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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 79.4% (441st of 1016)

Based on 9,924 user benchmarks.  Model: SK hynix SC311 SATA 256GB
Poor: 57%Average: 79.4% Great: 96%

Popular builds with this SSD

Good average bench

The SK hynix SC311 SATA 256GB averaged 20.5% 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 298MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC311 SATA 256GB is 39.2%. 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 222MB/s
Avg. Sequential Mixed IO Speed 361MB/s
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Average Bench

(Based on 9,924 samples)
Rank 44179.4%
Min Avg Max
338 Read 438 498
274 Write 387 469
272 Mixed 361 419
139 SusWrite 222 262
79% 352 MB/s
Min Avg Max
10.4 4K Read 23.5 31.3
27.9 4K Write 61.7 92.2
14.9 4K Mixed 33.1 44.4
111% 39.4 MB/s
Min Avg Max
157 DQ Read 327 362
171 DQ Write 298 351
149 DQ Mixed 293 329
225% 306 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
168GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 409 222 200 209 208 203 MB/s
88.4% Excellent
Read 498
Write 452
Mixed 403
SusWrite 242
89% 399 MB/s
4K Read 28.5
4K Write 65.9
4K Mixed 37.5
126% 44 MB/s
DQ Read 354
DQ Write 296
DQ Mixed 316
239% 322 MB/s
139GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 319 261 254 237 208 184 MB/s
87.7% Excellent
Read 463
Write 404
Mixed 374
SusWrite 244
83% 371 MB/s
4K Read 27.6
4K Write 69
4K Mixed 38
127% 44.9 MB/s
DQ Read 349
DQ Write 311
DQ Mixed 316
241% 325 MB/s
168GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 317 257 214 217 213 221 MB/s
84.3% Excellent
Read 417
Write 389
Mixed 372
SusWrite 240
80% 355 MB/s
4K Read 19.5
4K Write 80.4
4K Mixed 38.7
122% 46.2 MB/s
DQ Read 345
DQ Write 312
DQ Mixed 317
241% 325 MB/s
36GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 295 230 204 163 139 132 MB/s
72.9% Very good
Read 438
Write 355
Mixed 345
SusWrite 194
74% 333 MB/s
4K Read 22.8
4K Write 45
4K Mixed 30.2
97% 32.7 MB/s
DQ Read 323
DQ Write 267
DQ Mixed 288
218% 293 MB/s
192GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 396 242 227 182 236 235 MB/s
72.7% Very good
Read 429
Write 241
Mixed 365
SusWrite 253
72% 322 MB/s
4K Read 26.3
4K Write 65.2
4K Mixed 36.8
122% 42.8 MB/s
DQ Read 26.4
DQ Write 64.1
DQ Mixed 36.3
30% 42.3 MB/s
60GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 352 197 177 162 159 164 MB/s
72.6% Very good
Read 404
Write 343
Mixed 355
SusWrite 202
73% 326 MB/s
4K Read 22.6
4K Write 58.9
4K Mixed 34.6
110% 38.7 MB/s
DQ Read 101
DQ Write 328
DQ Mixed 318
213% 249 MB/s
75GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 310 213 203 193 184 195 MB/s
70.6% Very good
Read 369
Write 307
Mixed 292
SusWrite 216
66% 296 MB/s
4K Read 15.8
4K Write 46.1
4K Mixed 29.3
86% 30.4 MB/s
DQ Read 361
DQ Write 330
DQ Mixed 327
250% 339 MB/s
9,924 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,624,497 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 6,090 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Surfboard
Desktop
Desktop 63%
Destroyer
Workstation
Workstation 46%
Yacht

System: Dell G5 5587

CPU
Core i7-8750HIntelBench 73%, 206,053 samples4,219x
Core i5-8300HIntelBench 66%, 62,986 samples1,783x
Core i9-8950HKIntelBench 77%, 6,755 samples88x
GPU
UHD Graphics 630IntelBench 6%, 147,791 samples3,411x
GTX 1060 (Mobile Max-Q)NvidiaBench 43%, 17,993 samples1,690x
GTX 1050-Ti (Mobile)NvidiaBench 31%, 49,897 samples905x
SSD
hynix SC311 SATA 256GBSKBench 79%, 9,924 samples812x
RAM
HMA81GS6CJR8N-VK 2x8GBUnknownBench 75%, 9,324 samples1,329x
8ATF1G64HZ-2G6E1 2x8GBUnknownBench 76%, 4,894 samples727x
HMA851S6CJR6N-VK 2x4GBUnknownBench 61%, 3,893 samples598x
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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Gaming Desktop Workstation

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.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) January 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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1016 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 i5-9400F $155Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9600K $218Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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