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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 77.7% (490th of 1040)

Based on 11,668 user benchmarks.  Model: SK hynix SC311 SATA 256GB
Poor: 54%Average: 77.7% Great: 95%

Popular builds with this SSD

Good average bench

The SK hynix SC311 SATA 256GB averaged 22.3% 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 291MB/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 41.3%. 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 214MB/s
Avg. Sequential Mixed IO Speed 362MB/s
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Average Bench

(Based on 11,668 samples)
Rank 49077.7%
Min Avg Max
325 Read 433 498
277 Write 388 469
272 Mixed 362 419
138 SusWrite 214 266
78.3% 349 MB/s
Min Avg Max
10.2 4K Read 23 31.4
25.8 4K Write 59.8 89.6
13.9 4K Mixed 32.3 43.6
108% 38.3 MB/s
Min Avg Max
167 DQ Read 324 362
143 DQ Write 296 352
126 DQ Mixed 291 329
223% 303 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: 382 249 220 230 215 188 MB/s
87.9% Excellent
Read 491
Write 322
Mixed 393
SusWrite 247
81% 363 MB/s
4K Read 27.8
4K Write 65.6
4K Mixed 36.8
124% 43.4 MB/s
DQ Read 354
DQ Write 301
DQ Mixed 318
241% 324 MB/s
51GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 232 231 266 269 222 208 MB/s
87.2% Excellent
Read 449
Write 413
Mixed 392
SusWrite 238
84% 373 MB/s
4K Read 28.1
4K Write 86.3
4K Mixed 36.6
135% 50.3 MB/s
DQ Read 288
DQ Write 300
DQ Mixed 176
165% 255 MB/s
79GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 356 262 232 230 172 141 MB/s
85.8% Excellent
Read 492
Write 441
Mixed 392
SusWrite 232
87% 389 MB/s
4K Read 27.5
4K Write 65.9
4K Mixed 36.7
124% 43.4 MB/s
DQ Read 355
DQ Write 249
DQ Mixed 318
233% 307 MB/s
153GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 334 287 241 222 239 218 MB/s
83.1% Excellent
Read 408
Write 365
Mixed 359
SusWrite 257
78% 347 MB/s
4K Read 15.1
4K Write 73.6
4K Mixed 39.2
112% 42.6 MB/s
DQ Read 362
DQ Write 325
DQ Mixed 327
250% 338 MB/s
79GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 346 177 170 152 148 147 MB/s
77.7% Very good
Read 436
Write 385
Mixed 361
SusWrite 190
77% 343 MB/s
4K Read 22.3
4K Write 58.3
4K Mixed 34.4
109% 38.3 MB/s
DQ Read 353
DQ Write 300
DQ Mixed 315
239% 323 MB/s
11,668 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 32,763,914 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 2,391 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 73%
Battleship
Workstation
Workstation 12%
Tree trunk

System: Dell G5 5587

CPU
Core i7-8750HIntelBench 78%, 286,692 samples1,598x
Core i5-8300HIntelBench 74%, 102,195 samples766x
Core i9-8950HKIntelBench 80%, 10,799 samples27x
GPU
UHD Graphics 630IntelBench 6%, 266,216 samples1,131x
GTX 1060 (Mobile Max-Q)NvidiaBench 45%, 23,237 samples805x
GTX 1050-Ti (Mobile)NvidiaBench 31%, 72,676 samples426x
SSD
hynix SC311 SATA 256GBSKBench 78%, 11,668 samples273x
RAM
HMA81GS6CJR8N-VK 2x8GBUnknownBench 76%, 11,847 samples489x
8ATF1G64HZ-2G6E1 2x8GBUnknownBench 76%, 7,312 samples231x
HMA851S6CJR6N-VK 2x4GBUnknownBench 60%, 5,378 samples165x
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.
  • - Explore your best upgrade options with a virtual PC build.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) October 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

vs Crucial MX500 250GB
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vs Samsung 850 Evo 250GB
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vs Crucial MX300 525GB

1040 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 $199Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $140Nvidia RTX 3080 $700Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $63SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
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