Average Bench: 112% (195th of 1058)

Based on 411 user benchmarks.  Model: NVMe SanDisk A400 SD9

Outstanding average bench

The Nvme SanDisk A400 SD9 256GB averaged 11.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme SanDisk A400 SD9 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 261MB/s
Avg. Sequential Read Speed 947MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Nvme SanDisk A400 SD9 256GB is 64.7%. This is a particularly wide range which indicates that the Nvme SanDisk A400 SD9 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 176MB/s
Avg. Sequential Mixed IO Speed 395MB/s
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Average Bench

(Based on 411 samples)
Min Avg Max
517 Read 947 1,500
212 Write 434 671
220 Mixed 395 719
90 SusWrite 176 219
107% 488 MB/s
Min Avg Max
14.3 4K Read 30.9 42.4
42.1 4K Write 88.8 123
13.7 4K Mixed 32.3 53.4
135% 50.7 MB/s
Min Avg Max
38.4 DQ Read 473 662
113 DQ Write 365 534
15.4 DQ Mixed 261 388
238% 366 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
110GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 192 156 165 114 145 83 MB/s
Read 1,014
Write 396
Mixed 338
SusWrite 142
103% 473 MB/s
4K Read 36.7
4K Write 85.7
4K Mixed 31.9
142% 51.4 MB/s
DQ Read 659
DQ Write 314
DQ Mixed 306
275% 426 MB/s
180GB free (System drive)
Firmware: 0001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 222 212 212 200 187 201 MB/s
Read 891
Write 351
Mixed 398
SusWrite 206
102% 462 MB/s
4K Read 33.7
4K Write 67.5
4K Mixed 24.3
118% 41.8 MB/s
DQ Read 648
DQ Write 507
DQ Mixed 324
311% 493 MB/s
104GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 166 138 99 135 74 118 MB/s
Read 824
Write 246
Mixed 279
SusWrite 122
80% 367 MB/s
4K Read 20.9
4K Write 98
4K Mixed 27.8
119% 48.9 MB/s
DQ Read 575
DQ Write 409
DQ Mixed 326
288% 437 MB/s
123GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 155 128 91 92 115 72 MB/s
Read 594
Write 231
Mixed 160
SusWrite 109
60% 273 MB/s
4K Read 30
4K Write 100
4K Mixed 28.7
135% 52.9 MB/s
DQ Read 664
DQ Write 490
DQ Mixed 294
297% 483 MB/s
122GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 198 161 175 168 156 167 MB/s
Read 652
Write 208
Mixed 248
SusWrite 171
70% 320 MB/s
4K Read 19.3
4K Write 73.3
4K Mixed 28.2
104% 40.3 MB/s
DQ Read 497
DQ Write 393
DQ Mixed 383
303% 424 MB/s
411 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 49,339,979 SSDs tested.

Typical SanDisk A400 SD9 256GB Builds (Compare 284 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 62%
Destroyer
Workstation
Workstation 9%
Tree trunk

System: Lenovo 81C3

EDIT WITH CUSTOM PC BUILDER

Popular SanDisk A400 SD9 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.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) November 2021 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 - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

1058 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

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The Best.
CPUGPUSSD
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Intel Core i7-11700K $300Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $38Corsair Vengeance LPX DDR4 3200 C16 2x8GB $63SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $33Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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