Average Bench: 69.2% (683rd of 1072)

Based on 6,224 user benchmarks.  Model: SK hynix SC308 SATA 256GB

Above average average bench

The SK hynix SC308 SATA 256GB averaged 30.8% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K-64Thread Mixed IO Speed 167MB/s
Avg. 4K-64Thread Read Speed 334MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC308 SATA 256GB is 34.4%. This is a relatively narrow range which indicates that the SK hynix SC308 SATA 256GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 197MB/s
Avg. Sustained Write Speed 215MB/s

Average Bench

(Based on 6,224 samples)
Min Avg Max
312 Read 396 461
198 Write 236 259
172 Mixed 197 219
134 SusWrite 215 252
58.1% 261 MB/s
Min Avg Max
9.51 4K Read 22.6 32.4
24.8 4K Write 62.1 98
10.8 4K Mixed 20.1 28.4
92.8% 34.9 MB/s
Min Avg Max
193 DQ Read 334 379
134 DQ Write 228 260
77 DQ Mixed 167 190
156% 243 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
146GB free (System drive)
Firmware: 30001P10
SusWrite @10s intervals: 234 216 230 249 231 235 MB/s
Read 409
Write 254
Mixed 211
SusWrite 232
62% 277 MB/s
4K Read 24.4
4K Write 57.8
4K Mixed 23.5
98% 35.2 MB/s
DQ Read 367
DQ Write 255
DQ Mixed 186
173% 269 MB/s
210GB free (System drive)
Firmware: 30001P10
SusWrite @10s intervals: 225 211 236 226 213 214 MB/s
Read 328
Write 241
Mixed 178
SusWrite 221
54% 242 MB/s
4K Read 19.7
4K Write 44.5
4K Mixed 20.6
80% 28.3 MB/s
DQ Read 345
DQ Write 227
DQ Mixed 184
165% 252 MB/s
6,224 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 73,438,433 SSDs tested

Typical hynix SC308 SATA 256GB Builds (Compare 3,110 builds) See popular component choices, score breakdowns and rankings
Gaming 6%
Tree trunk
Desktop 43%
Speed boat
Workstation 5%
Tree trunk

System: Dell Latitude E7470


Popular hynix SC308 SATA 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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How it works

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  • - 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
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  • - Compare your components to the current market leaders
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Solid State Drive Rankings (Price vs Performance) December 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.


1072 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 $270Nvidia RTX 4060 $295Crucial MX500 250GB $30
Intel Core i5-12400F $146Nvidia RTX 4060-Ti $360Samsung 850 Evo 120GB $80
Intel Core i5-12600K $189Nvidia RTX 3060-Ti $340Samsung 860 Evo 250GB $49
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $42SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $50G.SKILL Trident Z DDR4 3200 C14 4x16GB $357SanDisk Ultra Fit 32GB $16
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