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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 78.3% (523rd of 1080)

Based on 22,335 user benchmarks.  Model: SK hynix SC311 SATA 256GB
Poor: 57%Average: 78.3% Great: 97%

Popular builds with this SSD

Good average bench

The SK hynix SC311 SATA 256GB averaged 21.7% 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 294MB/s
Avg. 4K-64Thread Write Speed 298MB/s

Average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC311 SATA 256GB is 40.4%. 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 225MB/s
Avg. Sequential Mixed IO Speed 358MB/s
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Average Bench

(Based on 22,335 samples)
Rank 52378.3%
Min Avg Max
328 Read 423 497
241 Write 381 466
269 Mixed 358 420
141 SusWrite 225 265
77.8% 347 MB/s
Min Avg Max
9.3 4K Read 22.5 32.1
28.4 4K Write 61.3 94.1
14 4K Mixed 32.2 44.7
108% 38.7 MB/s
Min Avg Max
226 DQ Read 336 362
169 DQ Write 298 351
152 DQ Mixed 294 329
227% 309 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
125GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 427 242 235 237 237 236 MB/s
91.8% Outstanding
Read 495
Write 472
Mixed 420
SusWrite 269
93% 414 MB/s
4K Read 28.4
4K Write 65.9
4K Mixed 38.4
127% 44.2 MB/s
DQ Read 360
DQ Write 358
DQ Mixed 330
256% 349 MB/s
85GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 343 185 174 160 162 160 MB/s
91.1% Outstanding
Read 494
Write 471
Mixed 422
SusWrite 197
89% 396 MB/s
4K Read 30
4K Write 79
4K Mixed 41.7
141% 50.2 MB/s
DQ Read 360
DQ Write 336
DQ Mixed 327
251% 341 MB/s
85GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 330 240 211 194 196 194 MB/s
87.1% Excellent
Read 428
Write 400
Mixed 364
SusWrite 228
80% 355 MB/s
4K Read 25.8
4K Write 74.8
4K Mixed 39.9
130% 46.8 MB/s
DQ Read 360
DQ Write 333
DQ Mixed 327
250% 340 MB/s
179GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 323 262 238 241 236 239 MB/s
79.1% Very good
Read 426
Write 375
Mixed 345
SusWrite 256
79% 351 MB/s
4K Read 23.7
4K Write 51.6
4K Mixed 31.3
103% 35.5 MB/s
DQ Read 348
DQ Write 288
DQ Mixed 309
234% 315 MB/s
84GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 273 217 147 147 144 137 MB/s
68% Good
Read 394
Write 379
Mixed 357
SusWrite 177
73% 327 MB/s
4K Read 16.4
4K Write 49.4
4K Mixed 26.7
85% 30.8 MB/s
DQ Read 349
DQ Write 312
DQ Mixed 320
243% 327 MB/s
148GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 304 229 229 218 199 208 MB/s
64.3% Good
Read 334
Write 321
Mixed 290
SusWrite 231
66% 294 MB/s
4K Read 15.3
4K Write 39.3
4K Mixed 24
75% 26.2 MB/s
DQ Read 331
DQ Write 271
DQ Mixed 292
221% 298 MB/s
165GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 302 189 195 243 238 239 MB/s
51.6% Above average
Read 362
Write 334
Mixed 327
SusWrite 234
71% 314 MB/s
4K Read 10
4K Write 18.1
4K Mixed 12.2
40% 13.4 MB/s
DQ Read 247
DQ Write 218
DQ Mixed 236
176% 234 MB/s
22,335 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 76,508,686 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical hynix SC311 SATA 256GB Builds (Compare 2,963 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 11%
Tree trunk

System: Dell G5 5587

CPU
Core i7-8750HIntelBench 70%, 442,631 samples2,078x
Core i5-8300HIntelBench 65%, 167,898 samples833x
Core i9-8950HKIntelBench 74%, 14,729 samples52x
GPU
UHD Graphics 630IntelBench 5%, 506,702 samples1,420x
GTX 1060 (Mobile Max-Q)NvidiaBench 43%, 36,643 samples902x
GTX 1050-Ti (Mobile)NvidiaBench 29%, 105,856 samples590x
SSD
hynix SC311 SATA 256GBSKBench 78%, 22,335 samples228x
RAM
HMA81GS6CJR8N-VK 2x8GBUnknownBench 75%, 18,486 samples539x
8ATF1G64HZ-2G6E1 2x8GBUnknownBench 75%, 11,016 samples252x
HMA81GS6CJR8N-VK 1x8GBUnknownBench 41%, 10,071 samples136x
EDIT WITH CUSTOM PC BUILDER

Popular hynix SC311 SATA 256GB systems:

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 Frequently Asked Questions

Storage Devices FAQ
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The Best
CPUGPUSSD
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Intel Core i5-12400F $110Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $85
Intel Core i5-13600K $235Nvidia RTX 4070 $499Crucial T700 M.2 4TB $342
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