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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 78.3% (502nd of 1059)

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 50278.3%
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 Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
206GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 282 265 230 239 228 226 MB/s
86.7% Excellent
Read 456
Write 430
Mixed 384
SusWrite 245
85% 379 MB/s
4K Read 28.4
4K Write 67.2
4K Mixed 37.8
127% 44.5 MB/s
DQ Read 344
DQ Write 283
DQ Mixed 310
233% 312 MB/s
200GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 292 277 240 238 231 232 MB/s
83.4% Excellent
Read 432
Write 400
Mixed 373
SusWrite 252
82% 364 MB/s
4K Read 25.1
4K Write 62.1
4K Mixed 35.7
117% 41 MB/s
DQ Read 346
DQ Write 295
DQ Mixed 307
234% 316 MB/s
81GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 151 184 159 152 142 157 MB/s
77.4% Very good
Read 489
Write 457
Mixed 396
SusWrite 158
84% 375 MB/s
4K Read 28.2
4K Write 76.8
4K Mixed 30.3
122% 45.1 MB/s
DQ Read 298
DQ Write 199
DQ Mixed 125
127% 207 MB/s
126GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 261 178 178 195 194 188 MB/s
76.7% Very good
Read 445
Write 355
Mixed 364
SusWrite 199
76% 341 MB/s
4K Read 24.2
4K Write 56
4K Mixed 31.9
107% 37.4 MB/s
DQ Read 346
DQ Write 256
DQ Mixed 278
214% 294 MB/s
147GB free (System drive)
Firmware: 70002P10
SusWrite @10s intervals: 310 247 226 224 234 229 MB/s
66.2% Good
Read 430
Write 372
Mixed 339
SusWrite 245
78% 346 MB/s
4K Read 19.6
4K Write 41.9
4K Mixed 23.8
82% 28.4 MB/s
DQ Read 214
DQ Write 170
DQ Mixed 202
149% 196 MB/s
175GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 207 138 187 196 193 170 MB/s
48.5% Average
Read 329
Write 245
Mixed 244
SusWrite 182
56% 250 MB/s
4K Read 11.5
4K Write 25.5
4K Mixed 17.3
53% 18.1 MB/s
DQ Read 166
DQ Write 171
DQ Mixed 197
140% 178 MB/s
22,335 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 59,024,487 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 1,659 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 71%, 360,375 samples1,132x
Core i5-8300HIntelBench 71%, 154,293 samples495x
Core i9-8950HKIntelBench 77%, 15,192 samples32x
GPU
UHD Graphics 630IntelBench 5%, 473,480 samples771x
GTX 1060 (Mobile Max-Q)NvidiaBench 44%, 37,938 samples548x
GTX 1050-Ti (Mobile)NvidiaBench 31%, 113,256 samples311x
SSD
hynix SC311 SATA 256GBSKBench 78%, 22,335 samples133x
RAM
HMA81GS6CJR8N-VK 2x8GBUnknownBench 75%, 18,486 samples307x
8ATF1G64HZ-2G6E1 2x8GBUnknownBench 75%, 11,016 samples145x
HMA851S6CJR6N-VK 2x4GBUnknownBench 60%, 7,053 samples95x
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.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) October 2022 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.

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Speed Comparisons

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1059 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-12600K $278Nvidia RTX 3060-Ti $415Crucial MX500 250GB $38
Intel Core i5-12400F $170Nvidia RTX 3070 $550Samsung 850 Evo 120GB $106
Intel Core i7-12700K $397Nvidia RTX 3050 $280Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $53SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $60SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $453SanDisk Extreme 16GB $17
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