0 PCIe 4.0x16 slots, which is fewer than 44.8% of motherboards and equal to 55.2% of motherboards.
N. of PCIe 3.0 x16 slots
2
Market range: <0 – >3
This motherboard has 2 PCIe 3.0x16 slots, which is more than 67.3% of motherboards and equal to 15.4% of motherboards.
PCIe slot electrical configuration
x16/x0/x4, x8/x0/x4
This motherboard splits its PCIe lanes as x16/x0/x4, x8/x0/x4, which is more generous than 61.9% of Motherboards and the same as 0.2% of Motherboards.
PCIe bifurcation support
no
This motherboard does not support PCIe bifurcation. 59.8% of motherboards support this feature.
Show more
Total USB ports (rear I/O)
8
Market range: <6 – >10
This motherboard has 8 USB ports (rear I/O), which is more than 40.6% of motherboards and equal to 30.3% of motherboards.
Total USB ports (including headers)
14
Market range: <11 – >19
This motherboard has 14 USB ports (including headers), which is fewer than 52.3% of motherboards and equal to 12.4% of motherboards.
Total USB-C ports (rear I/O)
1
Market range: <0 – >2
This motherboard has 1 USB-C ports (rear I/O), which is more than 35.8% of motherboards and equal to 48.3% of motherboards.
Total USB-C ports (including headers)
1
Market range: <0 – >3
This motherboard has 1 USB-C ports (including headers), which is more than 30.5% of motherboards and equal to 21.1% of motherboards.
N. of USB 3.2 Gen2x2 ports (USB-C)
0
Market range: <0 – >1
This motherboard has 0 USB 3.2 Gen2x2 ports (USB-C), which is fewer than 18% of motherboards and equal to 82% of motherboards.
Show more
LAN speed
1 Gbps
Market range: <1 Gbps – >2.5 Gbps
This motherboard supports LAN speeds up to 1 Gbps, which is lower than that of 51.1% of motherboards and equal to that of 48.9% of motherboards.
LAN controller
Realtek RTL8111G
This motherboard has a Realtek RTL8111G LAN controller, which is slower than 60.4% of Motherboards and equal to 2.1% of Motherboards.
N. of RJ45 ports
1
Market range: <1 – >2
This motherboard has 1 RJ45 ports, which is fewer than 14.4% of motherboards and equal to 85.6% of motherboards.
Wi-Fi connectivity
no
This motherboard does not support Wi-Fi connectivity. 50.1% of motherboards support this feature.
Wi-Fi version
N/A
Show more
Audio codec
Realtek ALC892
This motherboard uses Realtek ALC892, which is lower-end than 79.9% of Motherboards and the same as 8.8% of Motherboards.
Audio channels
7.1
This motherboard offers 7.1 audio channels, which is more than 4.7% of motherboards and equal to 95.3% of motherboards.
full 7.1 needs front panel audio.
Audio SNR
95 dB
Market range: <95 dB – >120 dB
This motherboard has an audio SNR of 95 dB, which is lower than that of 82.7% of motherboards and equal to that of 10.5% of motherboards.
Headphone amp support
yes
This motherboard supports a headphone amp. 41.2% of motherboards support this feature.
N. of 3.5mm audio jacks
3
Market range: <2 – >6
This motherboard has 3 3.5mm audio jacks, which is more than 11.3% of motherboards and equal to 39.3% of motherboards.
Show more
VRM phases
6+3
This motherboard has 6+3 VRM phases, which is fewer than 69.2% of motherboards.
N. of CPU power connectors
1
Market range: <1 – >2
This motherboard has 1 CPU power connectors, which is fewer than 45.2% of motherboards and equal to 54.9% of motherboards.
N. of fan headers
4
Market range: <3 – >8
This motherboard has 4 fan headers, which is fewer than 64.7% of motherboards and equal to 12.4% of motherboards.
Pump header
no
This motherboard does not have a pump header. 77.9% of motherboards include this feature.
Pump header max current
1 A
Market range: <0 A – >3 A
This motherboard supports up to 1 A on the pump header, which is lower than that of 56.5% of motherboards and equal to that of 19.6% of motherboards.
Show more

ASRock Fatal1ty AB350 Gaming K4 vs the average motherboard

246810TotalPlatformMemoryStorageExpansionPortsNetworkAudioPower & Cooling
  • 1 more USB 3.2 Gen1 USB-C ports
    This motherboard has more USB 3.2 Gen1 USB-C ports than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen1 USB-C port/s.
    1 vs 0
  • 3 more PCIe x1 slots
    This motherboard has more PCIe x1 slots than the average motherboard (4 vs 1). The average motherboard has 1 PCIe x1 slot/s.
    4 vs 1
  • More up-to-date socket
    This motherboard uses a more up-to-date socket than the average motherboard (AM4 vs LGA 1151).
    AM4 vs LGA 1,151
  • 17.8% higher review score
    Reviews score
    8.6/ 10
    ✕
    What it is
    Average grade from independent test sites, magazines and video reviewers, 1–10.
    How we count it
    Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
    Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
    Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.8 for now.
    Share: Reviews count 20% of the overall score.
    Score distribution
    â–¼
    <55-66-77-88-99-10
    â–² Better than 78% of models

    80%

    8.5

    Average grade

    20%

    8.8

    Popularity

    Grades by review (7)
    5 reviews: 2 with a printed score, 3 estimated from the review. 2 video reviews, each counting half as much as a written test. Reviews count 20% of the overall score.
    Ratings from across the web count in the User score, not in this score.
    8.6 vs 7.3
  • Supports ECC memory
    This motherboard supports ECC memory, while the average motherboard does not. 20.9% of motherboards support ECC memory.
    ECC requires compatible CPU.
  • 1 more RGB headers
    This motherboard has more RGB headers than the average motherboard (2 vs 1). The average motherboard has 1 RGB header/s.
    2 vs 1
  • 2 more SATA 3 connectors
    This motherboard has more SATA 3 connectors than the average motherboard (6 vs 4). The average motherboard has 4 SATA 3 connectors.
    6 vs 4
  • 1 more USB 3.2 Gen1 ports
    This motherboard has more USB 3.2 Gen1 ports than the average motherboard (5 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.
    5 vs 4
  • 17.8% higher review score
    Reviews score
    8.6/ 10
    ✕
    What it is
    Average grade from independent test sites, magazines and video reviewers, 1–10.
    How we count it
    Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
    Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
    Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.8 for now.
    Share: Reviews count 20% of the overall score.
    Score distribution
    â–¼
    <55-66-77-88-99-10
    â–² Better than 78% of models

    80%

    8.5

    Average grade

    20%

    8.8

    Popularity

    Grades by review (7)
    5 reviews: 2 with a printed score, 3 estimated from the review. 2 video reviews, each counting half as much as a written test. Reviews count 20% of the overall score.
    Ratings from across the web count in the User score, not in this score.
    8.6 vs 7.3
  • More up-to-date socket
    This motherboard uses a more up-to-date socket than the average motherboard (AM4 vs LGA 1151).
    AM4 vs LGA 1,151
  • Broader Windows support
    This motherboard supports a wider range of Windows versions than the average motherboard (Windows 11, Windows 10, Windows 7 vs Windows 11, Windows 10).
    Windows 11, Windows 10, Windows 7 vs Windows 11, Windows 10
  • Supports ECC memory
    This motherboard supports ECC memory, while the average motherboard does not. 20.9% of motherboards support ECC memory.
    ECC requires compatible CPU.
  • 2 more SATA 3 connectors
    This motherboard has more SATA 3 connectors than the average motherboard (6 vs 4). The average motherboard has 4 SATA 3 connectors.
    6 vs 4
  • 3 more PCIe x1 slots
    This motherboard has more PCIe x1 slots than the average motherboard (4 vs 1). The average motherboard has 1 PCIe x1 slot/s.
    4 vs 1
  • 1 more USB 3.2 Gen1 USB-C ports
    This motherboard has more USB 3.2 Gen1 USB-C ports than the average motherboard (1 vs 0). The average motherboard has 0 USB 3.2 Gen1 USB-C port/s.
    1 vs 0
  • 1 more USB 3.2 Gen1 ports
    This motherboard has more USB 3.2 Gen1 ports than the average motherboard (5 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.
    5 vs 4
  • More capable LAN controller
    This motherboard has a faster LAN controller than the average motherboard (Realtek RTL8111G vs Killer + Intel + Realtek).
    Realtek RTL8111G vs Killer + Intel + Realtek
  • 1 more RGB headers
    This motherboard has more RGB headers than the average motherboard (2 vs 1). The average motherboard has 1 RGB header/s.
    2 vs 1
  • Includes onboard RGB lighting
    This motherboard has onboard RGB lighting, while the average motherboard does not. 50% of motherboards include onboard RGB lighting.
  • More basic chipset
    This motherboard uses a more basic chipset than the average motherboard (AMD B350 vs Intel B860).
    AMD B350 vs Intel B860
  • 60% lower LAN speed
    This motherboard has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
    1 Gbps vs 2.5 Gbps
  • Slower NVMe storage slots
    This motherboard has slower M.2 slots than the average motherboard (1x PCIe 3x4, 1x PCIe 3x4/SATA vs 1x PCIe 5x4, 2x PCIe 4x4).
    1x PCIe 3.0x4, 1x PCIe 3.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • No NVMe RAID support
    This motherboard does not support NVMe RAID, while the average motherboard does. 59.9% of motherboards support NVMe RAID.
  • 50% less maximum memory capacity
    This motherboard has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
    64 GB vs 128 GB
  • No Wi-Fi connectivity
    This motherboard does not support Wi-Fi connectivity, while the average motherboard does. 50.1% of motherboards support Wi-Fi connectivity.
  • No BIOS flashback support
    This motherboard does not support BIOS flashback, while the average motherboard does. 51.3% of motherboards support BIOS flashback.
  • No Wi-Fi antenna included
    This motherboard does not include a Wi-Fi antenna, while the average motherboard does. 51.1% of motherboards include a Wi-Fi antenna.
  • 33.8% lower user score
    User score
    4.9/ 10
    ✕
    What it is
    How happy buyers are with this model, based on ratings from across the web.
    How we count it
    Enough data: A model needs at least 1 rating from across the web. Without one, it counts as 7.9, the mark of a weaker rated model in this category.
    Share: User score counts 10% of the overall score.
    Score distribution
    â–¼
    <55-66-77-88-99-10
    â–¼ Worse than 86% of models

    4.9

    Mark 8.2 is below the typical mark 8.4 of this category, so it cannot lift the score above the technical score

    70%

    8.3

    Rating

    30%

    8.0

    Popularity

    4.9 vs 7.4
  • 3.2% worse value for money
    ASRock Fatal1ty AB350 Gaming K4 has worse value for money than the average motherboard (7.46 vs 7.7).
    7.46 vs 7.7
  • More basic chipset
    This motherboard uses a more basic chipset than the average motherboard (AMD B350 vs Intel B860).
    AMD B350 vs Intel B860
  • No BIOS flashback support
    This motherboard does not support BIOS flashback, while the average motherboard does. 51.3% of motherboards support BIOS flashback.
  • No debug LED indicators
    This motherboard does not have debug LED indicators, while the average motherboard does. 78.7% of motherboards include debug LED indicators.
  • Fewer BIOS update methods
    This motherboard offers fewer BIOS update methods than the average motherboard (UEFI utility, internet flash vs UEFI utility, flashback, Windows app).
    UEFI utility, internet flash vs UEFI utility, flashback, Windows app
  • No automatic overclocking
    This motherboard does not support automatic overclocking, while the average motherboard does. 74.1% of motherboards support automatic overclocking.
  • 50% less maximum memory capacity
    This motherboard has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
    64 GB vs 128 GB
  • 31.9% lower maximum RAM speed
    This motherboard has a lower maximum RAM speed than the average motherboard (3,200 MT/s vs 4,699.5 MT/s). The average motherboard supports RAM speed of 4,699.5 MT/s.
    maximum depends on CPU configuration
    3,200 MT/s vs 4,699.5 MT/s
  • 36% lower overclocked RAM speed
    This motherboard has a lower overclocked RAM speed than the average motherboard (3,200 MT/s vs 5,000 MT/s). The average motherboard supports overclocked RAM speed of 5,000 MT/s.
    3,200 MT/s vs 5,000 MT/s
  • Slower NVMe storage slots
    This motherboard has slower M.2 slots than the average motherboard (1x PCIe 3x4, 1x PCIe 3x4/SATA vs 1x PCIe 5x4, 2x PCIe 4x4).
    1x PCIe 3.0x4, 1x PCIe 3.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • No NVMe RAID support
    This motherboard does not support NVMe RAID, while the average motherboard does. 59.9% of motherboards support NVMe RAID.
  • Fewer RAID options
    This motherboard offers fewer RAID levels than the average motherboard (0/1/10 vs 0/1/5/10).
    0/1/10 vs 0/1/5/10
  • No PCIe bifurcation support
    This motherboard does not support PCIe bifurcation, while the average motherboard does. 59.7% of motherboards support PCIe bifurcation.
  • 1 fewer USB 3.2 Gen2 ports
    This motherboard has fewer USB 3.2 Gen2 ports than the average motherboard (0 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
    0 vs 1
  • 1 fewer DisplayPort outputs
    This motherboard has fewer DisplayPort outputs than the average motherboard (0 vs 1). The average motherboard has 1 DisplayPort outputs.
    0 vs 1
  • 1 fewer total USB connections
    This motherboard has fewer total USB connections than the average motherboard (14 vs 15). The average motherboard has 15 total USB connections.
    14 vs 15
  • 60% lower LAN speed
    This motherboard has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
    1 Gbps vs 2.5 Gbps
  • No Wi-Fi connectivity
    This motherboard does not support Wi-Fi connectivity, while the average motherboard does. 50.1% of motherboards support Wi-Fi connectivity.
  • No Wi-Fi antenna included
    This motherboard does not include a Wi-Fi antenna, while the average motherboard does. 51.1% of motherboards include a Wi-Fi antenna.
  • 20 dB lower audio SNR
    This motherboard has a lower audio SNR than the average motherboard (95 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.
    95 dB vs 115 dB
  • Less capable onboard audio
    This motherboard has a lower-end audio codec than the average motherboard (Realtek ALC892 vs Realtek ALC897).
    Realtek ALC892 vs Realtek ALC897
  • No optical S/PDIF out
    This motherboard does not have optical S/PDIF out, while the average motherboard does. 55.4% of motherboards include optical S/PDIF out.
  • 2 fewer ARGB headers
    This motherboard has fewer ARGB headers than the average motherboard (0 vs 2). The average motherboard has 2 ARGB header/s.
    0 vs 2
  • No pump header
    This motherboard does not have a pump header, while the average motherboard does. 77.9% of motherboards include a pump header.
  • 1.5 fewer fan headers
    This motherboard has fewer fan headers than the average motherboard (4 vs 5.5). The average motherboard has 5.5 fan header/s.
    4 vs 5.5
  • Fewer VRM phases
    This motherboard has fewer VRM phases than the average motherboard (6+3 vs 10). The average motherboard has 10 VRM phase/s.
    6+3 vs 10
  • 1 A lower pump header current limit
    This motherboard has a lower pump header current than the average motherboard (1 A vs 2 A). The average motherboard provides pump header current of 2 A.
    1 A vs 2 A

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

9.0
Level1Techs
≈ estimated
12/05/2017
Hands-on review · IOMMU and Linux passthrough tests
Verdict
ASRock Fatal1ty AB350 Gaming K4 impressed in early testing, and more tests are still to come.
8.0
Matt's Paddock
≈ estimated
10/04/2017
Hands-on review · overclock and RAM tests
Verdict
ASRock Fatal1ty AB350 Gaming K4 is a strong budget board, though RAM support and overclocking options are limited.
Not graded
Not graded

Expert reviews

In-depth analysis and verdict from leading tech publications

9.0
vortez.net
≈ estimated
16/07/2017
Benchmark review · B350 gaming board
Verdict
The ASRock Fatal1ty AB350 Gaming K4 is a B350 gaming board with an extra M.2 slot and a responsive UEFI, but it overclocks only to about 3.9GHz.
8.0
kitguru.net
✓ explicit
13/05/2017
Lab test · Budget Ryzen board
Verdict
The ASRock Fatal1ty AB350 Gaming K4 suits budget Ryzen gamers who want two M.2 slots, though its push-pin mounting and four-lane second graphics slot are drawbacks.
9.0
cabletechtalk.com
≈ estimated
09/01/2018
Hands-on review · Budget AM4 board
Verdict
The ASRock Fatal1ty AB350 Gaming K4 is an affordable AM4 board with two M.2 slots, but its limited overclocking caps how far enthusiasts can push it.
9.0
madboxpc.com
≈ estimated
24/04/2017
Lab test · Budget AM4 board
Verdict
The ASRock Fatal1ty AB350 Gaming K4 is a stable, fairly priced AM4 board that overclocks as well as rivals, but its sound chip is only average.
8.5
rehwolution.it
✓ explicit
10/05/2017
Benchmark review · AMD B350 board
Verdict
The ASRock Fatal1ty AB350 Gaming K4 is a B350 board that nearly matches X370 boards in benchmarks with a Ryzen 7 1800X.

Third-party reviews

What customers like about ASRock Fatal1ty AB350 Gaming K4

  • Excellent value for money, often cited as a 'bang for buck' award winner
  • Dual M.2 slots (one Ultra M.2 PCIe Gen3 x4 and one M.2 SATA3) provide great storage flexibility for its price tier
  • Solid overclocking performance for a B350 chipset, capable of reaching 4.0GHz+ on Ryzen CPUs
  • Aesthetically pleasing red and black 'Fatal1ty' gaming design with RGB LED headers
  • Straightforward and user-friendly BIOS interface that is easy to navigate and update
  • Includes a USB Type-C port, which was uncommon for budget-oriented boards at its launch
  • Steel-reinforced PCIe slot provides extra durability for heavy modern graphics cards

What customers don't like about ASRock Fatal1ty AB350 Gaming K4

  • Onboard audio solution (Realtek ALC892) is considered average and can suffer from electrical noise
  • Limited rear I/O audio connectivity, lacking a full range of 7.1 analog ports without expansion
  • Memory compatibility can be finicky, especially with high-speed kits or when populating all four DIMM slots
  • Two of the six SATA ports use a slower third-party ASM1061 controller compared to the native chipset ports
  • The 6+3 phase VRM, while adequate for moderate use, lacks load-line calibration (LLC) for advanced overclocking stability
  • Non-standard ATX width (slightly narrower) can make it difficult to reach all mounting standoffs in some cases
  • Limited RGB lighting control options compared to more modern or higher-end ecosystems

Verdict

The ASRock Fatal1ty AB350 Gaming K4 is an ATX motherboard built on the AMD B350 chipset, supporting AM4 socket CPUs with a 9-phase power design and ASRock Super Alloy components. Key specifications include four DDR4 DIMM slots supporting up to 64GB at 3200+ MHz (OC), dual M.2 slots (one Ultra M.2 PCIe Gen3 x4 and one M.2 SATA3), and six SATA3 ports. For connectivity, it offers eight USB 3.1 Gen1 ports (including one Type-C), Realtek Gigabit LAN, and 7.1 CH HD audio via the ALC892 codec with Creative Sound Blasterâ„¢ Cinema 3 support. Main pros include its affordable entry point for overclocking, dual M.2 storage options, and stable RAM compatibility with newer BIOS updates; however, notable cons include the lack of an optical S/PDIF port, shared bandwidth that disables specific PCIe/SATA ports when certain M.2 slots are occupied, and slower performance on the two ASMedia-driven SATA ports compared to the native B350 chipset ones.

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