Average Bench: 67.2% (615th of 1003)

Based on 1,916 user benchmarks.  Model: SK hynix SC308 SATA 256GB

Above average average bench

The SK hynix SC308 SATA 256GB averaged 32.7% 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 162MB/s
Avg. 4K-64Thread Read Speed 311MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC308 SATA 256GB is 33.7%. 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 216MB/s

Average Bench

(Based on 1,916 samples)
Min Avg Max
308 Read 388 458
192 Write 237 258
170 Mixed 197 218
137 SusWrite 216 251
57.8% 260 MB/s
Min Avg Max
8.6 4K Read 21.4 31.9
20.9 4K Write 59.5 95.2
10.3 4K Mixed 19.4 27.3
88.7% 33.4 MB/s
Min Avg Max
26.3 DQ Read 311 379
101 DQ Write 229 258
24.4 DQ Mixed 162 190
150% 234 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
60GB free (System drive)
Firmware: 30001P10
SusWrite @10s intervals: 199 221 206 139 77 87 MB/s
Read 417
Write 259
Mixed 200
SusWrite 155
57% 258 MB/s
4K Read 27.2
4K Write 67.8
4K Mixed 24.3
108% 39.8 MB/s
DQ Read 359
DQ Write 256
DQ Mixed 189
173% 268 MB/s
1,916 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,014,380 SSDs tested.

Typical hynix SC308 SATA 256GB Builds (Compare 15,614 builds) See popular component choices, score breakdowns and rankings.
Gaming 16%
Desktop 55%
Workstation 36%
Jet ski

System: Dell Inspiron 15 7000 Gaming - $789


Popular hynix SC308 SATA 256GB systems:

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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) June 2019 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.


1003 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 i7-8700K $365Nvidia GTX 1070 $335Samsung 850 Evo 250GB $85
AMD Ryzen 5 2600 $139Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $79SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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