Nvme

SK hynix BC511 H 256GB

SK hynix BC511 H 256GB
BENCHMARKS (85)
MKT (0%)
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Effective Speed +43% Effective Speed 43%Average Score +55% Read 93%, Write 97%, 4K Read 19%, 4K Write 9%, Mixed 124%, 4K Mixed 19%, SusWrite 24%Peak Score +64% Read 106%, Write 92%, 4K Read 28%, 4K Write 19%, Mixed 130%, 4K Mixed 27%, SusWrite 48%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +105% DQ Read 122%, DQ Write 109%, DQ Mixed 106%, ADQ Read 103%, ADQ Write 85%, ADQ Mixed 88%, Age 129%, AS-SSD Total 99%

Average Bench: 141% (167^th of 1072)

Based on 85 user benchmarks. Model: NVMe SK hynix BC511 H

Poor: 93%Average: 141% Great: 176%

Popular builds with this SSD

Outstanding average bench

The Nvme SK hynix BC511 H 256GB averaged 40.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme SK hynix BC511 H 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 488MB/s

Avg. 4K-64Thread Read Speed 664MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme SK hynix BC511 H 256GB is 82.4%. This is a particularly wide range which indicates that the Nvme SK hynix BC511 H 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 368MB/s

Avg. 4K Random Write Speed 95.6MB/s

Average Bench

(Based on 85 samples)

Rank 167141%

Min	Avg	Max
575	Read 883	1,045
436	Write 800	929
281	Mixed 805	975
161	SusWrite 368	573
160% 714 MB/s

Min	Avg	Max
17.2	4K Read 41	54.8
48	4K Write 95.6	145
23.9	4K Mixed 53.4	73.9
181% 63.3 MB/s

Min	Avg	Max
296	DQ Read 664	813
126	DQ Write 534	750
110	DQ Mixed 488	683
395% 562 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

USA-User, 2 months ago.

80GB free

Firmware: HPS0 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 488 301 334 341 324 304 MB/s

165% Outstanding

Write 788

Mixed 989

SusWrite 349

178% 795 MB/s

4K Read 48.9

4K Write 110

4K Mixed 64.3

215% 74.5 MB/s

DQ Read 786

DQ Write 755

DQ Mixed 553

475% 698 MB/s

USA-User, 2 months ago.

186GB free (System drive)

Firmware: HPS0 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 457 349 364 352 352 352 MB/s

158% Outstanding

Write 920

Mixed 973

SusWrite 371

185% 824 MB/s

4K Read 48.1

4K Write 98.8

4K Mixed 59.6

202% 68.8 MB/s

DQ Read 814

DQ Write 620

DQ Mixed 657

508% 697 MB/s

FRA-User, 1 month ago.

140GB free (System drive)

Firmware: HPS0 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 973 619 311 306 313 317 MB/s

154% Outstanding

Write 938

Mixed 724

SusWrite 473

168% 745 MB/s

4K Read 40

4K Write 94.6

4K Mixed 57.4

184% 64 MB/s

DQ Read 768

DQ Write 750

DQ Mixed 676

531% 732 MB/s

EGY-User, 5 months ago.

195GB free (System drive)

Firmware: HPS0 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 845 828 444 316 314 310 MB/s

129% Outstanding

Write 829

Mixed 810

SusWrite 510

165% 732 MB/s

4K Read 30.9

4K Write 75.8

4K Mixed 41.3

140% 49.3 MB/s

DQ Read 627

DQ Write 408

DQ Mixed 473

365% 503 MB/s

USA-User, 4 months ago.

128GB free (System drive)

Firmware: HPS0 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 435 309 289 278 276 272 MB/s

122% Outstanding

Write 724

Mixed 868

SusWrite 310

150% 667 MB/s

4K Read 35.5

4K Write 69.2

4K Mixed 51.5

156% 52.1 MB/s

DQ Read 605

DQ Write 428

DQ Mixed 471

364% 501 MB/s

IRN-User, 4 months ago.

201GB free (System drive)

Firmware: HPS0 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 729 704 303 311 317 323 MB/s

121% Outstanding

Write 870

Mixed 883

SusWrite 448

174% 775 MB/s

4K Read 36.3

4K Write 57.6

4K Mixed 35.8

131% 43.2 MB/s

DQ Read 569

DQ Write 207

DQ Mixed 342

265% 373 MB/s

NGA-User, 3 months ago.

184GB free (System drive)

Firmware: HPS0 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 514 441 599 253 185 253 MB/s

73.7% Very good

Write 533

Mixed 516

SusWrite 374

109% 485 MB/s

4K Read 19.8

4K Write 31.3

4K Mixed 19.5

72% 23.5 MB/s

DQ Read 219

DQ Write 151

DQ Mixed 149

121% 173 MB/s

85 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,740,039 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 BC511 H 256GB Builds (Compare 1,142 builds) See popular component choices, score breakdowns and rankings

Gaming 16%

Surfboard

Desktop 77%

Battleship

Workstation 14%

Tree trunk

System: Dell XPS 8910

CPU
Core i7-6700Intel $180Bench 72%, 282,363 samples	830x
Core i7-6700KIntel $180Bench 81%, 588,978 samples	168x
Core i5-6400Intel $79Bench 61%, 171,457 samples	131x

GPU
GTX 750-TiNvidia $92Bench 17%, 309,423 samples	176x
HD 530 (Desktop Skylake)IntelBench 5%, 188,220 samples	148x
GTX 1070Nvidia $132Bench 80%, 1,459,281 samples	126x

SSD
SK hynix BC511 H 256GBNvmeBench 141%, 85 samples	1x

RAM
HMA82GU6MFR8N-TF 1x16GBHynixBench 39%, 5,448 samples	297x
16ATF2G64AZ-2G1B1 1x16GBMicronBench 39%, 1,618 samples	104x
8ATF51264AZ-2G1B1 2x4GBMicronBench 70%, 752 samples	38x

EDIT WITH CUSTOM PC BUILDER

Value: 69% - Good

Total price: $272

Popular SK hynix BC511 H 256GB systems:

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.

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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
- SkillBench (space shooter) tests user input accuracy
- Reports are generated and presented on userbenchmark.com
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- Compare your components to the current market leaders
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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]

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.

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 »

CPU	GPU	SSD
Intel Core i5-13600K $269	Nvidia RTX 4060 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Nvme

SK hynix BC511 H 256GB

Average Bench: 141% (167^th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 8910

Popular SK hynix BC511 H 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Nvme

SK hynix BC511 H 256GB

Average Bench: 141% (167th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 8910

Popular SK hynix BC511 H 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 141% (167^th of 1072)