Average Bench: 115% (162nd of 1016)

Based on 301 user benchmarks.  Model: NVMe SanDisk A400 SD9
Poor: 75%Average: 115% Great: 146%

Popular builds with this SSD

Outstanding average bench

The Nvme SanDisk A400 SD9 256GB averaged 14.6% 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 238MB/s
Avg. Sequential Read Speed 1,004MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Nvme SanDisk A400 SD9 256GB is 71.3%. 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 184MB/s
Avg. Sequential Mixed IO Speed 419MB/s
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Average Bench

(Based on 301 samples)
Min Avg Max
545 Read 1,004 1,527
213 Write 442 669
220 Mixed 419 728
93.9 SusWrite 184 221
113% 512 MB/s
Min Avg Max
14.2 4K Read 31.7 42.5
37.9 4K Write 89.2 123
12.9 4K Mixed 31.3 53.6
135% 50.7 MB/s
Min Avg Max
31.7 DQ Read 443 662
107 DQ Write 353 534
14.1 DQ Mixed 238 388
222% 345 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
118GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 167 171 134 131 138 146 MB/s
Read 962
Write 426
Mixed 325
SusWrite 148
102% 465 MB/s
4K Read 42.8
4K Write 117
4K Mixed 55.6
198% 71.8 MB/s
DQ Read 622
DQ Write 461
DQ Mixed 336
307% 473 MB/s
143GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 219 212 199 178 184 201 MB/s
Read 1030
Write 375
Mixed 328
SusWrite 199
106% 483 MB/s
4K Read 43.7
4K Write 96.4
4K Mixed 42.6
172% 60.9 MB/s
DQ Read 612
DQ Write 523
DQ Mixed 342
318% 492 MB/s
136GB free (System drive)
Firmware: 0001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 231 215 207 206 211 213 MB/s
Read 884
Write 644
Mixed 382
SusWrite 214
118% 531 MB/s
4K Read 41.7
4K Write 112
4K Mixed 49.9
186% 67.7 MB/s
DQ Read 636
DQ Write 391
DQ Mixed 123
197% 383 MB/s
60GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 143 130 72 94 81 58 MB/s
Read 760
Write 260
Mixed 328
SusWrite 96.2
79% 361 MB/s
4K Read 43.6
4K Write 82.4
4K Mixed 41.8
163% 55.9 MB/s
DQ Read 534
DQ Write 471
DQ Mixed 326
293% 444 MB/s
136GB free (System drive)
Firmware: 0001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 230 199 192 191 203 205 MB/s
Read 841
Write 625
Mixed 266
SusWrite 203
107% 484 MB/s
4K Read 25.7
4K Write 71
4K Mixed 45.5
135% 47.4 MB/s
DQ Read 328
DQ Write 418
DQ Mixed 366
278% 371 MB/s
301 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,397,769 SSDs tested.

Typical SanDisk A400 SD9 256GB Builds (Compare 767 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 57%
Gunboat
Workstation
Workstation 32%
Sail boat

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.
  • - 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.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) January 2020 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

1016 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
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Intel Core i5-9400F $150Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $375Nvidia RTX 2060 $349Samsung 850 Pro 512GB $249
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Ultra Fit 32GB $14
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