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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

VS

Average Bench: 79.7% (398th of 996)

Based on 6,463 user benchmarks.  Model: SK hynix SC311 SATA 256GB
Poor: 55%Average: 79.7% Great: 95%

Popular builds with this SSD

Good average bench

The SK hynix SC311 SATA 256GB averaged 20.2% 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 293MB/s

Average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC311 SATA 256GB is 40.5%. 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 235MB/s
Avg. Sequential Mixed IO Speed 358MB/s
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Average Bench

(Based on 6,463 samples)
Rank 39879.7%
Min Avg Max
334 Read 437 493
258 Write 380 462
270 Mixed 358 415
160 SusWrite 235 264
79.1% 353 MB/s
Min Avg Max
10.2 4K Read 23.5 31.3
26.4 4K Write 61.6 88.8
13.7 4K Mixed 32.6 43.8
110% 39.2 MB/s
Min Avg Max
119 DQ Read 325 362
161 DQ Write 293 341
134 DQ Mixed 293 329
224% 303 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
199GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 423 245 231 232 232 231 MB/s
94.9% Outstanding
Read 498
Write 437
Mixed 394
SusWrite 266
89% 399 MB/s
4K Read 31.4
4K Write 76
4K Mixed 40.8
140% 49.4 MB/s
DQ Read 361
DQ Write 324
DQ Mixed 326
249% 337 MB/s
103GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 376 212 201 214 204 203 MB/s
88.6% Excellent
Read 467
Write 450
Mixed 393
SusWrite 235
87% 386 MB/s
4K Read 26.2
4K Write 69.1
4K Mixed 39.3
127% 44.9 MB/s
DQ Read 360
DQ Write 353
DQ Mixed 329
255% 347 MB/s
69GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 337 242 216 187 184 180 MB/s
85.8% Excellent
Read 486
Write 424
Mixed 379
SusWrite 224
85% 378 MB/s
4K Read 27.3
4K Write 64.4
4K Mixed 36.8
123% 42.8 MB/s
DQ Read 350
DQ Write 300
DQ Mixed 319
241% 323 MB/s
86GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 340 192 145 153 145 150 MB/s
81.5% Excellent
Read 486
Write 443
Mixed 399
SusWrite 188
85% 379 MB/s
4K Read 26.4
4K Write 58.5
4K Mixed 35.1
116% 40 MB/s
DQ Read 354
DQ Write 297
DQ Mixed 316
239% 322 MB/s
53GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 276 301 220 216 119 115 MB/s
77.1% Very good
Read 452
Write 284
Mixed 375
SusWrite 208
74% 330 MB/s
4K Read 21.8
4K Write 53
4K Mixed 31.7
102% 35.5 MB/s
DQ Read 354
DQ Write 296
DQ Mixed 314
238% 321 MB/s
53GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 259 192 138 121 104 125 MB/s
71.4% Very good
Read 461
Write 422
Mixed 390
SusWrite 156
80% 357 MB/s
4K Read 23.8
4K Write 54.9
4K Mixed 25.8
98% 34.8 MB/s
DQ Read 318
DQ Write 282
DQ Mixed 316
233% 305 MB/s
138GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 278 271 248 228 225 226 MB/s
64.3% Good
Read 424
Write 328
Mixed 306
SusWrite 246
73% 326 MB/s
4K Read 16.2
4K Write 17.5
4K Mixed 22.4
62% 18.7 MB/s
DQ Read 305
DQ Write 251
DQ Mixed 274
206% 277 MB/s
130GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 284 212 196 178 172 171 MB/s
60.1% Good
Read 262
Write 326
Mixed 296
SusWrite 202
61% 271 MB/s
4K Read 15.2
4K Write 40.7
4K Mixed 22.8
74% 26.2 MB/s
DQ Read 343
DQ Write 298
DQ Mixed 320
240% 320 MB/s
6,463 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 13,721,910 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 4,213 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 57%
Gunboat
Desktop
Desktop 73%
Battleship
Workstation
Workstation 69%
Battle cruiser

System: Dell Inspiron 5675

CPU
Ryzen 7 1700XAMD  $171Bench 90%, 56,669 samples1,443x
Ryzen 5 1400AMD  $126Bench 67%, 26,582 samples988x
Ryzen 7 1700AMD  $50Bench 85%, 89,722 samples788x
GPU
Radeon RX 580AMDBench 57%, 2,762 samples1,831x
Radeon RX 570AMDBench 46%, 1,482 samples1,031x
Radeon RX 560-BAMDBench 29%, 11,483 samples514x
SSD
hynix SC311 SATA 256GBSKBench 80%, 6,463 samples598x
RAM
M378A1K43CB2-CRC 1x8GBSamsungBench 40%, 7,942 samples375x
M378A1K43BB2-CRC 1x8GBSamsungBench 41%, 1,238 samples353x
KYXC0V-MID 1x16GBKingstonBench 42%, 581 samples327x
EDIT WITH CUSTOM PC BUILDER Value: 109% - Outstanding Total price: $171

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.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) April 2019 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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996 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 i7-8700K $366Nvidia GTX 1070 $379Samsung 850 Evo 250GB $100
AMD Ryzen 5 2600 $159Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $80
AMD Ryzen 5 1600 $115Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $93
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $95SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $711SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $100SanDisk Ultra Fit 32GB $12
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