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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 77.3% (516th of 1058)

Based on 15,641 user benchmarks.  Model: SK hynix SC311 SATA 256GB
Poor: 54%Average: 77.3% Great: 96%

Popular builds with this SSD

Good average bench

The SK hynix SC311 SATA 256GB averaged 22.7% 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 288MB/s
Avg. 4K-64Thread Write Speed 291MB/s

Average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC311 SATA 256GB is 41.6%. 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 216MB/s
Avg. Sequential Mixed IO Speed 358MB/s
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Average Bench

(Based on 15,641 samples)
Rank 51677.3%
Min Avg Max
326 Read 427 494
261 Write 382 464
272 Mixed 358 415
134 SusWrite 216 264
77.5% 346 MB/s
Min Avg Max
9.27 4K Read 22.4 31.1
28.7 4K Write 60 92.1
13.5 4K Mixed 32.2 43.9
107% 38.2 MB/s
Min Avg Max
183 DQ Read 327 362
123 DQ Write 291 351
116 DQ Mixed 288 329
222% 302 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
133GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 289 263 283 246 240 240 MB/s
96.8% Outstanding
Read 446
Write 407
Mixed 386
SusWrite 260
84% 375 MB/s
4K Read 31.4
4K Write 93.2
4K Mixed 44.3
154% 56.3 MB/s
DQ Read 361
DQ Write 334
DQ Mixed 329
252% 341 MB/s
99GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 255 295 244 228 222 216 MB/s
95.6% Outstanding
Read 495
Write 450
Mixed 398
SusWrite 244
89% 397 MB/s
4K Read 29.9
4K Write 92.5
4K Mixed 41.2
147% 54.5 MB/s
DQ Read 359
DQ Write 339
DQ Mixed 318
247% 339 MB/s
109GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 299 248 184 209 190 186 MB/s
83.5% Excellent
Read 429
Write 390
Mixed 370
SusWrite 219
79% 352 MB/s
4K Read 26.7
4K Write 66.8
4K Mixed 36.9
123% 43.5 MB/s
DQ Read 353
DQ Write 300
DQ Mixed 317
240% 323 MB/s
79GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 291 212 207 210 197 196 MB/s
82.1% Excellent
Read 418
Write 390
Mixed 362
SusWrite 219
78% 347 MB/s
4K Read 24.9
4K Write 64.5
4K Mixed 36.2
118% 41.9 MB/s
DQ Read 357
DQ Write 321
DQ Mixed 325
247% 334 MB/s
179GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 356 266 231 242 232 235 MB/s
78.1% Very good
Read 494
Write 470
Mixed 411
SusWrite 260
92% 409 MB/s
4K Read 27.4
4K Write 62.3
4K Mixed 36.1
121% 41.9 MB/s
DQ Read 25.6
DQ Write 185
DQ Mixed 287
168% 166 MB/s
41GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 228 238 255 189 174 168 MB/s
59.7% Above average
Read 389
Write 367
Mixed 342
SusWrite 209
73% 327 MB/s
4K Read 17.7
4K Write 31.8
4K Mixed 18.8
68% 22.8 MB/s
DQ Read 269
DQ Write 205
DQ Mixed 298
206% 257 MB/s
15,641 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,499,118 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 4,241 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 71%
Battleship
Workstation
Workstation 11%
Tree trunk

System: Dell G5 5587

CPU
Core i7-8750HIntelBench 77%, 365,444 samples2,856x
Core i5-8300HIntelBench 73%, 140,007 samples1,340x
Core i9-8950HKIntelBench 77%, 10,421 samples45x
GPU
UHD Graphics 630IntelBench 5%, 396,917 samples1,981x
GTX 1060 (Mobile Max-Q)NvidiaBench 43%, 31,420 samples1,411x
GTX 1050-Ti (Mobile)NvidiaBench 31%, 94,191 samples800x
SSD
hynix SC311 SATA 256GBSKBench 77%, 15,641 samples467x
RAM
HMA81GS6CJR8N-VK 2x8GBUnknownBench 75%, 16,250 samples853x
8ATF1G64HZ-2G6E1 2x8GBUnknownBench 74%, 9,384 samples392x
HMA81GS6CJR8N-VK 1x8GBUnknownBench 41%, 8,960 samples267x
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) August 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.

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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

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 i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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