Average Bench: 62.2% - 446th / 836

Based on 1,897 user benchmarks.  Models: SanDisk SDSSDHII120G, SanDis SDSSDHII120G, SanDisk SDSSDHII

Above average average bench

The SanDisk Ultra II 120GB averaged 37.7% 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 26.5MB/s
Avg. Sequential Read Speed 426MB/s
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Above average consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra II 120GB is 35.3%. This is a relatively wide range which indicates that the SanDisk Ultra II 120GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 32.3MB/s
Avg. Sequential Mixed IO Speed 212MB/s

Average Bench

(Based on 1,897 samples)
Min Avg Max
337 Read 426 475
76.8 Write 216 322
101 Mixed 212 305
62.5% 285 MB/s
Min Avg Max
18.3 4K Read 26.5 34.7
25.7 4K Write 52.7 80.8
8.33 4K Mixed 14.6 20.4
86.9% 31.3 MB/s
Min Avg Max
22.8 DQ Read 171 304
39 DQ Write 130 206
8.07 DQ Mixed 32.3 50
56.3% 111 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
25GB free
Firmware: X31200RL Max speed: SATA 3.0 600 MB/s
Read 453
Write 316
Mixed 303
79% 358 MB/s
4K Read 31.8
4K Write 58.1
4K Mixed 19
103% 36.3 MB/s
DQ Read 306
DQ Write 165
DQ Mixed 51.2
87% 174 MB/s
60GB free
Firmware: X310 Max speed: SATA 3.0 600 MB/s
Read 441
Write 164
Mixed 191
58% 265 MB/s
4K Read 31.3
4K Write 75.5
4K Mixed 15.2
107% 40.7 MB/s
DQ Read 208
DQ Write 72.8
DQ Mixed 24.4
48% 102 MB/s
81GB free
Firmware: X31200RL Max speed: SATA 3.0 600 MB/s
Read 447
Write 178
Mixed 188
59% 271 MB/s
4K Read 23.1
4K Write 50.8
4K Mixed 16.7
83% 30.2 MB/s
DQ Read 185
DQ Write 172
DQ Mixed 49.2
72% 135 MB/s
33GB free
Firmware: X31200RL Max speed: SATA 3.0 600 MB/s
Read 445
Write 81.2
Mixed 207
53% 244 MB/s
4K Read 28.2
4K Write 64.3
4K Mixed 11.5
91% 34.7 MB/s
DQ Read 33.8
DQ Write 74.9
DQ Mixed 13.6
22% 40.8 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,124,209 SSDs tested.


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Typical Ultra II 120GB Builds (Compare 6,779 builds) See popular component choices, score breakdowns and rankings.
Gaming 48%
Desktop 52%
Workstation 43%
Speed boat

Motherboard: MSI 970 GAMING (MS-7693) - $100

EDIT WITH CUSTOM PC BUILDER Value: 60% - Above average Total price: $707

Popular Ultra II 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 (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) February 2017 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]


Controller: Marvell 88SS9187. Memory: SanDisk 19nm TLC.

Everything you do on your computer - faster...

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836 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 $346Nvidia GTX 1070 $370Samsung 850 Evo 250GB $94
Intel Pentium G4560 $72AMD RX 480 $175Samsung 850 Pro 256GB $124
Intel Core i5-7600K $230Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $170
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $125SanDisk Extreme 64GB $30
Seagate Barracuda 3TB (2016) $90G.SKILL Trident Z DDR4 3200 C14 4x16GB $570SanDisk Extreme 32GB $26
Seagate Barracuda 7200.14 1TB $50HyperX Fury DDR4 2133 C14 2x8GB $123SanDisk Extreme 16GB $18
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