Average Bench: 61% (487th of 853)

Based on 729 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 39.0% 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 58MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is just 19.7%. 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 3.77MB/s
Avg. 4K-64Thread Mixed IO Speed 14.8MB/s
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Average Bench

(Based on 729 samples)
Min Avg Max
410 Read 458 488
304 Write 315 327
365 Mixed 375 388
85% 383 MB/s
Min Avg Max
10.1 4K Read 18.6 24.6
23.7 4K Write 58 82.3
3.27 4K Mixed 3.77 4.14
63.7% 26.8 MB/s
Min Avg Max
15.3 DQ Read 94.4 199
45.7 DQ Write 170 256
3.29 DQ Mixed 14.8 28.5
44.5% 93.2 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
104GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 424
Write 322
Mixed 379
84% 375 MB/s
4K Read 23.2
4K Write 66.7
4K Mixed 3.69
75% 31.2 MB/s
DQ Read 210
DQ Write 213
DQ Mixed 27.9
72% 150 MB/s
131GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 457
Write 319
Mixed 381
86% 386 MB/s
4K Read 21.6
4K Write 75.6
4K Mixed 3.79
78% 33.6 MB/s
DQ Read 20.9
DQ Write 251
DQ Mixed 22.6
51% 98.2 MB/s
58GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 473
Write 323
Mixed 384
87% 393 MB/s
4K Read 18.8
4K Write 57.4
4K Mixed 3.96
64% 26.7 MB/s
DQ Read 135
DQ Write 217
DQ Mixed 29.6
64% 127 MB/s
161GB free
Firmware: Z2327012
SYSTEM 4KALIGNED
Read 468
Write 324
Mixed 374
86% 389 MB/s
4K Read 20.4
4K Write 61.6
4K Mixed 4
69% 28.7 MB/s
DQ Read 21.6
DQ Write 210
DQ Mixed 21.3
44% 84.4 MB/s
208GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 441
Write 320
Mixed 387
85% 383 MB/s
4K Read 15.2
4K Write 61.3
4K Mixed 3.55
60% 26.7 MB/s
DQ Read 138
DQ Write 230
DQ Mixed 26.7
65% 132 MB/s
131GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 458
Write 323
Mixed 382
86% 388 MB/s
4K Read 16.2
4K Write 48.2
4K Mixed 3.59
55% 22.7 MB/s
DQ Read 18.5
DQ Write 244
DQ Mixed 19.3
48% 94 MB/s
13GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 409
Write 317
Mixed 373
82% 366 MB/s
4K Read 18.8
4K Write 38.6
4K Mixed 3.81
54% 20.4 MB/s
DQ Read 160
DQ Write 150
DQ Mixed 27.2
56% 112 MB/s
187GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 454
Write 311
Mixed 379
85% 382 MB/s
4K Read 9.82
4K Write 12.4
4K Mixed 3.58
26% 8.59 MB/s
DQ Read 207
DQ Write 217
DQ Mixed 24.5
70% 149 MB/s
729 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,339,136 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 4,649 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) July 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]

 Comments

853 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
Intel Core i7-7700K $309Nvidia GTX 1070 $390Samsung 850 Evo 250GB $83
AMD Ryzen 7 1700 $280AMD RX 480 $366Samsung 850 Pro 256GB $120
Intel Core i5-7600K $235Nvidia GTX 1060-6GB $33Samsung 850 Evo 500GB $155
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $714SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $44HyperX Fury DDR4 2133 C14 2x8GB $140SanDisk Ultra Fit 32GB $13
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