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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 78.9% (458th of 1026)

Based on 11,289 user benchmarks.  Model: SK hynix SC311 SATA 256GB
Poor: 54%Average: 78.9% Great: 97%

Popular builds with this SSD

Good average bench

The SK hynix SC311 SATA 256GB averaged 21.1% 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 295MB/s
Avg. 4K-64Thread Write Speed 296MB/s

Average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC311 SATA 256GB is 42.7%. 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 219MB/s
Avg. Sequential Mixed IO Speed 366MB/s
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Average Bench

(Based on 11,289 samples)
Rank 45878.9%
Min Avg Max
340 Read 439 499
277 Write 392 470
289 Mixed 366 421
133 SusWrite 219 266
79.4% 354 MB/s
Min Avg Max
11.5 4K Read 23.7 31.8
28.5 4K Write 59.8 92
15.9 4K Mixed 32.8 44.4
110% 38.7 MB/s
Min Avg Max
186 DQ Read 328 362
165 DQ Write 296 351
153 DQ Mixed 295 329
226% 306 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
79GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 239 296 247 236 210 188 MB/s
86.2% Excellent
Read 490
Write 462
Mixed 413
SusWrite 236
90% 400 MB/s
4K Read 26.4
4K Write 59.2
4K Mixed 35.4
117% 40.3 MB/s
DQ Read 358
DQ Write 351
DQ Mixed 325
252% 345 MB/s
90GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 211 184 270 235 232 227 MB/s
79.7% Very good
Read 449
Write 446
Mixed 340
SusWrite 226
82% 365 MB/s
4K Read 27.1
4K Write 79.2
4K Mixed 29.9
121% 45.4 MB/s
DQ Read 262
DQ Write 234
DQ Mixed 162
145% 220 MB/s
151GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 288 272 229 216 222 228 MB/s
78.9% Very good
Read 440
Write 395
Mixed 355
SusWrite 242
80% 358 MB/s
4K Read 23.9
4K Write 46.2
4K Mixed 30.4
100% 33.5 MB/s
DQ Read 360
DQ Write 332
DQ Mixed 326
250% 340 MB/s
86GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 307 256 219 178 203 219 MB/s
69.9% Good
Read 388
Write 385
Mixed 333
SusWrite 230
75% 334 MB/s
4K Read 20.5
4K Write 41.1
4K Mixed 23.4
83% 28.3 MB/s
DQ Read 350
DQ Write 315
DQ Mixed 324
245% 330 MB/s
158GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 282 218 207 214 205 204 MB/s
68.8% Good
Read 348
Write 284
Mixed 270
SusWrite 222
63% 281 MB/s
4K Read 19.2
4K Write 37.6
4K Mixed 26.3
83% 27.7 MB/s
DQ Read 357
DQ Write 334
DQ Mixed 328
251% 340 MB/s
11,289 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 28,474,557 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 7,727 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 68%
Battle cruiser
Workstation
Workstation 53%
Yacht

System: Dell G5 5587

CPU
Core i7-8750HIntelBench 79%, 246,260 samples5,327x
Core i5-8300HIntelBench 75%, 85,486 samples2,293x
Core i9-8950HKIntelBench 78%, 8,081 samples107x
GPU
UHD Graphics 630IntelBench 6%, 222,226 samples4,214x
GTX 1060 (Mobile Max-Q)NvidiaBench 44%, 21,795 samples2,227x
GTX 1050-Ti (Mobile)NvidiaBench 31%, 68,387 samples1,182x
SSD
hynix SC311 SATA 256GBSKBench 79%, 11,289 samples1,012x
RAM
HMA81GS6CJR8N-VK 2x8GBUnknownBench 75%, 11,831 samples1,685x
8ATF1G64HZ-2G6E1 2x8GBUnknownBench 75%, 6,902 samples886x
HMA851S6CJR6N-VK 2x4GBUnknownBench 60%, 4,763 samples717x
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.
  • - 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.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) July 2020 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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1026 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 i5-9600K $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $41Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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