Average Bench: 77.2% (519th of 1058)

Based on 10,222 user benchmarks.  Models: SanDisk SDSSDHII120G, SanDis SDSSDHII120G, SanDisk SDSSDHII

Good average bench

The SanDisk Ultra II 120GB averaged 22.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the SanDisk Ultra II 120GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 203MB/s
Avg. 4K Random Mixed IO Speed 35.5MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra II 120GB is 39.3%. This is a relatively wide range which indicates that the SanDisk Ultra II 120GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 122MB/s
Avg. Sequential Mixed IO Speed 226MB/s

Average Bench

(Based on 10,222 samples)
Min Avg Max
323 Read 447 503
161 Write 325 459
153 Mixed 226 308
66.2 SusWrite 122 165
62.1% 280 MB/s
Min Avg Max
19 4K Read 29 35.7
39.6 4K Write 79.1 110
21.2 4K Mixed 35.5 46
131% 47.9 MB/s
Min Avg Max
32.5 DQ Read 281 314
94.5 DQ Write 236 312
41.8 DQ Mixed 203 252
167% 240 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
34GB free (System drive)
Firmware: X31200RL
SusWrite @10s intervals: 197 110 92 58 91 77 MB/s
Read 461
Write 409
Mixed 279
SusWrite 104
70% 313 MB/s
4K Read 36
4K Write 114
4K Mixed 46.7
175% 65.7 MB/s
DQ Read 314
DQ Write 299
DQ Mixed 246
201% 286 MB/s
112GB free
Firmware: X31000RL
SusWrite @10s intervals: 391 128 118 123 118 116 MB/s
Read 452
Write 416
Mixed 297
SusWrite 166
74% 333 MB/s
4K Read 23.4
4K Write 43.6
4K Mixed 28.8
96% 31.9 MB/s
DQ Read 222
DQ Write 187
DQ Mixed 191
147% 200 MB/s
35GB free (System drive)
Firmware: X31200RL
SusWrite @10s intervals: 138 94 94 58 83 61 MB/s
Read 348
Write 200
Mixed 214
SusWrite 88.2
47% 213 MB/s
4K Read 26.5
4K Write 52.3
4K Mixed 32.8
110% 37.2 MB/s
DQ Read 261
DQ Write 231
DQ Mixed 203
164% 232 MB/s
10,222 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,499,847 SSDs tested.

Typical Ultra II 120GB Builds (Compare 12,614 builds) See popular component choices, score breakdowns and rankings.
Gaming 45%
Desktop 87%
Aircraft carrier
Workstation 38%
Jet ski

Motherboard: MSI Z97 GAMING 5 (MS-7917)

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $764

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.
  • - 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) August 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.


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

Everything you do on your computer - faster...

Added 6 years ago.

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 $394Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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