Average Bench: 82.2% (436th of 1057)

more Based on 48,449 user benchmarks.  Models: SanDisk SDSSDHII240G, SanDisk Ultra II 240, SanDisk SDSSDHII, SanDis SDSSDHII240G, SanDis Ultra II 240GB, SanDisk Ultra II 240GB, SanDisk Ultra II

The Sandisk Ultra II sits above Sandisk's Ultra Plus and below their Extreme Pro. The Ultra Plus would probably have been phased out completely were it not for its continued success within budget space. The Ultra II is the first Sandisk drive to utilize cheaper (and slower) TLC NAND. Similarly to the Extreme Pro, the Ultra II utilizes an nCache which operates a portion of the NAND in simulated SLC mode. This strategy also matches the one employed by Samsung's now 14 months old Evo. Comparing the Ultra II and Evo shows broad performance equivalence which given the Ultra II's 15% price discount makes it the better choice today. That said it's probably worth waiting for the release of the 850 Evo which will pack another 14 months of Samsung's market leading R&D and will probably steal the show. [Sep '14 SSDrivePro]

Very good average bench

The SanDisk Ultra II 240GB averaged just 17.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the SanDisk Ultra II 240GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 204MB/s
Avg. 4K Random Mixed IO Speed 36.3MB/s

Average consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra II 240GB is 42.9%. This is a relatively wide range which indicates that the SanDisk Ultra II 240GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 179MB/s
Avg. Sequential Mixed IO Speed 252MB/s

Average Bench

(Based on 48,449 samples)
Min Avg Max
348 Read 448 505
217 Write 367 474
156 Mixed 252 344
80 SusWrite 179 253
69.5% 312 MB/s
Min Avg Max
18 4K Read 29.6 38.3
35.7 4K Write 76.9 111
21.5 4K Mixed 36.3 49.5
132% 47.6 MB/s
Min Avg Max
127 DQ Read 325 389
102 DQ Write 244 309
70.9 DQ Mixed 204 255
174% 258 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
91GB free (System drive)
Firmware: X31200RL
SusWrite @10s intervals: 187 134 179 58 77 77 MB/s
Read 487
Write 405
Mixed 232
SusWrite 119
69% 311 MB/s
4K Read 35.7
4K Write 101
4K Mixed 44
164% 60.3 MB/s
DQ Read 349
DQ Write 228
DQ Mixed 186
167% 254 MB/s
164GB free (System drive)
Firmware: X31200RL
SusWrite @10s intervals: 244 223 219 214 213 213 MB/s
Read 482
Write 428
Mixed 242
SusWrite 221
77% 343 MB/s
4K Read 31.2
4K Write 81.7
4K Mixed 36.3
137% 49.7 MB/s
DQ Read 349
DQ Write 287
DQ Mixed 196
180% 277 MB/s
69GB free
Firmware: X31200RL
SusWrite @10s intervals: 389 227 219 218 202 197 MB/s
Read 476
Write 428
Mixed 306
SusWrite 242
81% 363 MB/s
4K Read 33.4
4K Write 86.8
4K Mixed 43.1
152% 54.4 MB/s
DQ Read 219
DQ Write 137
DQ Mixed 190
138% 182 MB/s
103GB free (System drive)
Firmware: X31200RL
SusWrite @10s intervals: 255 199 205 202 188 173 MB/s
Read 443
Write 284
Mixed 224
SusWrite 204
64% 289 MB/s
4K Read 31.1
4K Write 81.9
4K Mixed 33.5
133% 48.8 MB/s
DQ Read 352
DQ Write 280
DQ Mixed 149
157% 260 MB/s
48,449 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,075,775 SSDs tested.


MSRP ≈ $110 @ launch in Sep '14
BHPhotoUS $703 years
AmazonUS $7414 months
EbayUS $8522 mins
Send price feedback
Typical Ultra II 240GB Builds (Compare 19,505 builds) See popular component choices, score breakdowns and rankings.
Gaming 70%
Desktop 88%
Aircraft carrier
Workstation 60%

Motherboard: Asus Z170 PRO GAMING - $295

EDIT WITH CUSTOM PC BUILDER Value: 59% - Above average Total price: $1,170

Popular Ultra II 240GB 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) June 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.

Poor (edit your comment) Add link

5 months ago.

This drive is very generic, and not innovative.


2 years ago.

Little workhorse....great value.


2 years ago.

Incompatibility with video drivers Catalyst 15.7. It takes 20 to 25 seconds on the screen of welcome. With an HDD this delay does not occur.


2 years ago.

Works fine for the most part. Never any problems.


6 years ago.

1057 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 $220Nvidia RTX 3070 $500Crucial MX500 250GB $40
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $95SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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