Average Bench: 61.1% (557th of 921)

Based on 1,128 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 457MB/s
Avg. 4K Random Write Speed 57.9MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is just 20%. 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 15.6MB/s
ADVERTISEMENT

Average Bench

(Based on 1,128 samples)
Min Avg Max
410 Read 457 491
304 Write 314 327
352 Mixed 371 388
84.5% 381 MB/s
Min Avg Max
9.63 4K Read 19.3 25.4
22.6 4K Write 57.9 81.8
3.21 4K Mixed 3.77 4.17
64.7% 27 MB/s
Min Avg Max
15.6 DQ Read 95 198
56.2 DQ Write 171 255
3.29 DQ Mixed 15.6 29.2
45% 93.7 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
113GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 435
Write 321
Mixed 369
83% 375 MB/s
4K Read 22.2
4K Write 75.7
4K Mixed 3.81
78% 33.9 MB/s
DQ Read 168
DQ Write 264
DQ Mixed 28.1
74% 153 MB/s
32GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 488
Write 320
Mixed 378
88% 395 MB/s
4K Read 25.8
4K Write 88.2
4K Mixed 3.92
91% 39.3 MB/s
DQ Read 29.5
DQ Write 82.4
DQ Mixed 3.76
18% 38.5 MB/s
33GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 419
Write 322
Mixed 380
83% 374 MB/s
4K Read 22.7
4K Write 65.9
4K Mixed 4.13
75% 30.9 MB/s
DQ Read 184
DQ Write 213
DQ Mixed 8.76
59% 135 MB/s
44GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 460
Write 315
Mixed 371
85% 382 MB/s
4K Read 15.8
4K Write 43.2
4K Mixed 3.9
52% 21 MB/s
DQ Read 190
DQ Write 237
DQ Mixed 28.6
73% 152 MB/s
49GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 473
Write 321
Mixed 369
86% 388 MB/s
4K Read 17.6
4K Write 55
4K Mixed 3.94
61% 25.5 MB/s
DQ Read 21.1
DQ Write 192
DQ Mixed 3.73
33% 72.4 MB/s
57GB free
Firmware: Z2329012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 467
Write 303
Mixed 386
86% 385 MB/s
4K Read 12.5
4K Write 38
4K Mixed 3.59
44% 18 MB/s
DQ Read 176
DQ Write 201
DQ Mixed 26.4
65% 134 MB/s
160GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 397
Write 313
Mixed 378
81% 363 MB/s
4K Read 13.4
4K Write 40.7
4K Mixed 3.14
46% 19.1 MB/s
DQ Read 138
DQ Write 195
DQ Mixed 25.1
59% 120 MB/s
1,128 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,476,257 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 6,338 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.

UserBenchmark of the month

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.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) April 2018 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]

ADVERTISEMENT

Group Test Results

  • Best user rated - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.

 Comments

921 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 i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $176AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Extreme 16GB $18
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback