Average Bench: 61.2% (506th of 885)

Based on 1,058 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 58.4MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is 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 15.4MB/s
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Average Bench

(Based on 1,058 samples)
Min Avg Max
410 Read 457 491
304 Write 315 327
358 Mixed 372 388
84.7% 382 MB/s
Min Avg Max
10.3 4K Read 19.3 25.1
23.4 4K Write 58.4 81.7
3.23 4K Mixed 3.77 4.16
64.9% 27.1 MB/s
Min Avg Max
15.5 DQ Read 93.1 198
50.8 DQ Write 169 255
3.3 DQ Mixed 15.4 29.3
44.4% 92.6 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
66GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 473
Write 321
Mixed 377
87% 390 MB/s
4K Read 21.4
4K Write 54.3
4K Mixed 4.22
67% 26.6 MB/s
DQ Read 119
DQ Write 145
DQ Mixed 30.3
51% 98.1 MB/s
117GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 448
Write 320
Mixed 375
85% 381 MB/s
4K Read 17.5
4K Write 44
4K Mixed 4.12
55% 21.9 MB/s
DQ Read 154
DQ Write 94.7
DQ Mixed 28.3
47% 92.2 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 408
Write 314
Mixed 377
82% 366 MB/s
4K Read 22.5
4K Write 62.4
4K Mixed 3.94
72% 29.6 MB/s
DQ Read 22.7
DQ Write 65.5
DQ Mixed 3.87
15% 30.7 MB/s
86GB free
Firmware: Z2321012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 449
Write 315
Mixed 350
82% 371 MB/s
4K Read 12.4
4K Write 55.5
4K Mixed 2.26
51% 23.4 MB/s
DQ Read 63.8
DQ Write 146
DQ Mixed 12.2
36% 74 MB/s
143GB free
Firmware: Z2327012 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 194
Write 306
Mixed 198
52% 233 MB/s
4K Read 15.2
4K Write 28.2
4K Mixed 3.62
43% 15.7 MB/s
DQ Read 135
DQ Write 77
DQ Mixed 21
38% 77.8 MB/s
1,058 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,673,090 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 5,624 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) February 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]

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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

885 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 $430Samsung 850 Evo 250GB $88
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $149
AMD Ryzen 5 1600 $170AMD RX 480 $400Samsung 850 Pro 256GB $146
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $192SanDisk Extreme 64GB $50
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $975SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $206SanDisk Extreme 16GB $18
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