Average Bench: 81.2% (451st of 1058)

Based on 917 user benchmarks.  Model: Vi550 S3 SSD

Very good average bench

The Vi550 S3 SSD 512GB averaged just 18.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Vi550 S3 SSD 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 187MB/s
Avg. 4K Random Read Speed 31.2MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Vi550 S3 SSD 512GB is 64.8%. This is a particularly wide range which indicates that the Vi550 S3 SSD 512GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 240MB/s
Avg. Sequential Write Speed 300MB/s

Average Bench

(Based on 917 samples)
Min Avg Max
203 Read 401 492
103 Write 300 478
152 Mixed 324 450
85.1 SusWrite 240 455
70.8% 316 MB/s
Min Avg Max
14.9 4K Read 31.2 43.5
20.4 4K Write 70.9 105
15.5 4K Mixed 34 50.9
128% 45.4 MB/s
Min Avg Max
64.8 DQ Read 248 348
50.1 DQ Write 254 344
16 DQ Mixed 187 328
158% 230 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
225GB free (System drive)
Firmware: SN08435
SusWrite @10s intervals: 453 411 433 259 128 127 MB/s
Read 448
Write 466
Mixed 387
SusWrite 302
90% 401 MB/s
4K Read 34.3
4K Write 73.1
4K Mixed 41.3
144% 49.6 MB/s
DQ Read 255
DQ Write 295
DQ Mixed 290
214% 280 MB/s
917 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,071,884 SSDs tested.

Typical S3 SSD 512GB Builds (Compare 17,218 builds) See popular component choices, score breakdowns and rankings.
Gaming 48%
Desktop 81%
Aircraft carrier
Workstation 44%
Speed boat

Motherboard: Asrock B450M-HDV R4.0 - $75

EDIT WITH CUSTOM PC BUILDER Value: 74% - Very good Total price: $560

Popular S3 SSD 512GB 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) September 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.


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 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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