Average Bench: 60.9% (490th of 859)

Based on 803 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 19.5%. 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 14.6MB/s
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Average Bench

(Based on 803 samples)
Min Avg Max
410 Read 458 489
304 Write 315 327
364 Mixed 374 388
84.9% 382 MB/s
Min Avg Max
10.1 4K Read 18.7 24.6
23.9 4K Write 58 82.3
3.26 4K Mixed 3.77 4.14
63.8% 26.8 MB/s
Min Avg Max
15.5 DQ Read 92.6 200
46.3 DQ Write 169 254
3.3 DQ Mixed 14.6 28.6
43.9% 92.1 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
11GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 491
Write 324
Mixed 380
88% 399 MB/s
4K Read 23.2
4K Write 72.4
4K Mixed 3.84
78% 33.1 MB/s
DQ Read 173
DQ Write 263
DQ Mixed 3.64
63% 147 MB/s
26GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 466
Write 327
Mixed 382
87% 392 MB/s
4K Read 21.3
4K Write 64.2
4K Mixed 3.97
71% 29.8 MB/s
DQ Read 203
DQ Write 246
DQ Mixed 27.5
75% 159 MB/s
145GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 452
Write 324
Mixed 369
85% 382 MB/s
4K Read 18.9
4K Write 62.2
4K Mixed 3.88
66% 28.3 MB/s
DQ Read 160
DQ Write 210
DQ Mixed 23.3
63% 131 MB/s
74GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 466
Write 318
Mixed 380
86% 388 MB/s
4K Read 22.4
4K Write 65.2
4K Mixed 3.92
73% 30.5 MB/s
DQ Read 24.2
DQ Write 72.8
DQ Mixed 3.98
16% 33.7 MB/s
803 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,837,917 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 5,259 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
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) September 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

859 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 $297Nvidia GTX 1070 $410Samsung 850 Evo 250GB $95
AMD Ryzen 7 1700 $270AMD RX 480 $350Samsung 850 Pro 256GB $120
Intel Core i5-7600K $220Nvidia GTX 1060-6GB $265Samsung 850 Evo 500GB $150
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $724SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $77Corsair Vengeance LPX DDR4 3000 C15 2x8GB $152SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $56HyperX Fury DDR4 2133 C14 2x8GB $141SanDisk Extreme 16GB $20
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