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 Z270 Killer SLI/ac review: 109 specs compared

Avg. price:~£130CPU socket:LGA 1151Chipset:Intel Z270Form factor:ATX

ASRock Z270 Killer SLI/ac Review: Compare 109 technical specifications and 2 expert reviews to see how this product ranks in the Motherboards category and whether it is worth buying.

ASRock Z270 Killer SLI/ac
5.8/10

Overall score

Score
5.8/ 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 91% of models
Score components

40%

5.1

Technical score

20%

5.1

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%

5.1

User score

â–¼Worse than 91% of motherboards
7.0

Value for money

Value for money
7.0/ 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 91% of models
Score components

70%

5.8

Overall score

30%

9.8

Price

â–¼Worse than 91%
5.1

Technical score

Technical score
5.1/ 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 71% of models
Score components

19%

5.9

Memory

16%

6.6

Platform

16%

5.4

Storage

15%

4.8

Network

13%

2.8

Ports

8%

3.0

Expansion

8%

5.5

Power & Cooling

5%

6.3

Audio

â–¼Worse than 71%
5.1

Reviews score

Reviews score
5.1/ 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–¼ Worse than 86% of models

5.1

Mark 8.0 is below the typical mark 8.3 of this category, so it cannot lift the score above the technical score

80%

8.3

Average grade

20%

6.9

Popularity

Grades by review (2)
2 reviews: 0 with a printed score, 2 estimated from the review. Reviews count 20% of the overall score.
Ratings from across the web count in the User score, not in this score.
â–¼Worse than 86%
5.1

User score

User score
5.1/ 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 83% of models

5.1

Mark 7.9 is below the typical mark 8.4 of this category, so it cannot lift the score above the technical score

70%

8.0

Rating

30%

7.8

Popularity

â–¼Worse than 83%
?

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-z270-killer-sli-ac
  • asrock-z270-killer-sli-ac
asrock-z270-killer-sli-ac
asrock-z270-killer-sli-ac
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.
Loading category ranking...

Technical Specifications of motherboard ASRock Z270 Killer SLI/ac

Technical score
Technical score
5.1/ 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 71% of models
Score components:

19%

5.9

Memory

16%

6.6

Platform

16%

5.4

Storage

15%

4.8

Network

13%

2.8

Ports

8%

3.0

Expansion

8%

5.5

Power & Cooling

5%

6.3

Audio

5.1
Reviews score
5.1
User score
5.1
List score
?
Value for money
Value for money
7.0/ 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 91% of models
Score components:

70%

5.8

Overall score

30%

9.8

Price

7.0
CPU socket
LGA 1151
This motherboard uses LGA 1151, which is less up-to-date than 70.7% of Motherboards and the same as 13.7% of Motherboards.
CPU platform
Intel
Chipset
Intel Z270
This motherboard uses Intel Z270, which is less capable than 73.5% of Motherboards and as capable as 2.2% 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.
Show more
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
3,733 MT/s
Market range: <2.1k MT/s – >8k MT/s
This motherboard supports memory speeds up to 3,733 MT/s, which is lower than that of 59.2% of motherboards and equal to that of 0.1% of motherboards.
Show more
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
2x PCIe 3.0 x4/SATA
This motherboard offers M.2 slots: 2x PCIe 3.0x4/SATA, which is slower than 67.6% of Motherboards and the same as 3.8% 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
0/1/5/10
This motherboard RAID support: 0/1/5/10, which is more flexible than 32.5% of Motherboards and the same as 67.5% of Motherboards.
NVMe RAID support
yes
This motherboard supports NVMe RAID. 40.2% of motherboards support this feature.
Intel RST support
Show more
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, x8/x8
This motherboard splits its PCIe lanes as x16/x0, x8/x8, which is less generous than 76.4% of Motherboards and the same as 2.9% 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)
6
Market range: <6 – >10
This motherboard has 6 USB ports (rear I/O), which is fewer than 63.8% of motherboards and equal to 32.8% of motherboards.
Total USB ports (including headers)
13
Market range: <11 – >19
This motherboard has 13 USB ports (including headers), which is fewer than 64.8% of motherboards and equal to 7.6% 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
?
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
yes
This motherboard supports Wi-Fi connectivity. 50% of motherboards support this feature.
Wi-Fi version
Wi-Fi 5 (802.11ac)
This motherboard uses Wi-Fi 5 (802.11ac), which is newer than 49.8% of Motherboards and the same as 10.4% of Motherboards.
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.
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
no
This motherboard does not support a headphone amp. 58.8% of motherboards support this feature.
N. of 3.5mm audio jacks
5
Market range: <2 – >6
This motherboard has 5 3.5mm audio jacks, which is more than 50.6% of motherboards and equal to 36.3% of motherboards.
Show more
VRM phases
8
This motherboard has 8 VRM phases, which is fewer than 69.9% of motherboards and equal to 7.1% 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
yes
This motherboard has a pump header. 22.1% of motherboards include this feature.
Pump header max current
1.5 A
Market range: <0 A – >3 A
This motherboard supports up to 1.5 A on the pump header, which is lower than that of 54.9% of motherboards and equal to that of 1.5% of motherboards.
Show more

ASRock Z270 Killer SLI/ac 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
  • 1 more USB 2.0 headers
    This motherboard has more USB 2.0 headers than the average motherboard (3 vs 2). The average motherboard has 2 USB 2.0 header/s.
    3 vs 2
  • 1 more USB4 or Thunderbolt headers
    This motherboard has more USB4 or Thunderbolt headers than the average motherboard (1 vs 0). The average motherboard has 0 USB4 or Thunderbolt header/s.
    1 vs 0
  • Supports Bluetooth
    This motherboard supports Bluetooth, while the average motherboard does not. 49% of motherboards support Bluetooth.
  • 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
  • 2 more 3.5mm audio jacks
    This motherboard has more 3.5mm audio jacks than the average motherboard (5 vs 3). The average motherboard has 3 3.5mm audio jacks.
    5 vs 3
  • 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 2.0 headers
    This motherboard has more USB 2.0 headers than the average motherboard (3 vs 2). The average motherboard has 2 USB 2.0 header/s.
    3 vs 2
  • 1 more USB4 or Thunderbolt headers
    This motherboard has more USB4 or Thunderbolt headers than the average motherboard (1 vs 0). The average motherboard has 0 USB4 or Thunderbolt header/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
  • Supports Bluetooth
    This motherboard supports Bluetooth, while the average motherboard does not. 49% of motherboards support Bluetooth.
  • 2 more 3.5mm audio jacks
    This motherboard has more 3.5mm audio jacks than the average motherboard (5 vs 3). The average motherboard has 3 3.5mm audio jacks.
    5 vs 3
  • Includes onboard RGB lighting
    This motherboard has onboard RGB lighting, while the average motherboard does not. 50% of motherboards include onboard RGB lighting.
    lighting on the chipset heatsink
  • More basic chipset
    This motherboard uses a more basic chipset than the average motherboard (Intel Z270 vs Intel B860).
    Intel Z270 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 (2x PCIe 3x4/SATA vs 1x PCIe 5x4, 2x PCIe 4x4).
    2x PCIe 3.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • 2 fewer rear USB ports
    This motherboard has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.
    6 vs 8
  • 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
  • 30.1% lower review score
    Reviews score
    5.1/ 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–¼ Worse than 86% of models

    5.1

    Mark 8.0 is below the typical mark 8.3 of this category, so it cannot lift the score above the technical score

    80%

    8.3

    Average grade

    20%

    6.9

    Popularity

    Grades by review (2)
    2 reviews: 0 with a printed score, 2 estimated from the review. Reviews count 20% of the overall score.
    Ratings from across the web count in the User score, not in this score.
    5.1 vs 7.3
  • No BIOS flashback support
    This motherboard does not support BIOS flashback, while the average motherboard does. 51.3% of motherboards support BIOS flashback.
  • No PCIe bifurcation support
    This motherboard does not support PCIe bifurcation, while the average motherboard does. 59.7% of motherboards support PCIe bifurcation.
  • 30.1% lower review score
    Reviews score
    5.1/ 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–¼ Worse than 86% of models

    5.1

    Mark 8.0 is below the typical mark 8.3 of this category, so it cannot lift the score above the technical score

    80%

    8.3

    Average grade

    20%

    6.9

    Popularity

    Grades by review (2)
    2 reviews: 0 with a printed score, 2 estimated from the review. Reviews count 20% of the overall score.
    Ratings from across the web count in the User score, not in this score.
    5.1 vs 7.3
  • 31.1% lower user score
    User score
    5.1/ 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 83% of models

    5.1

    Mark 7.9 is below the typical mark 8.4 of this category, so it cannot lift the score above the technical score

    70%

    8.0

    Rating

    30%

    7.8

    Popularity

    5.1 vs 7.4
  • 9.8% worse value for money
    ASRock Z270 Killer SLI/ac has worse value for money than the average motherboard (7.01 vs 7.7).
    7.01 vs 7.7
  • More basic chipset
    This motherboard uses a more basic chipset than the average motherboard (Intel Z270 vs Intel B860).
    Intel Z270 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.
  • Not ready for Windows 11
    This motherboard is not ready for Windows 11, while the average motherboard is. 77.4% of motherboards are ready for Windows 11.
  • 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, Windows app, internet flash vs UEFI utility, flashback, Windows app).
    UEFI utility, Windows app, internet flash vs UEFI utility, flashback, Windows app
  • Narrower Windows support
    This motherboard supports a narrower range of Windows versions than the average motherboard (Windows 10, Windows 8.1, Windows 8, Windows 7 vs Windows 11, Windows 10).
    Windows 10, Windows 8.1, Windows 8, Windows 7 vs Windows 11, Windows 10
  • 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
  • 20.6% lower maximum RAM speed
    This motherboard has a lower maximum RAM speed than the average motherboard (3,733 MT/s vs 4,699.5 MT/s). The average motherboard supports RAM speed of 4,699.5 MT/s.
    3,733 MT/s vs 4,699.5 MT/s
  • 25.3% lower overclocked RAM speed
    This motherboard has a lower overclocked RAM speed than the average motherboard (3,733 MT/s vs 5,000 MT/s). The average motherboard supports overclocked RAM speed of 5,000 MT/s.
    3,733 MT/s vs 5,000 MT/s
  • Slower NVMe storage slots
    This motherboard has slower M.2 slots than the average motherboard (2x PCIe 3x4/SATA vs 1x PCIe 5x4, 2x PCIe 4x4).
    2x PCIe 3.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • No PCIe bifurcation support
    This motherboard does not support PCIe bifurcation, while the average motherboard does. 59.7% of motherboards support PCIe bifurcation.
  • Less generous lane split
    This motherboard splits its PCIe lanes less generously than the average motherboard (x16/x0, x8/x8 vs x16/x0/x4, x8/x8/x4).
    x16/x0, x8/x8 vs x16/x0/x4, x8/x8/x4
  • 2 fewer rear USB ports
    This motherboard has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.
    6 vs 8
  • 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
  • 2 fewer total USB connections
    This motherboard has fewer total USB connections than the average motherboard (13 vs 15). The average motherboard has 15 total USB connections.
    13 vs 15
  • 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
  • 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
  • Less recent Bluetooth version
    This motherboard has a less recent Bluetooth version than the average motherboard (4 vs 5.4).
    4 vs 5.4
  • 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
  • No headphone amp support
    This motherboard does not support a headphone amp, while the average motherboard does. 58.8% of motherboards support a headphone amp.
  • 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
  • 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
  • Fewer VRM phases
    This motherboard has fewer VRM phases than the average motherboard (8 vs 10). The average motherboard has 10 VRM phase/s.
    8 vs 10
  • 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

Video reviews

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

8.0
Matt's Paddock
≈ estimated
18/01/2017
Unboxing and first look · layout and feature overview
Verdict
ASRock Z270 Killer SLI/ac is a fairly balanced budget motherboard that offers SLI support and overclocking at its price.
Not graded
Not graded
Overview video

Expert reviews

In-depth analysis and verdict from leading tech publications

8.0
tomshardware.com
≈ estimated
29/03/2017
Lab review · Wi-Fi motherboard
Verdict
The ASRock Z270 Killer SLI/ac is a plain ATX board with built-in Wi-Fi and Bluetooth and strong memory overclocking, suiting wireless builders who skip extras.
8.0
tomshw.it
≈ estimated
13/06/2017
Lab comparison · Overclock and power
Verdict
The ASRock Z270 Killer SLI/ac performs almost the same as its rivals, so its built-in Wi-Fi and Bluetooth tip the balance.

Third-party reviews

What customers like about ASRock Z270 Killer SLI/ac

  • Excellent price-to-performance ratio for a Z270 chipset board
  • Includes onboard 802.11ac Wi-Fi and Bluetooth connectivity
  • Stylish black-and-white aesthetic with Aura RGB lighting
  • Dual Ultra M.2 slots for high-speed NVMe storage
  • Features reinforced 'Steel Slots' for heavier graphics cards
  • Comes with a high-bandwidth (HB) SLI bridge included in the box
  • Intuitive and user-friendly BIOS interface

What customers don't like about ASRock Z270 Killer SLI/ac

  • Subpar CPU overclocking performance compared to higher-end boards
  • Narrower than standard ATX width, meaning it may not reach all case standoffs
  • RGB lighting color accuracy is reported to be off (e.g., white looks blueish)
  • Limited number of USB 3.0/3.1 ports on the rear I/O
  • Onboard audio (Realtek ALC892) is entry-level and may lack depth for enthusiasts
  • Lack of a dedicated 'Clear CMOS' button or dual BIOS for recovery

Verdict

The ASRock Z270 Killer SLI/ac is a mainstream ATX motherboard built on the Intel Z270 chipset, supporting 6th and 7th Generation Intel Core processors (LGA 1151). Key specifications include four DDR4 DIMM slots supporting up to 64GB at 3733MHz+ (OC), dual Ultra M.2 slots (PCIe Gen3 x4), and dual PCIe 3.0 x16 slots with steel reinforcement for NVIDIA Quad SLI and AMD Quad CrossFireX. It is distinguished by integrated 802.11ac Wi-Fi, Bluetooth 4.0, an Intel Gigabit LAN controller, and ASRock's AURA RGB lighting. Main pros include its high value-to-price ratio, stable Intel networking, and versatile storage options. Notable cons include a modest 8-phase VRM that may limit extreme overclocking, the use of the older Realtek ALC892 audio codec, and a slightly narrow PCB that does not utilize all standard ATX mounting points.

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