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SK

hynix SC311 SATA 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

VS

Average Bench: 78.3% (435th of 1003)

Based on 6,567 user benchmarks.  Model: SK hynix SC311 SATA 256GB
Poor: 56%Average: 78.3% Great: 93%

Popular builds with this SSD

Good average bench

The SK hynix SC311 SATA 256GB averaged 21.7% 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 290MB/s
Avg. 4K-64Thread Write Speed 296MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SK hynix SC311 SATA 256GB is 37.1%. 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 226MB/s
Avg. Sequential Mixed IO Speed 359MB/s
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Average Bench

(Based on 6,567 samples)
Rank 43578.3%
Min Avg Max
331 Read 435 493
273 Write 382 462
276 Mixed 359 414
149 SusWrite 226 262
78.6% 351 MB/s
Min Avg Max
10.7 4K Read 23 30
27.8 4K Write 58.8 83.6
15 4K Mixed 32 41.9
107% 37.9 MB/s
Min Avg Max
151 DQ Read 322 362
156 DQ Write 296 349
110 DQ Mixed 290 328
223% 303 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
153GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 341 263 230 225 222 227 MB/s
89.1% Excellent
Read 494
Write 439
Mixed 396
SusWrite 251
89% 395 MB/s
4K Read 27.8
4K Write 68.1
4K Mixed 37.8
127% 44.6 MB/s
DQ Read 354
DQ Write 302
DQ Mixed 319
242% 325 MB/s
141GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 296 271 251 226 211 224 MB/s
86.7% Excellent
Read 487
Write 419
Mixed 376
SusWrite 246
86% 382 MB/s
4K Read 26.9
4K Write 63.6
4K Mixed 36.5
121% 42.3 MB/s
DQ Read 353
DQ Write 293
DQ Mixed 310
236% 318 MB/s
215GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 316 260 261 244 240 242 MB/s
85.6% Excellent
Read 462
Write 424
Mixed 358
SusWrite 261
84% 376 MB/s
4K Read 17
4K Write 73.1
4K Mixed 38.3
114% 42.8 MB/s
DQ Read 355
DQ Write 327
DQ Mixed 325
248% 335 MB/s
177GB free (System drive)
Firmware: 70000P10
SusWrite @10s intervals: 267 274 249 240 237 236 MB/s
80.5% Excellent
Read 449
Write 381
Mixed 368
SusWrite 250
81% 362 MB/s
4K Read 15.8
4K Write 62.7
4K Mixed 35.7
103% 38.1 MB/s
DQ Read 353
DQ Write 292
DQ Mixed 313
237% 319 MB/s
6,567 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,196,174 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 4,529 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 56%
Gunboat
Desktop
Desktop 72%
Battleship
Workstation
Workstation 68%
Battle cruiser

System: Dell Inspiron 5675

CPU
Ryzen 7 1700XAMD  $158Bench 88%, 59,592 samples1,542x
Ryzen 5 1400AMD  $94Bench 66%, 27,855 samples1,082x
Ryzen 7 1700AMD  $235Bench 84%, 93,679 samples836x
GPU
Radeon RX 580AMDBench 57%, 2,989 samples1,941x
Radeon RX 570AMDBench 46%, 1,622 samples1,104x
Radeon RX 560-BAMDBench 28%, 15,098 samples556x
SSD
hynix SC311 SATA 256GBSKBench 78%, 6,567 samples624x
RAM
M378A1K43CB2-CRC 1x8GBSamsungBench 40%, 9,289 samples391x
M378A1K43BB2-CRC 1x8GBSamsungBench 41%, 1,218 samples380x
KYXC0V-MID 1x16GBKingstonBench 42%, 613 samples342x
EDIT WITH CUSTOM PC BUILDER Value: 111% - Outstanding Total price: $158

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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  • - CPU tests include: integer, floating and string.
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  • - Drive tests include: read, write, sustained write and mixed IO.
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Solid State Drive Rankings (Price vs Performance) June 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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1003 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 $350Nvidia GTX 1070 $335Samsung 850 Evo 250GB $101
AMD Ryzen 5 2600 $144Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $75SanDisk Ultra Fit 32GB $12
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