Average Bench: 30% (1001st of 1058)

Based on 93 user benchmarks.  Model: WDC WD181KRYZ-01AGBB0

Very poor average bench

The WDC WD181KRYZ-01AGBB0 18TB averaged 70.0% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K Random Read Speed 12.3MB/s
Avg. Sustained Write Speed 226MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the WDC WD181KRYZ-01AGBB0 18TB is just 16.4%. This is a relatively narrow range which indicates that the WDC WD181KRYZ-01AGBB0 18TB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 1.61MB/s
Avg. 4K Random Mixed IO Speed 0.7MB/s

Average Bench

(Based on 93 samples)
Min Avg Max
122 Read 223 269
126 Write 219 264
101 Mixed 133 160
126 SusWrite 226 268
45% 200 MB/s
Min Avg Max
4.36 4K Read 12.3 27.5
7.87 4K Write 13 15.6
0 4K Mixed 0.7 1.33
26.4% 8.68 MB/s
Min Avg Max
0.6 DQ Read 1.61 3.25
4.3 DQ Write 6.17 8.75
1.05 DQ Mixed 4.97 7.05
3.5% 4.25 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
16TB free
Firmware: 01.01H01
SusWrite @10s intervals: 256 264 266 259 267 269 MB/s
Read 252
Write 258
Mixed 142
SusWrite 264
52% 229 MB/s
4K Read 7.4
4K Write 15.6
4K Mixed 0.5
20% 7.83 MB/s
DQ Read 1.5
DQ Write 6.5
DQ Mixed 6.8
4% 4.93 MB/s
16TB free
Firmware: 01.01H01
SusWrite @10s intervals: 269 272 267 265 264 264 MB/s
Read 272
Write 263
Mixed 148
SusWrite 267
53% 237 MB/s
4K Read 5.1
4K Write 15.1
4K Mixed 0.1
16% 6.77 MB/s
DQ Read 1
DQ Write 4.8
DQ Mixed 4.4
3% 3.4 MB/s
93 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,337,904 SSDs tested.

Typical WD181KRYZ-01AGBB0 18TB Builds (Compare 132 builds) See popular component choices, score breakdowns and rankings.
Gaming 116%
Desktop 86%
Aircraft carrier
Workstation 125%

Motherboard: EVGA X299 MICRO

EDIT WITH CUSTOM PC BUILDER Value: 30% - Poor Total price: $1,089

Popular WD181KRYZ-01AGBB0 18TB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) September 2021 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


1058 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $390Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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