OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Motherboards Methodology v1.0
Motherboards Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Motherboards Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
Explore Motherboards Methodology v1.0

ASRock Fatal1ty X99X Killer Review | 107 Data compared

Avg. price:~£200CPU socket:LGA 2011-3Chipset:Intel X99Form factor:ATX

ASRock Fatal1ty X99X Killer Review: Compare 107 technical specifications and user reviews to see how this product ranks in the Motherboards category and whether it is worth buying.

ASRock Fatal1ty X99X Killer
6.0/10

Overall score

Score
6.0/ 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 61% of models
Score components

90%

6.0

Technical score

10%

6.6

User score

â–¼Worse than 61% of motherboards
7.1

Value for money

Value for money
7.1/ 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 64% of models
Score components

70%

6.0

Overall score

30%

9.5

Price

â–¼Worse than 64%
6.0

Technical score

Technical score
6.0/ 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 59% of models
Score components

19%

8.8

Memory

16%

7.2

Platform & Features

16%

4.7

Storage

15%

3.6

Network

13%

4.1

Ports & USB

8%

5.2

Expansion

8%

5.9

Power & Cooling

5%

8.7

Audio

â–¼Worse than 59%
6.6

User score

User score
6.6/ 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 94% of models
Score components

70%

7.8

User ratings

30%

3.8

Number of reviews

Based on ratings from across the web.
â–¼Worse than 94%
  • asrock-fatal1ty-x99x-killer
asrock-fatal1ty-x99x-killer
Best prices
*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 Fatal1ty X99X Killer

Technical score
Technical score
6.0/ 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 59% of models
Score components:

19%

8.8

Memory

16%

7.2

Platform & Features

16%

4.7

Storage

15%

3.6

Network

13%

4.1

Ports & USB

8%

5.2

Expansion

8%

5.9

Power & Cooling

5%

8.7

Audio

6.0
User score
User score
6.6/ 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 94% of models
Score components

70%

7.8

User ratings

30%

3.8

Number of reviews

Based on ratings from across the web.
6.6
Popularity
Popularity
3.8/ 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 72% of models
Popularity:
ASRock Fatal1ty X99X Killer has a popularity score of 3.8 points, which is lower than that of 70.8% of products in this category.
3.8
Value for money
Value for money
7.1/ 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 64% of models
Score components:

70%

6.0

Overall score

30%

9.5

Price

7.1
Brand name
Asrock
CPU socket
LGA 2011-3
This motherboard uses the LGA 2011-3 CPU socket, which is less advanced than that of 84.2% of motherboards and equal to that of 2.5% of motherboards.
CPU platform
Intel
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 X99
This motherboard uses the Intel X99 chipset, which is less advanced than that of 67.4% of motherboards and equal to that of 2.4% of motherboards.
Form factor
ATX
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
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
8
Market range: <2 – >4
This motherboard has 8 Memory slots, which is more than 94% of motherboards and equal to 5.7% of motherboards.
Maximum memory capacity
256 GB
Market range: <32 GB – >256 GB
This motherboard supports up to 256 GB of memory, which is more than 82.9% of motherboards and equal to 16.4% of motherboards.
higher limit with Xeon CPU
Memory channels
4
This motherboard supports 4 memory channels, which is more than 92.9% of motherboards and equal to 6.8% of motherboards.
Maximum RAM speed
3,000 MT/s
Market range: <2k MT/s – >8k MT/s
This motherboard supports memory speeds up to 3,000 MT/s, which is lower than that of 74.2% of motherboards and equal to that of 1% of motherboards.
Show more
N. of M.2 sockets
1
Market range: <0 – >4
This motherboard has 1 M.2 sockets, which is fewer than 69.3% of motherboards and equal to 19.1% of motherboards.
M.2 slot interface per slot
N/A
N. of SATA 3 connectors
10
Market range: <4 – >8
This motherboard has 10 SATA 3 connectors, which is more than 96.6% of motherboards and equal to 3.4% of motherboards.
Supported RAID levels
0/1/5/10
This motherboard supports RAID levels 0/1/5/10, which is broader than 32% of motherboards and equal to 68% of motherboards.
JBOD excluded from RAID-level set
NVMe RAID support
no
This motherboard does not support NVMe RAID. 59.8% of motherboards support this feature.
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 31.5% of motherboards and equal to 68.5% 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 44.5% of motherboards and equal to 55.5% of motherboards.
N. of PCIe 3.0 x16 slots
3
Market range: <0 – >3
This motherboard has 3 PCIe 3.0x16 slots, which is more than 82.7% of motherboards and equal to 11.1% of motherboards.
PCIe slot electrical configuration
x16/x16/x8, x16/x8/x4
This motherboard uses x16/x16/x8, x16/x8/x4 for PCIe slot electrical configuration, which is more flexible than that of 95.5% of motherboards and equal to that of 0.3% of motherboards.
Depends on CPU.
PCIe bifurcation support
yes
This motherboard supports PCIe bifurcation. 40.4% 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 40.2% of motherboards and equal to 30.5% of motherboards.
Total USB ports (including headers)
17
Market range: <11 – >19
This motherboard has 17 USB ports (including headers), which is more than 71.3% of motherboards and equal to 10.4% of motherboards.
includes onboard internal USB port.
Total USB-C ports (rear I/O)
0
Market range: <0 – >2
This motherboard has 0 USB-C ports (rear I/O), which is fewer than 64.6% of motherboards and equal to 35.4% of motherboards.
Total USB-C ports (including headers)
0
Market range: <0 – >3
This motherboard has 0 USB-C ports (including headers), which is fewer than 69.7% of motherboards and equal to 30.3% 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 18.3% of motherboards and equal to 81.7% 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 50.8% of motherboards and equal to that of 49.2% of motherboards.
LAN controller
Intel I218-V + Killer E2200
This motherboard uses the Intel I218-V + Killer E2200 LAN controller, which is more advanced than that of 57.6% of motherboards and equal to that of 0.2% of motherboards.
dual LAN
N. of RJ45 ports
2
Market range: <1 – >2
This motherboard has 2 RJ45 ports, which is more than 85.7% of motherboards and equal to 13.4% 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 ALC1150
This motherboard uses the Realtek ALC1150 audio codec, which is more advanced than that of 52.7% of motherboards and equal to that of 9.2% of motherboards.
Audio channels
7.1
This motherboard offers 7.1 audio channels, which is more than 4.9% of motherboards and equal to 95.1% of motherboards.
Audio SNR
115 dB
Market range: <95 dB – >120 dB
This motherboard has an audio SNR of 115 dB, which is higher than that of 48.1% of motherboards and equal to that of 7.6% of motherboards.
Headphone amp support
yes
This motherboard supports a headphone amp. 40.8% of motherboards support this feature.
supports up to 600Ω.
N. of 3.5mm audio jacks
5
Market range: <2 – >6
This motherboard has 5 3.5mm audio jacks, which is more than 49.6% of motherboards and equal to 37% of motherboards.
Show more
VRM phases
12
This motherboard has 12 VRM phases, which is more than 55.4% of motherboards and equal to 4.4% of motherboards.
N. of CPU power connectors
1
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
6
Market range: <3 – >8
This motherboard has 6 fan headers, which is more than 50% of motherboards and equal to 22.3% of motherboards.
Pump header
yes
This motherboard has a pump header. 21.9% of motherboards include this feature.
Pump header max current
0 A
Market range: <0 A – >3 A
This motherboard supports up to 0 A on the pump header, which is lower than that of 76% of motherboards and equal to that of 24% of motherboards.
Show more

ASRock Fatal1ty X99X Killer vs the average motherboard

246810TotalPlatform & FeaturesMemoryStorageExpansionPorts & USBNetworkAudioPower & Cooling
  • 2x more maximum memory capacity
    This motherboard has more maximum memory capacity than the average motherboard (256 GB vs 128 GB). The average motherboard supports 128 GB of memory.
    higher limit with Xeon CPU
    256 GB vs 128 GB
  • 4 more memory slots
    This motherboard has more memory slots than the average motherboard (8 vs 4). The average motherboard has 4 memory slot/s.
    8 vs 4
  • Includes POST code display
    This motherboard has a POST code display, while the average motherboard does not. 27.2% of motherboards include a POST code display.
    Dr. Debug display.
  • Includes dual BIOS
    This motherboard has dual BIOS, while the average motherboard does not. 23% of motherboards include dual BIOS.
  • 1 more USB 3.2 Gen1 headers
    This motherboard has more USB 3.2 Gen1 headers than the average motherboard (2 vs 1). The average motherboard has 1 USB 3.2 Gen1 header/s.
    two internal headers
    2 vs 1
  • More advanced LAN controller
    This motherboard has better LAN controller than the average motherboard (Intel I218-V + Killer E2200 vs Killer + Intel + Realtek). The average motherboard uses Killer + Intel + Realtek LAN controller.
    dual LAN
    Intel I218-V + Killer E2200 vs Killer + Intel + Realtek
  • 6 more SATA 3 connectors
    This motherboard has more SATA 3 connectors than the average motherboard (10 vs 4). The average motherboard has 4 SATA 3 connectors.
    10 vs 4
  • More flexible PCIe lane configuration
    This motherboard has more flexible PCIe lane configuration than the average motherboard (x16/x16/x8, x16/x8/x4 vs x16/x0/x4, x8/x8/x4). The average motherboard uses x16/x0/x4, x8/x8/x4 PCIe slot lane configuration.
    Depends on CPU.
    x16/x16/x8, x16/x8/x4 vs x16/x0/x4, x8/x8/x4
  • Includes POST code display
    This motherboard has a POST code display, while the average motherboard does not. 27.2% of motherboards include a POST code display.
    Dr. Debug display.
  • Includes dual BIOS
    This motherboard has dual BIOS, while the average motherboard does not. 23% of motherboards include dual BIOS.
  • Rear-panel CMOS reset button
    This motherboard has a rear-panel CMOS reset button, while the average motherboard does not. 26.7% of motherboards include a rear-panel CMOS reset button.
    Rear I/O Clear CMOS switch.
  • More BIOS update options
    This motherboard has more BIOS update options than the average motherboard (UEFI utility, Windows app, DOS, internet flash vs UEFI utility, flashback, Windows app). The average motherboard offers UEFI utility, flashback, Windows app BIOS update methods.
    UEFI utility, Windows app, DOS, internet flash vs UEFI utility, flashback, Windows app
  • Broader Windows support
    This motherboard has broader Windows support than the average motherboard (Windows 11, Windows 10, Windows 8.1, Windows 7 vs Windows 11, Windows 10). The average motherboard supports Windows 11, Windows 10.
    Windows 11, Windows 10, Windows 8.1, Windows 7 vs Windows 11, Windows 10
  • Includes onboard power button
    This motherboard has an onboard power button, while the average motherboard does not. 27.7% of motherboards include an onboard power button.
  • Includes onboard reset button
    This motherboard has an onboard reset button, while the average motherboard does not. 27.6% of motherboards include an onboard reset button.
  • 2x more maximum memory capacity
    This motherboard has more maximum memory capacity than the average motherboard (256 GB vs 128 GB). The average motherboard supports 128 GB of memory.
    higher limit with Xeon CPU
    256 GB vs 128 GB
  • 4 more memory slots
    This motherboard has more memory slots than the average motherboard (8 vs 4). The average motherboard has 4 memory slot/s.
    8 vs 4
  • Supports ECC memory
    This motherboard supports ECC memory, while the average motherboard does not. 21% of motherboards support ECC memory.
    ECC requires compatible CPU.
  • More memory channels
    This motherboard has more memory channels than the average motherboard (4 vs 2). The average motherboard has 2 memory channel/s.
    4 vs 2
  • 6 more SATA 3 connectors
    This motherboard has more SATA 3 connectors than the average motherboard (10 vs 4). The average motherboard has 4 SATA 3 connectors.
    10 vs 4
  • More flexible PCIe lane configuration
    This motherboard has more flexible PCIe lane configuration than the average motherboard (x16/x16/x8, x16/x8/x4 vs x16/x0/x4, x8/x8/x4). The average motherboard uses x16/x0/x4, x8/x8/x4 PCIe slot lane configuration.
    Depends on CPU.
    x16/x16/x8, x16/x8/x4 vs x16/x0/x4, x8/x8/x4
  • 1 more PCIe x1 slots
    This motherboard has more PCIe x1 slots than the average motherboard (2 vs 1). The average motherboard has 1 PCIe x1 slot/s.
    2 vs 1
  • 2 more PCIe 3.0x16 slots
    This motherboard has more PCIe 3.0x16 slots than the average motherboard (3 vs 1). The average motherboard has 1 PCIe 3.0x16 slot/s.
    3 vs 1
  • 1 more USB 3.2 Gen1 headers
    This motherboard has more USB 3.2 Gen1 headers than the average motherboard (2 vs 1). The average motherboard has 1 USB 3.2 Gen1 header/s.
    two internal headers
    2 vs 1
  • 2 more total USB connections
    This motherboard has more total USB connections than the average motherboard (17 vs 15). The average motherboard has 15 total USB connections.
    includes onboard internal USB port.
    17 vs 15
  • 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
  • 2 more USB 3.2 Gen1 ports
    This motherboard has more USB 3.2 Gen1 ports than the average motherboard (6 vs 4). The average motherboard has 4 USB 3.2 Gen1 port/s.
    6 vs 4
  • More advanced LAN controller
    This motherboard has better LAN controller than the average motherboard (Intel I218-V + Killer E2200 vs Killer + Intel + Realtek). The average motherboard uses Killer + Intel + Realtek LAN controller.
    dual LAN
    Intel I218-V + Killer E2200 vs Killer + Intel + Realtek
  • Better audio codec
    This motherboard has better audio codec than the average motherboard (Realtek ALC1150 vs Realtek ALC897). The average motherboard uses Realtek ALC897 audio codec.
    Realtek ALC1150 vs Realtek ALC897
  • More VRM phases
    This motherboard has more VRM phases than the average motherboard (12 vs 10). The average motherboard has 10 VRM phase/s.
    12 vs 10
  • More basic motherboard chipset
    This motherboard has more basic motherboard chipset than the average motherboard (Intel X99 vs Intel B860). The average motherboard uses Intel B860 chipset.
    Intel X99 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
  • No NVMe RAID support
    This motherboard does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
  • 1 fewer M.2 sockets
    This motherboard has fewer M.2 sockets than the average motherboard (1 vs 2). The average motherboard has 2 M.2 socket/s.
    1 vs 2
  • 1 fewer rear USB-C ports
    This motherboard has fewer rear USB-C ports than the average motherboard (0 vs 1). The average motherboard has 1 rear USB-C port/s.
    0 vs 1
  • No Wi-Fi connectivity
    This motherboard does not support Wi-Fi connectivity, while the average motherboard does. 50% 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.
  • No BIOS flashback support
    This motherboard does not support BIOS flashback, while the average motherboard does. 50.9% of motherboards support BIOS flashback.
  • 21.1% lower user score
    User score
    6.6/ 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 Fatal1ty X99X Killer
    the average motherboard
    ASRock Fatal1ty X99X Killer has a lower user score than the average motherboard (6.61 vs 8.000).
    6.61 vs 8
  • 63.8% less popular
    ASRock Fatal1ty X99X Killer is less popular than the average motherboard (3.82 vs 6.3).
    3.82 vs 6.26
  • 25% more expensive
    ASRock Fatal1ty X99X Killer is more expensive than the average motherboard (£200 vs £160).
    £200 vs £160
  • More basic motherboard chipset
    This motherboard has more basic motherboard chipset than the average motherboard (Intel X99 vs Intel B860). The average motherboard uses Intel B860 chipset.
    Intel X99 vs Intel B860
  • No BIOS flashback support
    This motherboard does not support BIOS flashback, while the average motherboard does. 50.9% of motherboards support BIOS flashback.
  • No integrated graphics support
    This motherboard does not support integrated graphics, while the average motherboard does. 89.5% of motherboards support integrated graphics.
  • Not ready for Windows 11
    This motherboard is not ready for Windows 11, while the average motherboard is. 76.9% of motherboards are ready for Windows 11.
  • Older CPU socket
    This motherboard has older CPU socket than the average motherboard (LGA 2011-3 vs LGA 1151). The average motherboard uses LGA 1151 CPU socket.
    LGA 2,011-3 vs LGA 1,151
  • 7 older release date
    This motherboard is older than the average motherboard (2014 vs 2021). The average motherboard was released in 2021.
    August 2014
    2014 vs 2021
  • 36.6% lower maximum RAM speed
    This motherboard has a lower maximum RAM speed than the average motherboard (3000 MT/s vs 4733 MT/s). The average motherboard supports RAM speed of 4733 MT/s.
    3,000 MT/s vs 4,733 MT/s
  • 39.2% lower overclocked RAM speed
    This motherboard has a lower overclocked RAM speed than the average motherboard (3000 MT/s vs 4933 MT/s). The average motherboard supports overclocked RAM speed of 4933 MT/s.
    3,000 MT/s vs 4,933 MT/s
  • No NVMe RAID support
    This motherboard does not support NVMe RAID, while the average motherboard does. 59.8% of motherboards support NVMe RAID.
  • 1 fewer M.2 sockets
    This motherboard has fewer M.2 sockets than the average motherboard (1 vs 2). The average motherboard has 2 M.2 socket/s.
    1 vs 2
  • 1 fewer rear USB-C ports
    This motherboard has fewer rear USB-C ports than the average motherboard (0 vs 1). The average motherboard has 1 rear USB-C port/s.
    0 vs 1
  • 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-C connections
    This motherboard has fewer total USB-C connections than the average motherboard (0 vs 1). The average motherboard has 1 total USB-C connections.
    0 vs 1
  • 1 fewer HDMI outputs
    This motherboard has fewer HDMI outputs than the average motherboard (0 vs 1). The average motherboard has 1 HDMI 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
  • No Wi-Fi connectivity
    This motherboard does not support Wi-Fi connectivity, while the average motherboard does. 50% 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.
  • 1 fewer RJ45 ports
    This motherboard has fewer RJ45 ports than the average motherboard (2 vs 1). The average motherboard has 1 RJ45 port/s.
    2 vs 1
  • 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 onboard RGB lighting
    This motherboard does not have onboard RGB lighting, while the average motherboard does. 50.4% of motherboards include onboard RGB lighting.
  • 1 fewer RGB headers
    This motherboard has fewer RGB headers than the average motherboard (0 vs 1). The average motherboard has 1 RGB header/s.
    0 vs 1
  • 2 A lower pump header current limit
    This motherboard has a lower pump header current than the average motherboard (0 A vs 2 A). The average motherboard provides pump header current of 2 A.
    0 A vs 2 A

Video reviews

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

Third-party reviews

Based on ratings from across the web.
Reviews last updated: May 2026 · How we calculate this

What we like about ASRock Fatal1ty X99X Killer

  • Competitive pricing for the X99 platform, offering high-end features at a mid-range or budget-friendly cost
  • Robust 12-phase power delivery (Digi Power) and high-quality components like Nichicon 12K Platinum caps
  • User-friendly and feature-packed UEFI BIOS that is easy to navigate
  • Excellent storage options including ten SATA3 ports and Ultra M.2 support
  • Strong networking capabilities with dual Gigabit LAN (Intel and Killer NIC)
  • High-quality onboard audio (Purity Sound 2) with Realtek ALC1150 and dedicated capacitors
  • Useful physical features for enthusiasts, such as Power/Reset buttons and a Dr. Debug LED display

What we don't like about ASRock Fatal1ty X99X Killer

  • Recovery from failed overclocks can be inconsistent, occasionally requiring a manual reboot to clear debug errors (e.g., error '6D')
  • Audio solution lacks Dolby Digital Live licensing, utilizing DTS instead, which may disappoint some gamers
  • The BIOS interface may require a slight learning curve for users coming from other major brands due to the layout of certain settings
  • Some users reported boot failure issues or sensitivity to power supply/battery health in specific instances
  • Limited PCIe lane availability for peripherals if using lower-end CPUs (e.g., 28-lane processors)

Verdict

The ASRock Fatal1ty X99X Killer is a high-performance ATX motherboard built on the Intel X99 chipset and LGA 2011-3 socket, supporting Intel Core i7 and Xeon processors. Key specifications include 8 DDR4 DIMM slots for quad-channel memory up to 128GB (3000+ MHz OC), a robust 12-phase power design with Super Alloy components, and triple PCIe 3.0 x16 slots for 3-way SLI or CrossFireX. It is tailored for gaming with a dedicated Fatal1ty Mouse Port, dual LAN (Killer E2200 and Intel Gigabit), Purity Sound 2 audio, and 10 SATA3 ports alongside an Ultra M.2 (PCIe Gen3 x4) socket. Main pros include its competitive pricing, high-end overclocking stability, and versatile workstation support including ECC memory and Xeon compatibility. Notable cons include the lack of built-in Wi-Fi on the base model and potential PCIe lane trade-offs when using the Ultra M.2 slot, which may disable specific slots or SATA ports depending on the CPU used.

Compare ASRock Fatal1ty X99X Killer with other products in the Motherboards category

1Product to compare no. 1
VS
2Product to compare no. 2
VS
3Product to compare no. 3 (optional)

Graphic comparison of ASRock Fatal1ty X99X Killer and other products in the Motherboards category

No results found