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WDC

PC SN520 SDAPNUW-256G-1002 256GB

PC SN520 SDAPNUW-256G-1002 2...
BENCHMARKS (16,774)
MKT (0.1%)
BUILDS
(1)

Effective Speed -287%Effective Speed -287%Average Score -345%Read -374%, Write -485%, 4K Read -104%, 4K Write -103%, Mixed -372%, 4K Mixed -116%, SusWrite -862%Peak Score -395%Read -400%, Write -442%, 4K Read -289%, 4K Write -131%, Mixed -363%, 4K Mixed -212%, SusWrite -929%Value & Sentiment -504%User Rating -37%, Market Share -971%Nice To Haves -162%DQ Read -171%, DQ Write -95%, DQ Mixed -186%, ADQ Read -137%, ADQ Write -115%, ADQ Mixed -150%, Age -266%, AS-SSD Total -173%

Average Bench: 141% (175^th of 1080)

Based on 16,774 user benchmarks. Model: WDC PC SN520 SDAPNUW-256G-1002

Poor: 86%Average: 141% Great: 187%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1002 256GB averaged 40.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1002 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 594MB/s

Avg. 4K-64Thread Read Speed 721MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1002 256GB is 101%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1002 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 329MB/s

Avg. Sequential Mixed IO Speed 685MB/s

Average Bench

(Based on 16,774 samples)

Rank 175141%

Min	Avg	Max
534	Read 884	1,187
300	Write 798	1,188
335	Mixed 685	1,012
180	SusWrite 329	445
151% 674 MB/s

Min	Avg	Max
22.1	4K Read 43	48.5
37.2	4K Write 102	164
20.8	4K Mixed 51.1	69.8
184% 65.2 MB/s

Min	Avg	Max
397	DQ Read 721	858
202	DQ Write 584	973
247	DQ Mixed 594	734
461% 633 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

NLD-User, 6 hrs ago.

173GB free (System drive)

Firmware: 20110000

SusWrite @10s intervals: 348 320 279 305 298 316 MB/s

130% Outstanding

Write 620

Mixed 628

SusWrite 311

128% 570 MB/s

4K Read 36.5

4K Write 82.7

4K Mixed 54.2

169% 57.8 MB/s

DQ Read 739

DQ Write 593

DQ Mixed 650

491% 661 MB/s

CAN-User, 3 days ago.

89GB free (System drive)

Firmware: 20110000

SusWrite @10s intervals: 215 206 212 217 212 214 MB/s

128% Outstanding

Write 557

Mixed 481

SusWrite 212

116% 523 MB/s

4K Read 37.4

4K Write 94.2

4K Mixed 52.7

174% 61.4 MB/s

DQ Read 843

DQ Write 370

DQ Mixed 418

360% 544 MB/s

GRD-User, 2 days ago.

114GB free (System drive)

Firmware: 20110000

SusWrite @10s intervals: 371 284 228 230 223 219 MB/s

120% Outstanding

Write 1,096

Mixed 1,018

SusWrite 259

190% 845 MB/s

4K Read 37.9

4K Write 75.1

4K Mixed 48.8

160% 53.9 MB/s

DQ Read 345

DQ Write 281

DQ Mixed 182

172% 269 MB/s

LVA-User, 2 hrs ago.

106GB free (System drive)

Firmware: 20110000

SusWrite @10s intervals: 306 234 306 225 232 214 MB/s

120% Outstanding

Write 1,099

Mixed 475

SusWrite 253

147% 656 MB/s

4K Read 33.1

4K Write 77.5

4K Mixed 48

153% 52.9 MB/s

DQ Read 638

DQ Write 474

DQ Mixed 542

409% 552 MB/s

16,774 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 77,611,475 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 PC SN520 SDAPNUW-256G-1002 256GB Builds (Compare 3,496 builds) See popular component choices, score breakdowns and rankings

Gaming 9%

Tree trunk

Desktop 69%

Battle cruiser

Workstation 8%

Tree trunk

System: Asus ROG Strix G531GT_G531GT

CPU
Core i7-9750HIntelBench 73%, 328,182 samples	2,096x
Core i5-9300HIntelBench 65%, 116,682 samples	807x
Core i5-9300HIntelBench 68%, 23,588 samples	593x

GPU
UHD Graphics 630IntelBench 5%, 506,702 samples	1,859x
GTX 1650 (Mobile)NvidiaBench 41%, 92,838 samples	1,637x

SSD
PC SN520 SDAPNUW-256G-1002 256GBWDCBench 141%, 16,774 samples	462x

RAM
HMA81GS6JJR8N-VK 1x8GBHynixBench 40%, 48,644 samples	598x
M471A2K43DB1-CTD 1x16GBSamsungBench 42%, 21,753 samples	376x
M471A1K43DB1-CTD 1x8GBSamsungBench 40%, 54,121 samples	335x

EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-256G-1002 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
- 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) November 2024 SSD Rankings

Welcome to our 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.

1080 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 $210	Nvidia RTX 4060 $285	WD Black SN850X M.2 2TB $125
Intel Core i5-12600K $154	Nvidia RTX 4060-Ti $389	WD Black SN850X M.2 1TB $80
Intel Core i5-12400F $111	Nvidia RTX 4070 $500	Crucial T700 M.2 4TB $320

WDC

PC SN520 SDAPNUW-256G-1002 256GB