Average Bench: 61% (490th of 863)

Based on 883 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 38.9% 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 58.3MB/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 14.7MB/s
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Average Bench

(Based on 883 samples)
Min Avg Max
410 Read 458 489
304 Write 315 327
362 Mixed 374 388
84.9% 382 MB/s
Min Avg Max
10.1 4K Read 19 25
23.8 4K Write 58.3 81.8
3.23 4K Mixed 3.77 4.16
64.5% 27 MB/s
Min Avg Max
15.5 DQ Read 90.8 198
49.3 DQ Write 168 255
3.31 DQ Mixed 14.7 29.1
43.6% 91.1 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
187GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 501
Write 328
Mixed 381
89% 403 MB/s
4K Read 26.1
4K Write 94.6
4K Mixed 4.2
95% 41.6 MB/s
DQ Read 202
DQ Write 278
DQ Mixed 27.8
80% 169 MB/s
163GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 427
Write 327
Mixed 377
84% 377 MB/s
4K Read 21.6
4K Write 61.2
4K Mixed 4.28
71% 29 MB/s
DQ Read 162
DQ Write 216
DQ Mixed 27.7
66% 135 MB/s
89GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 458
Write 323
Mixed 376
86% 386 MB/s
4K Read 22.3
4K Write 68.3
4K Mixed 3.88
75% 31.5 MB/s
DQ Read 24.9
DQ Write 249
DQ Mixed 3.83
42% 92.7 MB/s
66GB 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 379
88% 399 MB/s
4K Read 23.2
4K Write 66.3
4K Mixed 3.86
75% 31.1 MB/s
DQ Read 118
DQ Write 68.9
DQ Mixed 25.7
37% 70.7 MB/s
100GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 480
Write 328
Mixed 380
88% 396 MB/s
4K Read 20.7
4K Write 59.2
4K Mixed 4.12
68% 28 MB/s
DQ Read 22.7
DQ Write 79.5
DQ Mixed 21.5
25% 41.2 MB/s
60GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 457
Write 326
Mixed 384
86% 389 MB/s
4K Read 17.8
4K Write 48.6
4K Mixed 3.86
58% 23.4 MB/s
DQ Read 120
DQ Write 135
DQ Mixed 3.98
37% 86.2 MB/s
121GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 409
Write 305
Mixed 378
81% 364 MB/s
4K Read 10.6
4K Write 23.3
4K Mixed 3.26
33% 12.4 MB/s
DQ Read 71.1
DQ Write 63.4
DQ Mixed 19.5
28% 51.3 MB/s
883 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 4,480,081 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 4,467 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:

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  • - CPU tests include: integer, floating and string.
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Solid State Drive Rankings (Price vs Performance) November 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

863 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 $280Nvidia GTX 1070 $410Samsung 850 Evo 250GB $88
AMD Ryzen 7 1700 $250AMD RX 480 $240Samsung 850 Pro 256GB $110
Intel Core i5-7600K $180Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $150
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $160SanDisk Extreme 64GB $30
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $1,050SanDisk Extreme 32GB $17
Seagate Barracuda 7200.14 1TB $52Corsair Vengeance LPX DDR4 3200 C16 2x8GB $199SanDisk Ultra Fit 32GB $12
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