OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Motherboards Methodology v1.0
Motherboards Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are evaluated mathematically under Frontumo Motherboards Methodology v1.0 using verified laboratory benchmarks, technical specifications, and authentic consumer ratings with 0% commercial bias.
Explore Motherboards Methodology v1.0

ASRock Z370 Killer SLI AC Review | 107 Data compared

Avg. price:~£120CPU socket:LGA 1151Chipset:Intel Z370Form factor:ATX

ASRock Z370 Killer SLI AC Review: Compare 107 technical specifications and user reviews to see how this product ranks in the Motherboards category and whether it is worth buying.

5.7

Overall score

Score
5.7/ 10
✕
What it is
An overall evaluation of the motherboard's quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best motherboards on the market.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 68% of models
Score components

90%

5.6

Technical score

10%

6.9

User score

â–¼Worse than 68% of motherboards
5.6

Technical score

Technical score
5.6/ 10
✕
What it is
An assessment of technical performance for products in the Motherboards category across these key areas: Platform & Features, Memory, Storage, Expansion, Ports & USB, Network, Audio, Power & Cooling.
When it matters
When you want to compare motherboards based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 67% of models
Score components

19%

6.0

Memory

16%

7.3

Platform & Features

16%

6.4

Storage

15%

5.1

Network

13%

2.8

Ports & USB

8%

4.7

Expansion

8%

5.8

Power & Cooling

5%

6.3

Audio

â–¼Worse than 67% of motherboards
6.9

User score

User score
6.9/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the motherboard.
When it matters
When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 92% of models
Score components

70%

7.4

User ratings

30%

5.6

Number of reviews

Based on 35 buyer reviews from online shops.
Read buyer reviews on Amazon →
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
â–¼Worse than 92% of motherboards
  • No image
No image

Best prices

    N/A~ £120

Best rankings

Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of motherboard ASRock Z370 Killer SLI AC

Technical score
Technical score
5.6/ 10
✕
What it is
An assessment of technical performance for products in the Motherboards category across these key areas: Platform & Features, Memory, Storage, Expansion, Ports & USB, Network, Audio, Power & Cooling.
When it matters
When you want to compare motherboards based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 67% of models
Score components:

19%

6.0

Memory

16%

7.3

Platform & Features

16%

6.4

Storage

15%

5.1

Network

13%

2.8

Ports & USB

8%

4.7

Expansion

8%

5.8

Power & Cooling

5%

6.3

Audio

5.6
User score
User score
6.9/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the motherboard.
When it matters
When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 92% of models
Score components

70%

7.4

User ratings

30%

5.6

Number of reviews

Based on 35 buyer reviews from online shops.
Read buyer reviews on Amazon →
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
6.9
Popularity
Popularity
5.6/ 10
✕
What it is
An indicator based on the number of reviews received by the motherboard.
When it matters
When you prefer a motherboard that has already been bought and reviewed by many other users.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 58% of models
Popularity:
ASRock Z370 Killer SLI AC has a popularity score of 5.6 points, which is lower than that of 56.9% of products in this category.
5.6
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 67% of models
Score components:

60%

5.7

Overall score

40%

9.9

Price

7.0
Brand name
Asrock
CPU socket
LGA 1151
CPU socket
LGA 1151
â–¼ Worse than 70% of models
This motherboard uses the LGA 1151 CPU socket, which is less advanced than that of 70.4% of motherboards and equal to that of 13.8% of motherboards.
300-series / v2 revision.
CPU platform
Intel
CPU platform
Intel
â–² Better than 32% of models
This motherboard is built for the Intel CPU platform, which is more versatile than that of 31.6% of motherboards and equal to that of 68.4% of motherboards.
Chipset
Intel Z370
Chipset
Intel Z370
â–¼ Worse than 62% of models
This motherboard uses the Intel Z370 chipset, which is less advanced than that of 62.2% of motherboards and equal to that of 1.8% of motherboards.
Form factor
ATX
Form factor
ATX
â–² Better than 48% of models
This motherboard has the ATX form factor, which is more versatile than that of 47.8% of motherboards and equal to that of 52.2% of motherboards.
Show more
DDR memory version
DDR4
DDR memory version
DDR4
â–¼ Worse than 36% of models
This motherboard uses DDR4 memory, which is newer than that of 13.5% of motherboards and equal to that of 50.8% of motherboards.
Memory slots
4
Memory slots
4
â–² Better than 21% of models
Market range: <2 – >4
This motherboard has 4 Memory slots, which is more than 21.5% of motherboards and equal to 72.5% of motherboards.
Maximum memory capacity
64 GB
Maximum memory capacity
64 GB
â–¼ Worse than 63% of models
Market range: <32 GB – >256 GB
This motherboard supports up to 64 GB of memory, which is less than 62.6% of motherboards and equal to 24.3% of motherboards.
Memory channels
2
Memory channels
2
â–¼ Worse than 7% of models
This motherboard supports 2 memory channels, which is more than 0.2% of motherboards and equal to 92.6% of motherboards.
Maximum RAM speed
4,266 MT/s
Maximum RAM speed
4,266 MT/s
â–¼ Worse than 55% of models
Market range: <2k MT/s – >8k MT/s
This motherboard supports memory speeds up to 4,266 MT/s, which is lower than that of 54.7% of motherboards and equal to that of 0.8% of motherboards.
Show more
N. of M.2 sockets
2
N. of M.2 sockets
2
â–¼ Worse than 35% of models
Market range: <0 – >4
This motherboard has 2 M.2 sockets, which is more than 30.8% of motherboards and equal to 34.4% of motherboards.
M.2 slot interface per slot
2x PCIe 3.0 x4/SATA
M.2 slot interface per slot
2x PCIe 3.0 x4/SATA
â–¼ Worse than 68% of models
This motherboard offers 2x PCIe 3.0x4/SATA for M.2 slot interfaces, which is slower than that of 67.6% of motherboards and equal to that of 3.8% of motherboards.
N. of SATA 3 connectors
6
N. of SATA 3 connectors
6
â–² Better than 53% of models
Market range: <4 – >8
This motherboard has 6 SATA 3 connectors, which is more than 52.6% of motherboards and equal to 32.1% of motherboards.
Supported RAID levels
0/1/5/10
Supported RAID levels
0/1/5/10
â–² Better than 32% of models
This motherboard supports RAID levels 0/1/5/10, which is broader than 32% of motherboards and equal to 68% of motherboards.
NVMe RAID support
yes
NVMe RAID support
yes
â–² Better than 40% of models
This motherboard supports NVMe RAID. 40.3% of motherboards support this feature.
Show more
N. of PCIe 5.0 x16 slots
0
N. of PCIe 5.0 x16 slots
0
â–¼ Worse than 31% of models
Market range: <0 – >1
This motherboard has 0 PCIe 5.0x16 slots, which is fewer than 31.5% of motherboards and equal to 68.5% of motherboards.
N. of PCIe 4.0 x16 slots
0
N. of PCIe 4.0 x16 slots
0
â–¼ Worse than 45% of models
Market range: <0 – >1
This motherboard has 0 PCIe 4.0x16 slots, which is fewer than 44.5% of motherboards and equal to 55.5% of motherboards.
N. of PCIe 3.0 x16 slots
2
N. of PCIe 3.0 x16 slots
2
â–² Better than 67% of models
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
PCIe slot electrical configuration
x16/x0, x8/x8
â–¼ Worse than 76% of models
This motherboard uses x16/x0, x8/x8 for PCIe slot electrical configuration, which is less flexible than that of 76.4% of motherboards and equal to that of 2.9% of motherboards.
PCIe bifurcation support
yes
PCIe bifurcation support
yes
â–² Better than 40% of models
This motherboard supports PCIe bifurcation. 40.4% of motherboards support this feature.
x8/x8.
Show more
Total USB ports (rear I/O)
6
Total USB ports (rear I/O)
6
â–¼ Worse than 64% of models
Market range: <6 – >10
This motherboard has 6 USB ports (rear I/O), which is fewer than 64.3% of motherboards and equal to 32.7% of motherboards.
Total USB ports (including headers)
12
Total USB ports (including headers)
12
â–¼ Worse than 73% of models
Market range: <11 – >19
This motherboard has 12 USB ports (including headers), which is fewer than 72.6% of motherboards and equal to 16.3% of motherboards.
Total USB-C ports (rear I/O)
1
Total USB-C ports (rear I/O)
1
â–² Better than 35% of models
Market range: <0 – >2
This motherboard has 1 USB-C ports (rear I/O), which is more than 35.5% of motherboards and equal to 48.7% of motherboards.
Total USB-C ports (including headers)
2
Total USB-C ports (including headers)
2
â–² Better than 52% of models
Market range: <0 – >3
This motherboard has 2 USB-C ports (including headers), which is more than 51.7% of motherboards and equal to 32.9% of motherboards.
N. of USB 3.2 Gen2x2 ports (USB-C)
0
N. of USB 3.2 Gen2x2 ports (USB-C)
0
â–¼ Worse than 18% of models
Market range: <0 – >1
This motherboard has 0 USB 3.2 Gen2x2 ports (USB-C), which is fewer than 18.3% of motherboards and equal to 81.7% of motherboards.
Show more
LAN speed
1 Gbps
LAN speed
1 Gbps
â–¼ Worse than 51% of models
Market range: <1 Gbps – >2.5 Gbps
This motherboard supports LAN speeds up to 1 Gbps, which is lower than that of 50.8% of motherboards and equal to that of 49.2% of motherboards.
LAN controller
Intel I219-V
LAN controller
Intel I219-V
â–² Better than 58% of models
This motherboard uses the Intel I219-V LAN controller, which is more advanced than that of 58.2% of motherboards and equal to that of 10% of motherboards.
N. of RJ45 ports
1
N. of RJ45 ports
1
â–¼ Worse than 14% of models
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
Wi-Fi connectivity
yes
â–² Better than 50% of models
This motherboard supports Wi-Fi connectivity. 50% of motherboards support this feature.
Wi-Fi version
Wi-Fi 5 (802.11ac)
Wi-Fi version
Wi-Fi 5 (802.11ac)
â–² Better than 50% of models
This motherboard supports Wi-Fi 5 (802.11ac), which is newer than that of 49.7% of motherboards and equal to that of 10.7% of motherboards.
Show more
Audio codec
Realtek ALC892
Audio codec
Realtek ALC892
â–¼ Worse than 80% of models
This motherboard uses the Realtek ALC892 audio codec, which is less advanced than that of 79.6% of motherboards and equal to that of 9% of motherboards.
Audio channels
7.1
Audio channels
7.1
â–² Better than 5% of models
This motherboard offers 7.1 audio channels, which is more than 4.9% of motherboards and equal to 95.1% of motherboards.
Audio SNR
95 dB
Audio SNR
95 dB
â–¼ Worse than 82% of models
Market range: <95 dB – >120 dB
This motherboard has an audio SNR of 95 dB, which is lower than that of 82.5% of motherboards and equal to that of 10.6% of motherboards.
Headphone amp support
no
Headphone amp support
no
â–¼ Worse than 59% of models
This motherboard does not support a headphone amp. 59.3% of motherboards support this feature.
N. of 3.5mm audio jacks
6
N. of 3.5mm audio jacks
6
â–² Better than 87% of models
Market range: <2 – >6
This motherboard has 6 3.5mm audio jacks, which is more than 86.7% of motherboards and equal to 13.3% of motherboards.
Show more
VRM phases
10
VRM phases
10
â–¼ Worse than 52% of models
This motherboard has 10 VRM phases, which is fewer than 52.5% of motherboards and equal to 3.7% of motherboards.
N. of CPU power connectors
1
N. of CPU power connectors
1
â–¼ Worse than 45% of models
Market range: <1 – >2
This motherboard has 1 CPU power connectors, which is fewer than 45.5% of motherboards and equal to 54.5% of motherboards.
N. of fan headers
4
N. of fan headers
4
â–¼ Worse than 65% of models
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
Pump header
yes
â–² Better than 22% of models
This motherboard has a pump header. 21.9% of motherboards include this feature.
Pump header max current
1.5 A
Pump header max current
1.5 A
â–¼ Worse than 55% of models
Market range: <0 A – >3 A
This motherboard supports up to 1.5 A on the pump header, which is lower than that of 54.6% of motherboards and equal to that of 1.5% of motherboards.
Show more

ASRock Z370 Killer SLI AC vs the average motherboard

246810TotalPlatform & FeaturesMemoryStorageExpansionPorts & USBNetworkAudioPower & Cooling
  • More advanced LAN controller
    LAN controller
    Intel I219-V
    â–² Better than 58% of models
    This motherboard has better LAN controller than the average motherboard (Intel I219-V vs Killer + Intel + Realtek). The average motherboard uses Killer + Intel + Realtek LAN controller.
    Intel I219-V vs Killer + Intel + Realtek
  • 3 more PCIe x1 slots
    N. of PCIe x1 slots
    4
    ★ Better than 95% of models
    Market range: <0 – >3
    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 USB4 or Thunderbolt headers
    N. of USB4 / Thunderbolt headers (USB-C)
    1
    â–² Better than 66% of models
    Market range: <0 – >1
    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.
    supports Thunderbolt add-in card
    1 vs 0
  • Supports Bluetooth
    Bluetooth connectivity
    yes
    â–² Better than 51% of models
    This motherboard supports Bluetooth, while the average motherboard does not. 48.9% of motherboards support Bluetooth.
  • 1 more USB 3.2 Gen1 ports
    N. of USB 3.2 Gen1 ports (USB-A)
    5
    â–² Better than 88% of models
    Market range: <0 – >6
    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
  • 1 more DVI outputs
    N. of DVI outputs
    1
    â–² Better than 78% of models
    Market range: <0 – >1
    This motherboard has more DVI outputs than the average motherboard (1 vs 0). The average motherboard has 0 DVI outputs.
    1 vs 0
  • 2 more SATA 3 connectors
    N. of SATA 3 connectors
    6
    â–² Better than 53% of models
    Market range: <4 – >8
    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 total USB-C connections
    Total USB-C ports (including headers)
    2
    â–² Better than 52% of models
    Market range: <0 – >3
    This motherboard has more total USB-C connections than the average motherboard (2 vs 1). The average motherboard has 1 total USB-C connections.
    2 vs 1
  • 2 more SATA 3 connectors
    N. of SATA 3 connectors
    6
    â–² Better than 53% of models
    Market range: <4 – >8
    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
    N. of PCIe x1 slots
    4
    ★ Better than 95% of models
    Market range: <0 – >3
    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 USB4 or Thunderbolt headers
    N. of USB4 / Thunderbolt headers (USB-C)
    1
    â–² Better than 66% of models
    Market range: <0 – >1
    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.
    supports Thunderbolt add-in card
    1 vs 0
  • 1 more DVI outputs
    N. of DVI outputs
    1
    â–² Better than 78% of models
    Market range: <0 – >1
    This motherboard has more DVI outputs than the average motherboard (1 vs 0). The average motherboard has 0 DVI outputs.
    1 vs 0
  • 1 more USB 3.2 Gen1 ports
    N. of USB 3.2 Gen1 ports (USB-A)
    5
    â–² Better than 88% of models
    Market range: <0 – >6
    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
  • 1 more total USB-C connections
    Total USB-C ports (including headers)
    2
    â–² Better than 52% of models
    Market range: <0 – >3
    This motherboard has more total USB-C connections than the average motherboard (2 vs 1). The average motherboard has 1 total USB-C connections.
    2 vs 1
  • More advanced LAN controller
    LAN controller
    Intel I219-V
    â–² Better than 58% of models
    This motherboard has better LAN controller than the average motherboard (Intel I219-V vs Killer + Intel + Realtek). The average motherboard uses Killer + Intel + Realtek LAN controller.
    Intel I219-V vs Killer + Intel + Realtek
  • Supports Bluetooth
    Bluetooth connectivity
    yes
    â–² Better than 51% of models
    This motherboard supports Bluetooth, while the average motherboard does not. 48.9% of motherboards support Bluetooth.
  • 1 more 3.5mm audio jacks
    N. of 3.5mm audio jacks
    6
    â–² Better than 87% of models
    Market range: <2 – >6
    This motherboard has more 3.5mm audio jacks than the average motherboard (6 vs 5). The average motherboard has 5 3.5mm audio jacks.
    6 vs 5
  • 20 mm narrower
    Width
    224 mm
    â–² Better than 86% of models
    Market range: <170 mm – >320 mm
    This motherboard is narrower than the average motherboard (224 mm vs 244 mm). The average motherboard width is 244 mm.
    224 mm vs 244 mm
  • 60% lower LAN speed
    LAN speed
    1 Gbps
    â–¼ Worse than 51% of models
    Market range: <1 Gbps – >2.5 Gbps
    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
  • More basic motherboard chipset
    Chipset
    Intel Z370
    â–¼ Worse than 62% of models
    This motherboard has more basic motherboard chipset than the average motherboard (Intel Z370 vs Intel B860). The average motherboard uses Intel B860 chipset.
    Intel Z370 vs Intel B860
  • Slower M.2 slot interfaces
    M.2 slot interface per slot
    2x PCIe 3.0 x4/SATA
    â–¼ Worse than 68% of models
    This motherboard has slower M.2 slot interfaces than the average motherboard (2x PCIe 3x4/SATA vs 1x PCIe 5x4, 2x PCIe 4x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.
    2x PCIe 3.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • 2 fewer rear USB ports
    Total USB ports (rear I/O)
    6
    â–¼ Worse than 64% of models
    Market range: <6 – >10
    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
    Maximum memory capacity
    64 GB
    â–¼ Worse than 63% of models
    Market range: <32 GB – >256 GB
    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 BIOS flashback support
    BIOS flashback
    no
    â–¼ Worse than 51% of models
    This motherboard does not support BIOS flashback, while the average motherboard does. 50.9% of motherboards support BIOS flashback.
  • 20 dB lower audio SNR
    Audio SNR
    95 dB
    â–¼ Worse than 82% of models
    Market range: <95 dB – >120 dB
    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
  • 3 fewer total USB connections
    Total USB ports (including headers)
    12
    â–¼ Worse than 73% of models
    Market range: <11 – >19
    This motherboard has fewer total USB connections than the average motherboard (12 vs 15). The average motherboard has 15 total USB connections.
    12 vs 15
  • 16.6% lower user score
    User score
    6.9/ 10
    ✕
    What it is
    A rating that combines user reviews and the total number of reviews received by the motherboard.
    When it matters
    When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.
    Score distribution
    â–¼
    â–¼
    <55-66-77-88-99-10
    ASRock Z370 Killer SLI AC
    the average motherboard
    ASRock Z370 Killer SLI AC has a lower user score than the average motherboard (6.86 vs 8.000).
    6.86 vs 8
  • 6.1% worse value for money
    ASRock Z370 Killer SLI AC has worse value for money than the average motherboard (6.99 vs 7.4).
    6.99 vs 7.41
  • More basic motherboard chipset
    Chipset
    Intel Z370
    â–¼ Worse than 62% of models
    This motherboard has more basic motherboard chipset than the average motherboard (Intel Z370 vs Intel B860). The average motherboard uses Intel B860 chipset.
    Intel Z370 vs Intel B860
  • No BIOS flashback support
    BIOS flashback
    no
    â–¼ Worse than 51% of models
    This motherboard does not support BIOS flashback, while the average motherboard does. 50.9% of motherboards support BIOS flashback.
  • No debug LED indicators
    Debug LED indicators
    no
    â–¼ Worse than 79% of models
    This motherboard does not have debug LED indicators, while the average motherboard does. 78.7% of motherboards include debug LED indicators.
  • Fewer BIOS update options
    BIOS update methods
    UEFI utility, Windows app, DOS
    â–¼ Worse than 79% of models
    This motherboard has fewer BIOS update options than the average motherboard (UEFI utility, Windows app, DOS vs UEFI utility, flashback, Windows app). The average motherboard offers UEFI utility, flashback, Windows app BIOS update methods.
    UEFI utility, Windows app, DOS vs UEFI utility, flashback, Windows app
  • 4 older release date
    Release date
    2017
    â–¼ Worse than 72% of models
    Market range: <2k – >2k
    This motherboard is older than the average motherboard (2017 vs 2021). The average motherboard was released in 2021.
    September 2017
    2017 vs 2021
  • 50% less maximum memory capacity
    Maximum memory capacity
    64 GB
    â–¼ Worse than 63% of models
    Market range: <32 GB – >256 GB
    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
  • Slower M.2 slot interfaces
    M.2 slot interface per slot
    2x PCIe 3.0 x4/SATA
    â–¼ Worse than 68% of models
    This motherboard has slower M.2 slot interfaces than the average motherboard (2x PCIe 3x4/SATA vs 1x PCIe 5x4, 2x PCIe 4x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.
    2x PCIe 3.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • Less flexible PCIe lane configuration
    PCIe slot electrical configuration
    x16/x0, x8/x8
    â–¼ Worse than 76% of models
    This motherboard has less flexible PCIe lane configuration than the average motherboard (x16/x0, x8/x8 vs x16/x0/x4, x8/x8/x4). The average motherboard uses x16/x0/x4, x8/x8/x4 PCIe slot lane configuration.
    x16/x0, x8/x8 vs x16/x0/x4, x8/x8/x4
  • 2 fewer rear USB ports
    Total USB ports (rear I/O)
    6
    â–¼ Worse than 64% of models
    Market range: <6 – >10
    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
  • 3 fewer total USB connections
    Total USB ports (including headers)
    12
    â–¼ Worse than 73% of models
    Market range: <11 – >19
    This motherboard has fewer total USB connections than the average motherboard (12 vs 15). The average motherboard has 15 total USB connections.
    12 vs 15
  • 1 fewer USB 3.2 Gen2 ports
    N. of USB 3.2 Gen2 ports (USB-A)
    0
    â–¼ Worse than 63% of models
    Market range: <0 – >4
    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
    N. of DisplayPort outputs
    0
    â–¼ Worse than 54% of models
    Market range: <0 – >1
    This motherboard has fewer DisplayPort outputs than the average motherboard (0 vs 1). The average motherboard has 1 DisplayPort outputs.
    0 vs 1
  • Older HDMI version
    HDMI version
    1.4
    â–¼ Worse than 55% of models
    This motherboard has older HDMI version than the average motherboard (1.4 vs 2.1). The average motherboard supports HDMI 2.1.
    1.4 vs 2.1
  • 2 fewer USB 2.0 ports
    N. of USB 2.0 ports
    0
    â–¼ Worse than 81% of models
    Market range: <0 – >4
    This motherboard has fewer USB 2.0 ports than the average motherboard (0 vs 2). The average motherboard has 2 USB 2.0 port/s.
    0 vs 2
  • 60% lower LAN speed
    LAN speed
    1 Gbps
    â–¼ Worse than 51% of models
    Market range: <1 Gbps – >2.5 Gbps
    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
  • Older Bluetooth version
    Bluetooth version
    4.2
    â–² Better than 54% of models
    This motherboard has older Bluetooth version than the average motherboard (4.2 vs 5.4). The average motherboard supports Bluetooth 5.4.
    4.2 vs 5.4
  • 20 dB lower audio SNR
    Audio SNR
    95 dB
    â–¼ Worse than 82% of models
    Market range: <95 dB – >120 dB
    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
    Headphone amp support
    no
    â–¼ Worse than 59% of models
    This motherboard does not support a headphone amp, while the average motherboard does. 59.2% of motherboards support a headphone amp.
  • More basic audio codec
    Audio codec
    Realtek ALC892
    â–¼ Worse than 80% of models
    This motherboard has more basic audio codec than the average motherboard (Realtek ALC892 vs Realtek ALC897). The average motherboard uses Realtek ALC897 audio codec.
    Realtek ALC892 vs Realtek ALC897
  • 2 fewer ARGB headers
    N. of ARGB headers (3-pin)
    0
    â–¼ Worse than 62% of models
    Market range: <0 – >3
    This motherboard has fewer ARGB headers than the average motherboard (0 vs 2). The average motherboard has 2 ARGB header/s.
    0 vs 2
  • 1.5 fewer fan headers
    N. of fan headers
    4
    â–¼ Worse than 65% of models
    Market range: <3 – >8
    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

Third-party reviews

Based on 35 buyer reviews from online shops.
Reviews last updated: May 2026 · How we calculate this
Read buyer reviews on Amazon →

What we like about ASRock Z370 Killer SLI AC

  • Excellent value for a Z370 chipset motherboard, often cited as one of the most affordable options in its class
  • Comprehensive feature set including built-in 802.11ac Wi-Fi, Bluetooth 4.2, and dual M.2 slots
  • Robust physical build quality with 'Steel Slot' reinforced PCIe lanes to prevent damage from heavy graphics cards
  • User-friendly BIOS interface that simplifies navigation and basic configuration
  • Effective 10-phase digital power delivery for stable performance with 8th and 9th Gen Intel processors
  • Aesthetic appeal featuring a neutral black and gray design that fits most builds, complemented by subtle RGB lighting

What we don't like about ASRock Z370 Killer SLI AC

  • Subpar overclocking performance compared to higher-end boards; often requires higher voltages to achieve stable clocks
  • Lack of 'enthusiast' convenience features such as onboard power/reset buttons or diagnostic POST code LEDs
  • Difficulties obtaining official support or BIOS updates for specific OEM/custom versions of the board
  • Minor board layout quirks, such as the 3/4 ATX width which leaves the right edge unsupported by standard case standoffs
  • Onboard audio solution (Realtek ALC892) is considered basic compared to the higher-end ALC1220 found on slightly more expensive models

Verdict

The ASRock Z370 Killer SLI/ac is an ATX motherboard built for 8th Generation Intel Core processors (Socket 1151) featuring a 10-phase digital PWM design and support for dual-channel DDR4 memory overclocked up to 4266MHz+. Main characteristics include dual Ultra M.2 slots (PCIe Gen3 x4 & SATA3), built-in Intel 802.11ac Wi-Fi with Bluetooth 4.2, and multi-GPU support for NVIDIA Quad SLI and AMD 3-Way CrossFireX via reinforced steel PCIe slots. Its primary pros are its excellent value-to-performance ratio, robust overclocking stability for K-series CPUs, and inclusion of a front-panel USB 3.1 Gen1 Type-C header. However, notable cons include a lack of onboard diagnostic LEDs or physical power/reset buttons, limited fan headers, and the use of the older Realtek ALC892 audio codec instead of high-end alternatives.

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