Average Bench: 69.1% (375th of 908)

more Based on 14,751 user benchmarks.  Models: SanDisk SDSSDHII480G, SanDis Ultra II 480GB, SanDis SDSSDHII480G, SanDisk SDSSDHII, SanDisk Ultra II 480, SanDisk Ultra II 480GB, SanDisk Ultra II

Above average average bench

The SanDisk Ultra II 480GB averaged 30.9% 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 27.4MB/s
Avg. Sequential Read Speed 469MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra II 480GB is 34.2%. This is a relatively narrow range which indicates that the SanDisk Ultra II 480GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 30.9MB/s
Avg. 4K Random Mixed IO Speed 15.2MB/s

Average Bench

(Based on 14,751 samples)
Min Avg Max
351 Read 469 501
177 Write 280 350
179 Mixed 273 338
75.2% 341 MB/s
Min Avg Max
17.9 4K Read 27.4 37
23.9 4K Write 50.9 79.9
8.34 4K Mixed 15.2 21.3
88% 31.2 MB/s
Min Avg Max
23.2 DQ Read 198 367
35.4 DQ Write 141 210
7.54 DQ Mixed 30.9 49.9
60.5% 123 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
250GB free
Firmware: X41200RL Max speed: SATA 3.0 600 MB/s
Read 481
Write 232
Mixed 265
72% 326 MB/s
4K Read 33.3
4K Write 58.3
4K Mixed 16.1
102% 35.9 MB/s
DQ Read 348
DQ Write 173
DQ Mixed 42.2
89% 188 MB/s
373GB free
Firmware: X41320RL Max speed: SATA 3.0 600 MB/s
Read 486
Write 349
Mixed 321
85% 385 MB/s
4K Read 21.6
4K Write 33.2
4K Mixed 10
63% 21.6 MB/s
DQ Read 188
DQ Write 123
DQ Mixed 40.9
62% 117 MB/s
308GB free
Firmware: X41320RL Max speed: SATA 3.0 600 MB/s
Read 479
Write 324
Mixed 277
80% 360 MB/s
4K Read 21.6
4K Write 35.5
4K Mixed 16.5
73% 24.5 MB/s
DQ Read 107
DQ Write 59.9
DQ Mixed 33.2
38% 66.8 MB/s
170GB free
Firmware: X41320RL Max speed: SATA 3.0 600 MB/s
Read 497
Write 347
Mixed 300
84% 381 MB/s
4K Read 19.6
4K Write 45.7
4K Mixed 9.12
66% 24.8 MB/s
DQ Read 26.7
DQ Write 42.7
DQ Mixed 9.47
14% 26.3 MB/s
296GB free
Firmware: X41100RL Max speed: SATA 3.0 600 MB/s
Read 319
Write 210
Mixed 121
48% 217 MB/s
4K Read 23.8
4K Write 32.3
4K Mixed 11.7
68% 22.6 MB/s
DQ Read 30.5
DQ Write 57.2
DQ Mixed 11.8
18% 33.2 MB/s
14,751 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,038,103 SSDs tested.


Approx. $170 @ launch in Sep '14
AmazonUS $1307 mins
BHPhotoUS $1302 months
EbayUS $14023 mins
NeweggUS $1654 hrs
Send price feedback
Typical Ultra II 480GB Builds (Compare 18,624 builds) See popular component choices, score breakdowns and rankings.
Gaming 93%
Nuclear submarine
Desktop 79%
Workstation 62%

Motherboard: Asus Z170 PRO GAMING - $157

EDIT WITH CUSTOM PC BUILDER Value: 84% - Excellent Total price: $1,235

Popular Ultra II 480GB 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) March 2018 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.


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

Everything you do on your computer - faster...

Added 2 years ago.

Very good

22 months ago.

My first ssd, so, is very good to me!!!!

908 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 i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $85
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $150
Intel Core i5-8600K $243AMD RX 480 $400Samsung 850 Pro 256GB $120
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $195SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $205SanDisk Extreme 16GB $18
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