Average Bench: 77.4% (514th of 1058)

Based on 9,027 user benchmarks.  Models: SanDisk SDSSDHII120G, SanDis SDSSDHII120G, SanDisk SDSSDHII

Good average bench

The SanDisk Ultra II 120GB averaged 22.5% 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 35.7%. 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 124MB/s
Avg. Sequential Mixed IO Speed 224MB/s

Average Bench

(Based on 9,027 samples)
Min Avg Max
348 Read 450 501
167 Write 324 456
148 Mixed 224 307
66.6 SusWrite 124 167
62.2% 280 MB/s
Min Avg Max
18.5 4K Read 29.1 35.1
42.5 4K Write 79 109
21.9 4K Mixed 35.5 45
131% 47.9 MB/s
Min Avg Max
34.5 DQ Read 282 314
99.6 DQ Write 234 311
54.8 DQ Mixed 203 253
167% 239 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
54GB free (System drive)
Firmware: X31200RL
SusWrite @10s intervals: 245 125 128 128 120 126 MB/s
Read 508
Write 458
Mixed 315
SusWrite 145
80% 357 MB/s
4K Read 33.1
4K Write 93.4
4K Mixed 43.5
155% 56.7 MB/s
DQ Read 312
DQ Write 294
DQ Mixed 253
204% 287 MB/s
64GB free (System drive)
Firmware: X31200RL
SusWrite @10s intervals: 151 129 114 111 114 112 MB/s
Read 502
Write 428
Mixed 232
SusWrite 122
71% 321 MB/s
4K Read 35.4
4K Write 98.7
4K Mixed 44.3
163% 59.5 MB/s
DQ Read 313
DQ Write 245
DQ Mixed 209
176% 256 MB/s
41GB free (System drive)
Firmware: 00RL
SusWrite @10s intervals: 230 169 165 157 87 88 MB/s
Read 382
Write 358
Mixed 225
SusWrite 149
62% 279 MB/s
4K Read 29.3
4K Write 71.9
4K Mixed 37.4
130% 46.2 MB/s
DQ Read 278
DQ Write 219
DQ Mixed 228
176% 242 MB/s
9,027 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 43,081,257 SSDs tested.

Typical Ultra II 120GB Builds (Compare 11,729 builds) See popular component choices, score breakdowns and rankings.
Gaming 45%
Speed boat
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.
  • - 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.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) May 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 5 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 i5-11400F $210Nvidia RTX 3060-Ti $400Crucial MX500 250GB $49
Intel Core i5-11600K $255Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10600K $210Nvidia RTX 3080 $700Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $102SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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