Average Bench: 44.4% (682nd of 869)

Based on 4,538 user benchmarks.  Models: WDC WDS120G1G0A-00SS50, WDC WDS120G1G0A-, WD WDS120G1G0A-00SS, WDC WDS1 20G1G0A-00SS50, WDC WDS120G1G0A-00SS

Below average average bench

The WD Green 120GB averaged 55.6% 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. Sequential Read Speed 469MB/s
Avg. 4K Random Read Speed 20.2MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the WD Green 120GB is just 18%. This is a relatively narrow range which indicates that the WD Green 120GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 3.34MB/s
Avg. 4K Random Mixed IO Speed 3.08MB/s

Average Bench

(Based on 4,538 samples)
Min Avg Max
405 Read 469 489
20.9 Write 103 198
60.1 Mixed 151 224
52% 241 MB/s
Min Avg Max
12.3 4K Read 20.2 26.8
15.1 4K Write 38.2 55.9
1.17 4K Mixed 3.08 3.96
54.8% 20.5 MB/s
Min Avg Max
17.2 DQ Read 99.8 182
24.6 DQ Write 93.1 145
1.41 DQ Mixed 3.34 4.37
28% 65.4 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
5GB free
Firmware: Z3311000 Max speed: SATA 3.0 600 MB/s
Read 455
Write 104
Mixed 121
49% 226 MB/s
4K Read 19.5
4K Write 44.1
4K Mixed 2.23
56% 22 MB/s
DQ Read 12.2
DQ Write 126
DQ Mixed 2.01
22% 46.8 MB/s
50GB free
Firmware: Z3311000 Max speed: SATA 3.0 600 MB/s
Read 469
Write 43.9
Mixed 180
50% 231 MB/s
4K Read 18.6
4K Write 43.5
4K Mixed 1.14
53% 21.1 MB/s
DQ Read 136
DQ Write 114
DQ Mixed 3.52
36% 84.7 MB/s
4,538 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,263,903 SSDs tested.


EbayUS $539 mins
AmazonUS $594 mins
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Typical Green 120GB Builds (Compare 560 builds) See popular component choices, score breakdowns and rankings.
Gaming 65%
Desktop 69%
Battle cruiser
Workstation 54%

Motherboard: Asus H110-PLUS

EDIT WITH CUSTOM PC BUILDER Value: 87% - Excellent Total price: $553

Popular Green 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.

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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) January 2018 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]


869 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 i7-7700K $280Nvidia GTX 1070 $133Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $290Nvidia GTX 1060-6GB $275Samsung 850 Evo 500GB $138
Intel Core i5-7600K $210AMD RX 480 $400Samsung 850 Pro 256GB $110
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $205SanDisk Extreme 64GB $50
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $53Corsair Vengeance LPX DDR4 3200 C16 2x8GB $220SanDisk Ultra Fit 32GB $12
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