WDC

CL SN520 SDAPNUW-256G-1022 256GB

CL SN520 SDAPNUW-256G-1022 2...
BENCHMARKS (10)
MKT (0%)
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Effective Speed +59% Effective Speed 59%Average Score +64% Read 99%, Write 111%, 4K Read 6%, 4K Write 48%, Mixed 117%, 4K Mixed 28%, SusWrite 38%Peak Score +71% Read 129%, Write 133%, 4K Read 7%, 4K Write 47%, Mixed 136%, 4K Mixed 26%, SusWrite 20%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +143% DQ Read 133%, DQ Write 234%, DQ Mixed 120%, ADQ Read 120%, ADQ Write 174%, ADQ Mixed 124%, Age 92%, AS-SSD Total 145%

Average Bench: 156% (146^th of 1072)

Based on 10 user benchmarks. Model: WDC CL SN520 SDAPNUW-256G-1022

Poor: 91%Average: 156% Great: 186%

Popular builds with this SSD

Asus Z170 PRO GAMING (1)

Outstanding average bench

The WDC CL SN520 SDAPNUW-256G-1022 256GB averaged 56.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC CL SN520 SDAPNUW-256G-1022 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 584MB/s

Avg. 4K-64Thread Write Speed 791MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC CL SN520 SDAPNUW-256G-1022 256GB is 95%. This is a particularly wide range which indicates that the WDC CL SN520 SDAPNUW-256G-1022 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 408MB/s

Avg. 4K Random Read Speed 36.5MB/s

Average Bench

(Based on 10 samples)

Rank 146156%

Min	Avg	Max
604	Read 912	1,162
342	Write 854	1,129
437	Mixed 779	998
279	SusWrite 408	463
166% 738 MB/s

Min	Avg	Max
19.8	4K Read 36.5	46
60.3	4K Write 130	180
27.4	4K Mixed 57.6	73.7
198% 74.7 MB/s

Min	Avg	Max
352	DQ Read 719	856
84.6	DQ Write 791	1195
136	DQ Mixed 584	728
487% 698 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

RUS-User, 3 years ago.

115GB free

Firmware: 20120022

SusWrite @10s intervals: 483 394 391 389 394 393 MB/s

186% Outstanding

Write 1,129

Mixed 998

SusWrite 407

207% 924 MB/s

4K Read 42.9

4K Write 145

4K Mixed 63.9

224% 83.8 MB/s

DQ Read 855

DQ Write 1195

DQ Mixed 722

630% 924 MB/s

RUS-User, 3 years ago.

127GB free

Firmware: 20120022

SusWrite @10s intervals: 628 430 428 432 431 429 MB/s

179% Outstanding

Write 972

Mixed 908

SusWrite 463

189% 844 MB/s

4K Read 44.5

4K Write 145

4K Mixed 64.8

227% 84.9 MB/s

DQ Read 854

DQ Write 907

DQ Mixed 728

590% 830 MB/s

RUS-User, 3 years ago.

110GB free (System drive)

Firmware: 20120022

SusWrite @10s intervals: 483 425 370 362 346 337 MB/s

178% Outstanding

Write 1,005

Mixed 904

SusWrite 387

188% 841 MB/s

4K Read 39.9

4K Write 158

4K Mixed 60.5

222% 86.1 MB/s

DQ Read 778

DQ Write 1,183

DQ Mixed 725

620% 895 MB/s

CHE-User, 15 months ago.

180GB free (System drive)

Firmware: 20120022

SusWrite @10s intervals: 435 418 425 424 423 422 MB/s

166% Outstanding

Write 1,115

Mixed 915

SusWrite 424

202% 902 MB/s

4K Read 38.9

4K Write 109

4K Mixed 56.9

189% 68.2 MB/s

DQ Read 832

DQ Write 732

DQ Mixed 726

559% 763 MB/s

CHE-User, 16 months ago.

114GB free (System drive)

Firmware: 20120022

SusWrite @10s intervals: 404 320 368 316 291 299 MB/s

106% Outstanding

Write 992

Mixed 782

SusWrite 333

165% 732 MB/s

4K Read 25.2

4K Write 84.8

4K Mixed 38.6

132% 49.5 MB/s

DQ Read 455

DQ Write 84.6

DQ Mixed 136

134% 225 MB/s

RUS-User, 3 years ago.

112GB free (System drive)

Firmware: 20120022

SusWrite @10s intervals: 279 232 285 325 272 279 MB/s

91% Outstanding

Write 342

Mixed 437

SusWrite 279

93% 415 MB/s

4K Read 19.8

4K Write 77.4

4K Mixed 27.4

106% 41.5 MB/s

DQ Read 425

DQ Write 358

DQ Mixed 308

253% 364 MB/s

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,717,986 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 CL SN520 SDAPNUW-256G-1022 256GB Builds (Compare 13,924 builds) See popular component choices, score breakdowns and rankings

Gaming 69%

Battle cruiser

Desktop 88%

Aircraft carrier

Workstation 59%

Gunboat

Motherboard: Asus Z170 PRO GAMING - $295

CPU
Core i7-6700KIntel $180Bench 81%, 588,978 samples	6,631x
Core i5-6600KIntel $81Bench 72%, 342,244 samples	3,676x
Core i7-6700Intel $180Bench 72%, 282,363 samples	1,045x

GPU
GTX 1070Nvidia $132Bench 80%, 1,459,281 samples	2,169x
GTX 1060-6GBNvidia $117Bench 56%, 1,368,019 samples	1,383x
GTX 1080Nvidia $400Bench 102%, 1,082,454 samples	1,251x

SSD
CL SN520 SDAPNUW-256G-1022 256GBWDCBench 156%, 10 samples	1x

RAM
Vengeance LPX DDR4 3000 C15 2x8GBCorsair $43Bench 82%, 606,405 samples	809x
Vengeance LPX DDR4 3200 C16 2x8GBCorsair $45Bench 85%, 653,654 samples	567x
Fury DDR4 2133 C14 2x8GBHyperX $125Bench 73%, 59,072 samples	560x

EDIT WITH CUSTOM PC BUILDER

Value: 118% - Outstanding

Total price: $650

Popular CL SN520 SDAPNUW-256G-1022 256GB compatible motherboards:

Asus Z170 PRO GAMING (1)

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

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ProGaming

CPU

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HDD

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USB

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]

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 $273	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

WDC

CL SN520 SDAPNUW-256G-1022 256GB

Average Bench: 156% (146^th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Asus Z170 PRO GAMING - $295

Popular CL SN520 SDAPNUW-256G-1022 256GB compatible motherboards:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

WDC

CL SN520 SDAPNUW-256G-1022 256GB

Average Bench: 156% (146th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Asus Z170 PRO GAMING - $295

Popular CL SN520 SDAPNUW-256G-1022 256GB compatible motherboards:

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: 156% (146^th of 1072)