Average Bench: 77.5% (513th of 1058)

Based on 18,810 user benchmarks.  Model: SK hynix SC311 SATA 256GB

Good average bench

The SK hynix SC311 SATA 256GB averaged 22.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the SK hynix SC311 SATA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 293MB/s
Avg. 4K-64Thread Write Speed 294MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC311 SATA 256GB is 39.3%. This is a relatively wide range which indicates that the SK hynix SC311 SATA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 217MB/s
Avg. Sequential Mixed IO Speed 357MB/s
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Average Bench

(Based on 18,810 samples)
Min Avg Max
322 Read 426 495
275 Write 385 460
276 Mixed 357 415
134 SusWrite 217 262
77.7% 346 MB/s
Min Avg Max
9.1 4K Read 22.6 31.3
25.8 4K Write 59.5 89
13.8 4K Mixed 32 43.6
107% 38.1 MB/s
Min Avg Max
219 DQ Read 335 362
128 DQ Write 294 347
143 DQ Mixed 293 328
225% 307 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
204GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 246 296 254 245 239 240 MB/s
Read 460
Write 295
Mixed 391
SusWrite 253
78% 350 MB/s
4K Read 25.3
4K Write 115
4K Mixed 42.9
154% 60.9 MB/s
DQ Read 361
DQ Write 334
DQ Mixed 328
252% 341 MB/s
74GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 281 264 262 238 224 221 MB/s
Read 456
Write 415
Mixed 386
SusWrite 248
84% 376 MB/s
4K Read 32.3
4K Write 91.5
4K Mixed 45
155% 56.3 MB/s
DQ Read 360
DQ Write 325
DQ Mixed 326
249% 337 MB/s
191GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 299 235 236 232 239 237 MB/s
Read 464
Write 431
Mixed 394
SusWrite 246
86% 384 MB/s
4K Read 25.7
4K Write 49.5
4K Mixed 33.3
108% 36.2 MB/s
DQ Read 362
DQ Write 338
DQ Mixed 328
252% 343 MB/s
163GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 309 245 230 234 227 159 MB/s
Read 385
Write 346
Mixed 330
SusWrite 234
73% 324 MB/s
4K Read 10.4
4K Write 84.5
4K Mixed 28.9
98% 41.3 MB/s
DQ Read 359
DQ Write 320
DQ Mixed 322
246% 334 MB/s
15GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 212 179 190 187 212 201 MB/s
Read 460
Write 228
Mixed 215
SusWrite 197
61% 275 MB/s
4K Read 22
4K Write 62.9
4K Mixed 25.2
99% 36.7 MB/s
DQ Read 270
DQ Write 247
DQ Mixed 205
168% 241 MB/s
198GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 277 256 236 233 230 230 MB/s
Read 358
Write 328
Mixed 297
SusWrite 244
69% 307 MB/s
4K Read 5.4
4K Write 8.1
4K Mixed 6.9
21% 6.8 MB/s
DQ Read 354
DQ Write 316
DQ Mixed 322
245% 330 MB/s
18,810 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 49,558,548 SSDs tested.

Typical hynix SC311 SATA 256GB Builds (Compare 4,807 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 72%
Battleship
Workstation
Workstation 11%
Tree trunk

System: Dell G5 5587

EDIT WITH CUSTOM PC BUILDER

Popular hynix SC311 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

  • - 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.
  • - 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.
  • - Explore your best upgrade options with a virtual PC build.
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Solid State Drive Rankings (Price vs Performance) December 2021 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]

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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.

 Comments

1058 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.
CPUGPUSSD
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Intel Core i5-11600K $220Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i5-11400F $196Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $76SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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