Average Bench: 118% (191st of 1071)

Based on 9,137 user benchmarks.  Model: PC401 NVMe SK hynix 256GB

Outstanding average bench

The Pc401 NVMe SK hynix 256GB averaged 18.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Pc401 NVMe SK hynix 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 251MB/s
Avg. Sequential Read Speed 946MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Pc401 NVMe SK hynix 256GB is 99.4%. This is a particularly wide range which indicates that the Pc401 NVMe SK hynix 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 212MB/s
Avg. Sequential Write Speed 335MB/s

Average Bench

(Based on 9,137 samples)
Min Avg Max
470 Read 946 1,279
67.6 Write 335 722
118 Mixed 504 1,031
56.3 SusWrite 212 328
110% 499 MB/s
Min Avg Max
19.4 4K Read 40.6 49.4
42.7 4K Write 94.8 143
18.8 4K Mixed 42.4 66.6
166% 59.3 MB/s
Min Avg Max
241 DQ Read 487 603
77.5 DQ Write 284 717
100 DQ Mixed 251 594
223% 341 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
92GB free (System drive)
Firmware: 80002E00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 351 275 309 311 314 313 MB/s
Read 626
Write 736
Mixed 478
SusWrite 312
121% 538 MB/s
4K Read 15.2
4K Write 36.5
4K Mixed 16.9
64% 22.9 MB/s
DQ Read 358
DQ Write 206
DQ Mixed 276
207% 280 MB/s
9,137 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 63,159,084 SSDs tested.

Typical NVMe SK hynix 256GB Builds (Compare 3,264 builds) See popular component choices, score breakdowns and rankings.
Gaming 91%
Nuclear submarine
Desktop 90%
Nuclear submarine
Workstation 83%
Aircraft carrier

System: Alienware Aurora R7

EDIT WITH CUSTOM PC BUILDER Value: 76% - Very good Total price: $680

Popular NVMe SK hynix 256GB systems:

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) January 2023 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.


1071 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 i5-13600K $320Nvidia RTX 3060-Ti $460Crucial MX500 250GB $30
Intel Core i3-12100F $98Nvidia RTX 3070 $570Samsung 850 Evo 120GB $106
Intel Core i5-12600K $233Nvidia RTX 3050 $298Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $50SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3200 C16 2x8GB $49SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $417SanDisk Ultra Fit 32GB $16
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