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Sandisk

X400 M.2 2280 256GB

▲ 501 ▼

Release date ≈ Q3 2016.

VS

Average Bench: 66.7% (602nd of 991)

Based on 3,474 user benchmarks.  Model: SanDisk X400 M.2 2280 256GB
Poor: 48%Average: 66.7% Great: 86%

Popular builds with this SSD

Above average average bench

The Sandisk X400 M.2 2280 256GB averaged 33.3% 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. 4K-64Thread Mixed IO Speed 193MB/s
Avg. 4K-64Thread Read Speed 303MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Sandisk X400 M.2 2280 256GB is 38.2%. This is a relatively wide range which indicates that the Sandisk X400 M.2 2280 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 164MB/s
Avg. Sequential Mixed IO Speed 231MB/s
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Average Bench

(Based on 3,474 samples)
Rank 60266.7%
Min Avg Max
312 Read 410 488
165 Write 302 446
142 Mixed 231 317
76.9 SusWrite 164 199
61.7% 277 MB/s
Min Avg Max
10.3 4K Read 21.7 33.7
19.8 4K Write 46.5 87.4
13.2 4K Mixed 26.6 41.3
91.5% 31.6 MB/s
Min Avg Max
27.1 DQ Read 303 363
103 DQ Write 233 281
26.1 DQ Mixed 193 236
165% 243 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
174GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 222 196 195 193 172 185 MB/s
93.8% Outstanding
Read 495
Write 332
Mixed 211
SusWrite 194
68% 308 MB/s
4K Read 33.8
4K Write 91.6
4K Mixed 46.6
159% 57.3 MB/s
DQ Read 303
DQ Write 262
DQ Mixed 220
182% 262 MB/s
72GB free
Firmware: X4130012
SusWrite @10s intervals: 228 206 197 199 200 181 MB/s
89.8% Excellent
Read 483
Write 464
Mixed 323
SusWrite 202
82% 368 MB/s
4K Read 29.2
4K Write 103
4K Mixed 36.9
146% 56.3 MB/s
DQ Read 368
DQ Write 246
DQ Mixed 209
182% 274 MB/s
26GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 205 192 192 185 183 182 MB/s
78.1% Very good
Read 484
Write 282
Mixed 270
SusWrite 190
68% 306 MB/s
4K Read 25.8
4K Write 72.7
4K Mixed 27.8
113% 42.1 MB/s
DQ Read 333
DQ Write 243
DQ Mixed 222
184% 266 MB/s
83GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 207 198 185 187 177 187 MB/s
71.6% Very good
Read 466
Write 380
Mixed 210
SusWrite 190
69% 312 MB/s
4K Read 19.2
4K Write 44.1
4K Mixed 29
90% 30.8 MB/s
DQ Read 349
DQ Write 243
DQ Mixed 234
191% 275 MB/s
175GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 201 201 196 194 197 196 MB/s
66.3% Good
Read 387
Write 308
Mixed 197
SusWrite 197
61% 272 MB/s
4K Read 19.9
4K Write 34.7
4K Mixed 24.9
80% 26.5 MB/s
DQ Read 361
DQ Write 251
DQ Mixed 188
172% 267 MB/s
105GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 182 172 160 184 138 172 MB/s
61.1% Good
Read 410
Write 328
Mixed 206
SusWrite 168
62% 278 MB/s
4K Read 17.6
4K Write 14.4
4K Mixed 23.8
65% 18.6 MB/s
DQ Read 362
DQ Write 255
DQ Mixed 208
182% 275 MB/s
139GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 232 178 153 193 183 191 MB/s
60.9% Good
Read 404
Write 369
Mixed 261
SusWrite 188
68% 306 MB/s
4K Read 13.1
4K Write 45.4
4K Mixed 15.8
64% 24.8 MB/s
DQ Read 346
DQ Write 275
DQ Mixed 223
191% 281 MB/s
3,474 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 12,288,474 SSDs tested.

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical X400 M.2 2280 256GB Builds (Compare 13,646 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 17%
Surfboard
Desktop
Desktop 56%
Gunboat
Workstation
Workstation 36%
Jet ski

System: Dell Inspiron 15 7000 Gaming - $790

CPU
Core i7-7700HQIntelBench 67%, 185,841 samples7,803x
Core i5-7300HQIntelBench 64%, 63,577 samples5,842x
FX-Series FX-8320AMDBench 76%, 1 sample1x
GPU
HD Graphics 630IntelBench 8%, 131,711 samples7,384x
GTX 1050-Ti (Mobile)NvidiaBench 36%, 27,966 samples4,681x
GTX 1050 (Mobile)NvidiaBench 29%, 46,399 samples1,577x
SSD
X400 M.2 2280 256GBSandiskBench 67%, 3,474 samples1,405x
RAM
HMA81GS6AFR8N-UH 1x8GBHynixBench 38%, 47,650 samples4,527x
HMA82GS6AFR8N-UH 1x16GBHynixBench 40%, 7,608 samples1,950x
16ATF2G64HZ-2G3B1 1x16GBMicronBench 39%, 2,015 samples768x
EDIT WITH CUSTOM PC BUILDER Total price: $790

Popular X400 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.

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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) February 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

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991 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $357Samsung 850 Evo 250GB $90
AMD Ryzen 5 1600 $139Nvidia GTX 1060-6GB $220Samsung 850 Evo 500GB $110
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $105SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $939SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $120SanDisk Ultra Fit 32GB $12
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