Average Bench: 81.8% (400th of 1016)

Based on 72 user benchmarks.  Model: SK hynix SC300B

Very good average bench

The SK hynix SC300B 512GB averaged just 18.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the SK hynix SC300B 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 86.8MB/s
Avg. 4K Random Read Speed 22.8MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC300B 512GB is 31.4%. This is a relatively narrow range which indicates that the SK hynix SC300B 512GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 216MB/s
Avg. Sustained Write Speed 352MB/s

Average Bench

(Based on 72 samples)
Min Avg Max
320 Read 468 525
254 Write 418 464
321 Mixed 427 496
195 SusWrite 352 412
93.6% 416 MB/s
Min Avg Max
14.8 4K Read 22.8 29.2
30.7 4K Write 60.3 91.9
12.2 4K Mixed 21.9 35.4
94.5% 35 MB/s
Min Avg Max
17.2 DQ Read 216 380
33.3 DQ Write 215 333
10.2 DQ Mixed 86.8 299
101% 172 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
72GB free (System drive)
Firmware: 2P00
SusWrite @10s intervals: 362 433 322 256 242 245 MB/s
Read 412
Write 446
Mixed 350
SusWrite 310
86% 380 MB/s
4K Read 26.4
4K Write 84.1
4K Mixed 35.9
130% 48.8 MB/s
DQ Read 381
DQ Write 320
DQ Mixed 299
238% 333 MB/s
256GB free (System drive)
Firmware: 2P00
SusWrite @10s intervals: 417 325 338 342 341 344 MB/s
Read 376
Write 420
Mixed 362
SusWrite 351
85% 377 MB/s
4K Read 23.2
4K Write 60.4
4K Mixed 28.2
103% 37.3 MB/s
DQ Read 222
DQ Write 250
DQ Mixed 174
148% 216 MB/s
215GB free (System drive)
Firmware: 2P00
SusWrite @10s intervals: 294 346 393 343 387 346 MB/s
Read 356
Write 382
Mixed 325
SusWrite 352
80% 354 MB/s
4K Read 21.6
4K Write 62.7
4K Mixed 26.9
100% 37.1 MB/s
DQ Read 254
DQ Write 226
DQ Mixed 155
139% 212 MB/s
72 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,547,042 SSDs tested.

Typical hynix SC300B 512GB Builds (Compare 1,018 builds) See popular component choices, score breakdowns and rankings.
Gaming 28%
Desktop 52%
Workstation 63%

Motherboard: Dell Precision Tower 7910

EDIT WITH CUSTOM PC BUILDER Value: 7% - Terrible Total price: $820

Popular hynix SC300B 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.
  • - 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) January 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.


1016 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 $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $42
Intel Core i5-9400F $154Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $356Nvidia RTX 2060 $349Samsung 850 Pro 512GB $224
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
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