Average Bench: 53.5% (852nd of 1058)

Based on 6,229 user benchmarks.  Model: WDC WDS120G1G0B-00RC30

Average average bench

The WD Green SATA M.2 120GB averaged 46.5% 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 Write Speed 63.7MB/s
Avg. 4K Random Read Speed 21.9MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WD Green SATA M.2 120GB is 31.3%. This is a relatively narrow range which indicates that the WD Green SATA M.2 120GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 72.6MB/s
Avg. 4K-64Thread Mixed IO Speed 27.4MB/s

Average Bench

(Based on 6,229 samples)
Min Avg Max
267 Read 385 484
40.2 Write 192 393
27.6 Mixed 191 357
31.9 SusWrite 72.6 116
46.4% 210 MB/s
Min Avg Max
10.7 4K Read 21.9 29.9
17.5 4K Write 63.7 111
5.44 4K Mixed 17.3 24.1
89% 34.3 MB/s
Min Avg Max
117 DQ Read 158 207
48.5 DQ Write 173 287
3.67 DQ Mixed 27.4 35
58.8% 119 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
39GB free (System drive)
Firmware: Z3311000
SusWrite @10s intervals: 92 89 77 70 87 63 MB/s
Read 411
Write 120
Mixed 157
SusWrite 79.6
42% 192 MB/s
4K Read 13.9
4K Write 63.3
4K Mixed 20.3
81% 32.5 MB/s
DQ Read 158
DQ Write 178
DQ Mixed 32.9
62% 123 MB/s
92GB free
Firmware: Z3311000
SusWrite @10s intervals: 66 77 128 77 70 86 MB/s
Read 342
Write 279
Mixed 26.6
SusWrite 84
40% 183 MB/s
4K Read 30.9
4K Write 79.1
4K Mixed 0.2
89% 36.7 MB/s
DQ Read 138
DQ Write 162
DQ Mixed 0.2
42% 100 MB/s
21GB free (System drive)
Firmware: Z3311000
SusWrite @10s intervals: 74 67 41 51 40 46 MB/s
Read 340
Write 62.6
Mixed 35.7
SusWrite 53.1
26% 123 MB/s
4K Read 17.9
4K Write 59.2
4K Mixed 18.5
82% 31.9 MB/s
DQ Read 154
DQ Write 61
DQ Mixed 26.9
41% 80.5 MB/s
6,229 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,295,618 SSDs tested.


AmazonUS $406 months
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Typical Green SATA M.2 120GB Builds (Compare 1,303 builds) See popular component choices, score breakdowns and rankings.
Gaming 16%
Desktop 70%
Battle cruiser
Workstation 12%
Tree trunk

Motherboard: Asrock H110 Pro BTC+

EDIT WITH CUSTOM PC BUILDER Value: 53% - Above average Total price: $487

Popular Green SATA M.2 120GB 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 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk 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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