Average Bench: 115% (158th of 1012)

Based on 297 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 14.5% 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 237MB/s
Avg. Sequential Read Speed 1,005MB/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 421MB/s
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Average Bench

(Based on 297 samples)
Min Avg Max
542 Read 1,005 1,528
213 Write 441 669
219 Mixed 421 728
93.5 SusWrite 184 221
113% 513 MB/s
Min Avg Max
14.1 4K Read 31.6 42.4
37.8 4K Write 89.2 123
12.8 4K Mixed 31.2 53.6
135% 50.7 MB/s
Min Avg Max
31.5 DQ Read 442 662
105 DQ Write 352 534
14.1 DQ Mixed 237 389
221% 344 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
67GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 274 214 212 209 206 194 MB/s
Read 1,005
Write 664
Mixed 560
SusWrite 218
136% 612 MB/s
4K Read 42.8
4K Write 110
4K Mixed 54.1
193% 69.1 MB/s
DQ Read 511
DQ Write 336
DQ Mixed 375
293% 408 MB/s
59GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 233 209 180 139 106 84 MB/s
Read 495
Write 278
Mixed 280
SusWrite 158
67% 303 MB/s
4K Read 20.3
4K Write 72
4K Mixed 40
120% 44.1 MB/s
DQ Read 496
DQ Write 438
DQ Mixed 362
300% 432 MB/s
66GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 175 84 69 100 73 71 MB/s
Read 462
Write 190
Mixed 159
SusWrite 95.3
50% 227 MB/s
4K Read 38.2
4K Write 116
4K Mixed 19.7
144% 57.9 MB/s
DQ Read 554
DQ Write 275
DQ Mixed 374
288% 401 MB/s
105GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 182 155 129 131 148 112 MB/s
Read 788
Write 373
Mixed 347
SusWrite 143
91% 413 MB/s
4K Read 23.9
4K Write 39.9
4K Mixed 28.1
93% 30.6 MB/s
DQ Read 418
DQ Write 211
DQ Mixed 312
232% 313 MB/s
115GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 214 203 196 203 197 193 MB/s
Read 616
Write 225
Mixed 223
SusWrite 201
70% 316 MB/s
4K Read 11.7
4K Write 59
4K Mixed 21.5
76% 30.7 MB/s
DQ Read 480
DQ Write 314
DQ Mixed 318
258% 371 MB/s
44GB free (System drive)
Firmware: A3590001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 157 65 63 52 57 49 MB/s
Read 108
Write 202
Mixed 383
SusWrite 73.9
44% 192 MB/s
4K Read 30
4K Write 97.2
4K Mixed 45.3
155% 57.5 MB/s
DQ Read 548
DQ Write 268
DQ Mixed 231
219% 349 MB/s
297 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 20,095,704 SSDs tested.

Typical SanDisk A400 SD9 256GB Builds (Compare 752 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.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) December 2019 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

1012 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 i5-9400F $148Nvidia GTX 1660S (Super) $270Crucial MX500 250GB $45
Intel Core i5-9600K $200AMD RX 590 $180Samsung 850 Evo 120GB $58
Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $65SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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