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Sn520

SDAPNUW-256G-1004 256GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 136% (173rd of 1072)

Based on 134 user benchmarks.  Model: SN520 SDAPNUW-256G-1004
Poor: 90%Average: 136% Great: 172%

Popular builds with this SSD

Outstanding average bench

The Sn520 SDAPNUW-256G-1004 256GB averaged 36.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Sn520 SDAPNUW-256G-1004 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 550MB/s
Avg. 4K-64Thread Read Speed 659MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Sn520 SDAPNUW-256G-1004 256GB is 82.1%. This is a particularly wide range which indicates that the Sn520 SDAPNUW-256G-1004 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 377MB/s
Avg. Sequential Mixed IO Speed 663MB/s
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Average Bench

(Based on 134 samples)
Rank 173136%
Min Avg Max
465 Read 805 1,175
366 Write 755 1,128
320 Mixed 663 926
237 SusWrite 377 447
146% 650 MB/s
Min Avg Max
17 4K Read 36.3 47.3
46.1 4K Write 112 165
21.8 4K Mixed 48.9 69.5
177% 65.8 MB/s
Min Avg Max
226 DQ Read 659 857
119 DQ Write 517 973
111 DQ Mixed 550 730
422% 575 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
70GB free (System drive)
Firmware: 20300004
SusWrite @10s intervals: 282 281 226 229 225 226 MB/s
168% Outstanding
Read 1,176
Write 1,160
Mixed 977
SusWrite 245
199% 890 MB/s
4K Read 47.9
4K Write 144
4K Mixed 68.5
237% 86.9 MB/s
DQ Read 859
DQ Write 603
DQ Mixed 722
541% 728 MB/s
206GB free (System drive)
Firmware: 20300004
SusWrite @10s intervals: 420 436 412 410 420 412 MB/s
116% Outstanding
Read 871
Write 955
Mixed 818
SusWrite 418
172% 766 MB/s
4K Read 29
4K Write 68.7
4K Mixed 34
124% 43.9 MB/s
DQ Read 476
DQ Write 298
DQ Mixed 403
296% 392 MB/s
199GB free (System drive)
Firmware: 20300004
SusWrite @10s intervals: 402 386 385 339 375 375 MB/s
98.7% Outstanding
Read 602
Write 533
Mixed 467
SusWrite 377
111% 495 MB/s
4K Read 27
4K Write 53.7
4K Mixed 32.5
111% 37.7 MB/s
DQ Read 606
DQ Write 167
DQ Mixed 480
329% 418 MB/s
55GB free (System drive)
Firmware: 20300004
SusWrite @10s intervals: 272 169 168 165 148 158 MB/s
80.9% Excellent
Read 645
Write 588
Mixed 603
SusWrite 180
113% 504 MB/s
4K Read 29.4
4K Write 45.6
4K Mixed 34.3
113% 36.4 MB/s
DQ Read 294
DQ Write 106
DQ Mixed 213
154% 204 MB/s
106GB free (System drive)
Firmware: 20300004
SusWrite @10s intervals: 309 217 237 227 211 176 MB/s
69.1% Good
Read 899
Write 622
Mixed 494
SusWrite 230
125% 561 MB/s
4K Read 22.7
4K Write 15.2
4K Mixed 11.7
57% 16.5 MB/s
DQ Read 64.8
DQ Write 32.2
DQ Mixed 58.7
41% 51.9 MB/s
134 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,667,229 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 SDAPNUW-256G-1004 256GB Builds (Compare 313 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 55%
Gunboat
Workstation
Workstation 9%
Tree trunk

System: Samsung 550XBE/350XBE

CPU
Core i5-8265UIntelBench 53%, 87,841 samples160x
Core i7-8565UIntelBench 55%, 81,207 samples77x
Celeron 4205UIntelBench 40%, 584 samples36x
GPU
UHD Graphics 620IntelBench 5%, 178,291 samples202x
UHD Graphics 610IntelBench 2%, 3,878 samples72x
MX110NvidiaBench 6%, 6,322 samples37x
SSD
SDAPNUW-256G-1004 256GBSn520Bench 136%, 134 samples1x
RAM
HTH5AN8G6NAFR-UHD 0194 SMS4TDC3C0K0446SCG 8GBUnknownBench 62%, 332 samples96x
SF4641G8CK8IEHLSBG 1x8GBUnknownBench 40%, 5,660 samples42x
SMS4TDC3C0K0446SCG 1x4GBUnknownBench 34%, 1,143 samples41x
EDIT WITH CUSTOM PC BUILDER

Popular SDAPNUW-256G-1004 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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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
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  • - 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 $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair 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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