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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

VS

Average Bench: 78.4% (367th of 959)

Based on 3,364 user benchmarks.  Model: SK hynix SC311 SATA 256GB
Poor: 56%Average: 78.4% Great: 95%

Popular builds with this SSD

Good average bench

The SK hynix SC311 SATA 256GB averaged 21.6% 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 289MB/s
Avg. 4K-64Thread Write Speed 297MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC311 SATA 256GB is 39.7%. 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 239MB/s
Avg. Sequential Mixed IO Speed 355MB/s
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Average Bench

(Based on 3,364 samples)
Rank 36778.4%
Min Avg Max
335 Read 432 496
274 Write 378 463
270 Mixed 355 414
176 SusWrite 239 265
78.7% 351 MB/s
Min Avg Max
9.65 4K Read 22.6 30.9
27.8 4K Write 58.2 85.4
13.1 4K Mixed 31.4 42.9
105% 37.4 MB/s
Min Avg Max
107 DQ Read 321 362
199 DQ Write 297 349
109 DQ Mixed 289 329
222% 302 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
211GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 310 280 228 232 225 225 MB/s
96.9% Outstanding
Read 468
Write 447
Mixed 377
SusWrite 250
87% 386 MB/s
4K Read 32.2
4K Write 90.8
4K Mixed 44.2
154% 55.7 MB/s
DQ Read 357
DQ Write 330
DQ Mixed 327
250% 338 MB/s
169GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 334 268 216 222 222 232 MB/s
95% Outstanding
Read 492
Write 457
Mixed 395
SusWrite 249
89% 398 MB/s
4K Read 30.7
4K Write 83.5
4K Mixed 42.2
145% 52.1 MB/s
DQ Read 359
DQ Write 323
DQ Mixed 326
248% 336 MB/s
189GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 326 246 259 244 234 234 MB/s
90.1% Outstanding
Read 469
Write 400
Mixed 368
SusWrite 257
84% 374 MB/s
4K Read 26.4
4K Write 75.4
4K Mixed 38.6
129% 46.8 MB/s
DQ Read 363
DQ Write 327
DQ Mixed 317
245% 335 MB/s
88GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 308 257 228 234 232 222 MB/s
77.2% Very good
Read 429
Write 388
Mixed 359
SusWrite 247
80% 356 MB/s
4K Read 24.6
4K Write 49.4
4K Mixed 30.7
103% 34.9 MB/s
DQ Read 328
DQ Write 255
DQ Mixed 266
206% 283 MB/s
165GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 313 269 229 234 232 233 MB/s
67.5% Good
Read 357
Write 334
Mixed 322
SusWrite 252
71% 316 MB/s
4K Read 13.4
4K Write 45.5
4K Mixed 22.2
73% 27 MB/s
DQ Read 354
DQ Write 326
DQ Mixed 324
248% 335 MB/s
3,364 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,145,409 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 2,894 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 57%
Gunboat
Desktop
Desktop 72%
Battleship
Workstation
Workstation 68%
Battle cruiser

System: Dell Inspiron 5675

CPU
Ryzen 7 1700XAMD  $180Bench 89%, 37,698 samples1,042x
Ryzen 5 1400AMD  $134Bench 67%, 16,779 samples619x
Ryzen 7 1700AMD  $180Bench 85%, 63,009 samples579x
GPU
Radeon RX 580AMDBench 58%, 2,017 samples1,381x
Radeon RX 570AMDBench 46%, 717 samples712x
Radeon RX 560-BAMDBench 28%, 5,732 samples329x
SSD
hynix SC311 SATA 256GBSKBench 78%, 3,364 samples484x
RAM
M378A1K43BB2-CRC 1x8GBSamsungBench 41%, 984 samples265x
KYXC0V-MID 1x16GBKingstonBench 43%, 451 samples258x
M378A1K43CB2-CRC 1x8GBSamsungBench 41%, 4,875 samples226x
EDIT WITH CUSTOM PC BUILDER Value: 106% - Outstanding Total price: $180

Popular hynix SC311 SATA 256GB systems:

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  • - CPU tests include: integer, floating and string.
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Solid State Drive Rankings (Price vs Performance) October 2018 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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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 $380Nvidia GTX 1070 $323Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $98
Intel Core i7-7700K $350AMD RX 480 $280Samsung 850 Pro 256GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3000 C15 2x8GB $147SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $157SanDisk Ultra Fit 32GB $12
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