Average Bench: 22.1% (1040th of 1058)

Based on 11 user benchmarks.  Model: WDC WD121KRYZ-01W0RB1
Poor: 20%Average: 22.1% Great: 27%

Very poor average bench

The WDC WD121KRYZ-01W0RB1 12TB averaged 77.8% 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.

Strengths

Avg. Sequential Write Speed 193MB/s
Avg. Sustained Write Speed 190MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the WDC WD121KRYZ-01W0RB1 12TB is just 7.09%. This is an extremely narrow range which indicates that the WDC WD121KRYZ-01W0RB1 12TB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 4.51MB/s
Avg. 4K-64Thread Write Speed 6.84MB/s
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Average Bench

(Based on 11 samples)
Min Avg Max
112 Read 186 233
125 Write 193 232
82.3 Mixed 101 110
156 SusWrite 190 241
37.7% 167 MB/s
Min Avg Max
1.1 4K Read 1.68 2.4
9.5 4K Write 10 10.8
1.2 4K Mixed 1.54 1.9
9.8% 4.42 MB/s
Min Avg Max
3.1 DQ Read 4.51 5.3
5.6 DQ Write 6.84 9.1
5.3 DQ Mixed 6.29 7.4
4.6% 5.88 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
8.5TB free
Firmware: 02.02H02
SusWrite @10s intervals: 230 236 233 233 228 231 MB/s
Read 233
Write 231
Mixed 110
SusWrite 232
45% 201 MB/s
4K Read 2.4
4K Write 10.8
4K Mixed 1.8
12% 5 MB/s
DQ Read 5.3
DQ Write 8.4
DQ Mixed 6.7
5% 6.8 MB/s
3TB free
Firmware: 02.02H02
SusWrite @10s intervals: 195 187 188 188 190 189 MB/s
Read 188
Write 193
Mixed 102
SusWrite 190
38% 168 MB/s
4K Read 1.8
4K Write 9.9
4K Mixed 1.8
10% 4.5 MB/s
DQ Read 4.6
DQ Write 6.1
DQ Mixed 6.1
4% 5.6 MB/s
3TB free
Firmware: 02.02H02
SusWrite @10s intervals: 180 184 188 191 186 188 MB/s
Read 190
Write 204
Mixed 101
SusWrite 186
38% 170 MB/s
4K Read 1.7
4K Write 9.9
4K Mixed 1.3
10% 4.3 MB/s
DQ Read 4.7
DQ Write 7.3
DQ Mixed 5.3
4% 5.77 MB/s
2.5TB free
Firmware: 02.02H02
SusWrite @10s intervals: 180 184 187 191 186 184 MB/s
Read 187
Write 183
Mixed 95.6
SusWrite 185
37% 163 MB/s
4K Read 1.5
4K Write 10.4
4K Mixed 1.3
9% 4.4 MB/s
DQ Read 4.9
DQ Write 6.9
DQ Mixed 6.3
5% 6.03 MB/s
3TB free
Firmware: 02.02H02
SusWrite @10s intervals: 177 181 184 178 181 179 MB/s
Read 187
Write 197
Mixed 97.5
SusWrite 180
37% 165 MB/s
4K Read 1.5
4K Write 10.3
4K Mixed 1.5
10% 4.43 MB/s
DQ Read 4.6
DQ Write 6.7
DQ Mixed 4.8
4% 5.37 MB/s
2.5TB free
Firmware: 02.02H02
SusWrite @10s intervals: 181 183 188 192 185 186 MB/s
Read 166
Write 168
Mixed 97.9
SusWrite 186
35% 154 MB/s
4K Read 1.6
4K Write 9.7
4K Mixed 1.3
9% 4.2 MB/s
DQ Read 4.3
DQ Write 7
DQ Mixed 5.9
4% 5.73 MB/s
11TB free
Firmware: 02.02H02
SusWrite @10s intervals: 155 159 161 156 152 155 MB/s
Read 112
Write 125
Mixed 82.3
SusWrite 156
27% 119 MB/s
4K Read 1.1
4K Write 10.3
4K Mixed 1.6
9% 4.33 MB/s
DQ Read 3.1
DQ Write 6.9
DQ Mixed 5.3
4% 5.1 MB/s
11 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,072,214 SSDs tested.

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.

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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.
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  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
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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]

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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.

 Comments

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.
CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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