Average Bench: 61.1% (480th of 850)

Based on 643 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 38.8% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Sequential Read Speed 458MB/s
Avg. 4K Random Write Speed 58.6MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is just 19.4%. This is a relatively narrow range which indicates that the Sandisk Z400s M.2 2280 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Mixed IO Speed 3.78MB/s
Avg. 4K-64Thread Mixed IO Speed 14.7MB/s
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Average Bench

(Based on 643 samples)
Min Avg Max
412 Read 458 488
307 Write 318 327
368 Mixed 377 388
85.4% 384 MB/s
Min Avg Max
10.3 4K Read 18.6 24.7
24.3 4K Write 58.6 82.6
3.31 4K Mixed 3.78 4.13
64% 27 MB/s
Min Avg Max
15.3 DQ Read 94.7 198
45.3 DQ Write 167 255
3.3 DQ Mixed 14.7 28.6
44% 92.3 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
161GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 495
Write 323
Mixed 382
89% 400 MB/s
4K Read 24.3
4K Write 71
4K Mixed 3.6
79% 33 MB/s
DQ Read 191
DQ Write 253
DQ Mixed 26.2
74% 157 MB/s
238GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 450
Write 328
Mixed 388
86% 389 MB/s
4K Read 23.8
4K Write 75.3
4K Mixed 4.23
81% 34.5 MB/s
DQ Read 107
DQ Write 254
DQ Mixed 25.2
64% 129 MB/s
8GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 497
Write 314
Mixed 377
88% 396 MB/s
4K Read 18.6
4K Write 56.7
4K Mixed 4.12
64% 26.5 MB/s
DQ Read 172
DQ Write 250
DQ Mixed 27
72% 150 MB/s
100GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 465
Write 297
Mixed 375
84% 379 MB/s
4K Read 16.7
4K Write 59.1
4K Mixed 3.87
62% 26.5 MB/s
DQ Read 198
DQ Write 230
DQ Mixed 28
73% 152 MB/s
101GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 477
Write 323
Mixed 383
88% 394 MB/s
4K Read 18.4
4K Write 73
4K Mixed 3.73
71% 31.7 MB/s
DQ Read 19.1
DQ Write 62.1
DQ Mixed 3.72
14% 28.3 MB/s
101GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 415
Write 321
Mixed 381
83% 372 MB/s
4K Read 18.7
4K Write 73
4K Mixed 3.7
72% 31.8 MB/s
DQ Read 19.8
DQ Write 66.9
DQ Mixed 13.8
19% 33.5 MB/s
28GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 472
Write 328
Mixed 379
87% 393 MB/s
4K Read 21.3
4K Write 46.7
4K Mixed 3.91
62% 24 MB/s
DQ Read 21.2
DQ Write 43.6
DQ Mixed 3.8
11% 22.9 MB/s
20GB free
Firmware: Z2327012
SYSTEM 4KALIGNED
Read 459
Write 325
Mixed 391
87% 392 MB/s
4K Read 10.3
4K Write 28.2
4K Mixed 3.8
35% 14.1 MB/s
DQ Read 179
DQ Write 231
DQ Mixed 3.48
59% 138 MB/s
41GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 447
Write 318
Mixed 373
84% 379 MB/s
4K Read 8.21
4K Write 10.7
4K Mixed 3.51
23% 7.47 MB/s
DQ Read 162
DQ Write 215
DQ Mixed 27
65% 135 MB/s
643 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,840,484 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 3,952 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Surfboard
Desktop
Desktop 52%
Yacht
Workstation
Workstation 34%
Sail boat

System: Dell Inspiron 7559

EDIT WITH CUSTOM PC BUILDER

Popular Z400s M.2 2280 256GB systems:

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

Welcome to our freeware 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 upgrades.

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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
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Solid State Drive Rankings (Price vs Performance) May 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

850 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

 Best User Rated

The Best.
CPUGPUSSD
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Intel Core i5-7600K $239AMD RX 480 $220Samsung 850 Pro 256GB $127
AMD Ryzen 7 1700 $300Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $165
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $700SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46Corsair Vengeance LPX DDR4 3200 C16 2x8GB $136SanDisk Ultra Fit 32GB $13
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