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Nvme

SK hynix PC401 H 256GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 131% (176th of 1072)

Based on 106 user benchmarks.  Model: NVMe SK hynix PC401 H
Poor: 84%Average: 131% Great: 169%

Popular builds with this SSD

Outstanding average bench

The Nvme SK hynix PC401 H 256GB averaged 31.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme SK hynix PC401 H 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 310MB/s
Avg. Sequential Read Speed 971MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme SK hynix PC401 H 256GB is 84.9%. This is a particularly wide range which indicates that the Nvme SK hynix PC401 H 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 269MB/s
Avg. Sequential Write Speed 487MB/s
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Average Bench

(Based on 106 samples)
Rank 176131%
Min Avg Max
584 Read 971 1,268
95.2 Write 487 761
140 Mixed 689 1,036
93.5 SusWrite 269 330
134% 604 MB/s
Min Avg Max
21.3 4K Read 40.3 49.4
56.1 4K Write 107 162
20.2 4K Mixed 47.3 70.1
179% 65 MB/s
Min Avg Max
316 DQ Read 523 604
97.3 DQ Write 409 751
72 DQ Mixed 310 637
274% 414 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
181GB free (System drive)
Firmware: 80000E00 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 341 308 311 311 313 313 MB/s
121% Outstanding
Read 837
Write 688
Mixed 887
SusWrite 316
153% 682 MB/s
4K Read 36.2
4K Write 73.4
4K Mixed 48.4
156% 52.7 MB/s
DQ Read 540
DQ Write 326
DQ Mixed 439
326% 435 MB/s
171GB free (System drive)
Firmware: 80000E00 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 322 304 310 310 310 308 MB/s
106% Outstanding
Read 875
Write 452
Mixed 868
SusWrite 311
140% 626 MB/s
4K Read 26.8
4K Write 56.3
4K Mixed 37.3
118% 40.1 MB/s
DQ Read 397
DQ Write 279
DQ Mixed 307
238% 328 MB/s
186GB free (System drive)
Firmware: 80000E00 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 316 309 297 309 312 298 MB/s
85.6% Excellent
Read 623
Write 627
Mixed 585
SusWrite 307
120% 535 MB/s
4K Read 21.3
4K Write 36.5
4K Mixed 26.9
86% 28.2 MB/s
DQ Read 333
DQ Write 341
DQ Mixed 250
212% 308 MB/s
38GB free (System drive)
Firmware: 80000E00 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 90 77 74 64 74 76 MB/s
75.9% Very good
Read 688
Write 89.7
Mixed 126
SusWrite 75.9
53% 245 MB/s
4K Read 26.6
4K Write 56.8
4K Mixed 26.4
104% 36.6 MB/s
DQ Read 446
DQ Write 92.4
DQ Mixed 52.3
94% 197 MB/s
3GB free (System drive)
Firmware: 80000E00 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 35 29 26 24 22 20 MB/s
71.5% Very good
Read 857
Write 43.4
Mixed 63.6
SusWrite 25.8
52% 247 MB/s
4K Read 26.8
4K Write 39.8
4K Mixed 21.7
90% 29.4 MB/s
DQ Read 344
DQ Write 43.4
DQ Mixed 80.1
88% 156 MB/s
155GB free (System drive)
Firmware: 80000E00 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 261 159 201 183 136 91 MB/s
47.4% Average
Read 519
Write 560
Mixed 458
SusWrite 172
96% 427 MB/s
4K Read 11.3
4K Write 18.3
4K Mixed 13.4
44% 14.3 MB/s
DQ Read 57.7
DQ Write 50.4
DQ Mixed 54.5
41% 54.2 MB/s
106 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,737,343 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 SK hynix PC401 H 256GB Builds (Compare 3,260 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 69%
Battle cruiser
Workstation
Workstation 11%
Tree trunk

Motherboard: Dell Precision Tower 3620

CPU
Core i7-6700Intel  $180Bench 72%, 282,363 samples842x
Core i7-7700Intel  $167Bench 76%, 256,717 samples531x
Core i7-7700KIntel  $230Bench 84%, 712,312 samples266x
GPU
HD 530 (Desktop Skylake)IntelBench 5%, 188,220 samples326x
HD 630 (Desktop Kaby Lake)IntelBench 5%, 153,031 samples247x
Quadro M2000NvidiaBench 21%, 5,678 samples205x
SSD
SK hynix PC401 H 256GBNvmeBench 131%, 106 samples1x
RAM
HMA41GU6AFR8N-TF 2x8GBUnknownBench 72%, 2,345 samples206x
HMA81GU6AFR8N-UH 2x8GBUnknownBench 73%, 3,256 samples175x
HMA41GU6AFR8N-TF 4x8GBUnknownBench 72%, 714 samples125x
EDIT WITH CUSTOM PC BUILDER Value: 82% - Excellent Total price: $180

Popular SK hynix PC401 H 256GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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) April 2024 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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1072 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 i5-13600K $269Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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