Average Bench: 115% (165th of 1026)

Based on 3,164 user benchmarks.  Model: NVMe PC300 NVMe SK hy

Outstanding average bench

The Nvme PC300 SK hy 256GB averaged 15.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme PC300 SK hy 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 410MB/s
Avg. 4K-64Thread Read Speed 583MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Nvme PC300 SK hy 256GB is 65.9%. This is a particularly wide range which indicates that the Nvme PC300 SK hy 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 311MB/s
Avg. Sequential Write Speed 361MB/s

Average Bench

(Based on 3,164 samples)
Min Avg Max
463 Read 830 1,015
211 Write 361 414
247 Mixed 407 507
147 SusWrite 311 401
106% 477 MB/s
Min Avg Max
13.5 4K Read 35.3 36
28.2 4K Write 85.8 118
16.6 4K Mixed 33.5 42.5
142% 51.5 MB/s
Min Avg Max
179 DQ Read 583 722
108 DQ Write 337 415
136 DQ Mixed 410 499
318% 443 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
153GB free (System drive)
Firmware: 20005A00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 395 404 394 396 393 392 MB/s
Read 995
Write 404
Mixed 487
SusWrite 396
126% 570 MB/s
4K Read 34.4
4K Write 103
4K Mixed 41.2
159% 59.5 MB/s
DQ Read 36.3
DQ Write 334
DQ Mixed 235
167% 202 MB/s
183GB free (System drive)
Firmware: 20005A00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 387 396 401 399 394 401 MB/s
Read 1,008
Write 398
Mixed 496
SusWrite 396
127% 575 MB/s
4K Read 35.8
4K Write 113
4K Mixed 40.7
166% 63.1 MB/s
DQ Read 35.7
DQ Write 114
DQ Mixed 41.1
41% 63.6 MB/s
3,164 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 28,431,502 SSDs tested.

Typical PC300 SK hy 256GB Builds (Compare 18,478 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Desktop 69%
Battle cruiser
Workstation 49%

System: Dell XPS 15 9560 - $1,149


Popular PC300 SK hy 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.
  • - 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) July 2020 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.


1026 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 i5-9600K $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9400F $154Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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