Average Bench: 131% (145th of 1026)

Based on 2,603 user benchmarks.  Model: SKHynix_HFS256GD9TNG-L3A0B

Outstanding average bench

The SKHynix_HFS256GD9TNG-L3A0B 256GB averaged 31.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the SKHynix_HFS256GD9TNG-L3A0B 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 465MB/s
Avg. 4K-64Thread Write Speed 509MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the SKHynix_HFS256GD9TNG-L3A0B 256GB is 71.3%. This is a particularly wide range which indicates that the SKHynix_HFS256GD9TNG-L3A0B 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 338MB/s
Avg. Sequential Mixed IO Speed 505MB/s

Average Bench

(Based on 2,603 samples)
Min Avg Max
550 Read 951 1385
261 Write 736 1,003
343 Mixed 505 914
206 SusWrite 338 392
141% 632 MB/s
Min Avg Max
20.4 4K Read 37 48.1
56.5 4K Write 99.8 142
20.7 4K Mixed 39.6 60
160% 58.8 MB/s
Min Avg Max
418 DQ Read 568 828
205 DQ Write 509 834
273 DQ Mixed 465 803
369% 514 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
165GB free (System drive)
Firmware: 80040C10
SusWrite @10s intervals: 521 358 358 360 356 355 MB/s
Read 980
Write 831
Mixed 478
SusWrite 385
149% 669 MB/s
4K Read 34.8
4K Write 66.1
4K Mixed 35.2
133% 45.4 MB/s
DQ Read 525
DQ Write 478
DQ Mixed 464
358% 489 MB/s
94GB free (System drive)
Firmware: 80030C10
SusWrite @10s intervals: 548 362 364 360 360 292 MB/s
Read 830
Write 682
Mixed 470
SusWrite 381
132% 591 MB/s
4K Read 39.1
4K Write 85.4
4K Mixed 37.6
153% 54 MB/s
DQ Read 527
DQ Write 478
DQ Mixed 452
353% 485 MB/s
191GB free (System drive)
Firmware: 80050C10
SusWrite @10s intervals: 547 354 362 360 363 342 MB/s
Read 1,121
Write 775
Mixed 492
SusWrite 388
154% 694 MB/s
4K Read 39.8
4K Write 54.8
4K Mixed 29.8
128% 41.5 MB/s
DQ Read 526
DQ Write 108
DQ Mixed 209
181% 281 MB/s
2,603 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 29,419,242 SSDs tested.

Typical SKHynix_HFS256GD9TNG-L3A0B 256GB Builds (Compare 5,828 builds) See popular component choices, score breakdowns and rankings.
Gaming 62%
Desktop 84%
Aircraft carrier
Workstation 67%
Battle cruiser

System: Lenovo 81SX


Popular SKHynix_HFS256GD9TNG-L3A0B 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.

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Solid State Drive Rankings (Price vs Performance) August 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 $45
Intel Core i5-9400F $156Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $335Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $46
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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