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Sandisk

X400 M.2 2280 256GB

▲ 501 ▼

Release date ≈ Q3 2016.

VS

Average Bench: 64.9% (582nd of 959)

Based on 2,766 user benchmarks.  Model: SanDisk X400 M.2 2280 256GB
Poor: 46%Average: 64.9% Great: 84%

Popular builds with this SSD

Above average average bench

The Sandisk X400 M.2 2280 256GB averaged 35.1% 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 200MB/s
Avg. 4K-64Thread Read Speed 310MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Sandisk X400 M.2 2280 256GB is 38.4%. 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 162MB/s
Avg. Sequential Mixed IO Speed 231MB/s
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Average Bench

(Based on 2,766 samples)
Rank 58264.9%
Min Avg Max
316 Read 405 472
172 Write 301 421
134 Mixed 231 317
70.6 SusWrite 162 200
61.2% 275 MB/s
Min Avg Max
9.2 4K Read 20.1 31.7
20.4 4K Write 44.3 78.7
12.3 4K Mixed 25.1 39.1
86.1% 29.9 MB/s
Min Avg Max
62.4 DQ Read 310 365
124 DQ Write 235 277
43.9 DQ Mixed 200 236
169% 249 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
198GB free
Firmware: X4130012
SusWrite @10s intervals: 233 199 187 190 192 191 MB/s
82.2% Excellent
Read 493
Write 367
Mixed 214
SusWrite 198
71% 318 MB/s
4K Read 23.9
4K Write 65.7
4K Mixed 35.5
116% 41.7 MB/s
DQ Read 354
DQ Write 272
DQ Mixed 226
193% 284 MB/s
198GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 201 196 199 201 197 197 MB/s
65.5% Good
Read 324
Write 263
Mixed 207
SusWrite 199
56% 248 MB/s
4K Read 23
4K Write 39.5
4K Mixed 25.4
88% 29.3 MB/s
DQ Read 344
DQ Write 244
DQ Mixed 192
171% 260 MB/s
159GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 204 191 191 194 191 189 MB/s
59.9% Above average
Read 381
Write 287
Mixed 231
SusWrite 193
61% 273 MB/s
4K Read 19.8
4K Write 36.3
4K Mixed 28.1
85% 28.1 MB/s
DQ Read 34.6
DQ Write 231
DQ Mixed 93.5
84% 120 MB/s
59GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 210 190 180 171 172 181 MB/s
56.2% Above average
Read 293
Write 334
Mixed 248
SusWrite 184
60% 265 MB/s
4K Read 10.7
4K Write 21.4
4K Mixed 27.2
62% 19.8 MB/s
DQ Read 322
DQ Write 241
DQ Mixed 225
184% 263 MB/s
78GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 184 161 192 152 140 139 MB/s
52.2% Above average
Read 325
Write 290
Mixed 240
SusWrite 161
57% 254 MB/s
4K Read 11.2
4K Write 30
4K Mixed 14.6
52% 18.6 MB/s
DQ Read 367
DQ Write 237
DQ Mixed 235
193% 280 MB/s
33GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 114 61 35 35 40 30 MB/s
51.5% Above average
Read 404
Write 158
Mixed 63.8
SusWrite 52.4
37% 169 MB/s
4K Read 14.3
4K Write 30.1
4K Mixed 21.9
66% 22.1 MB/s
DQ Read 297
DQ Write 215
DQ Mixed 186
158% 233 MB/s
2,766 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,145,409 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 11,053 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 56%
Gunboat
Workstation
Workstation 36%
Jet ski

System: Dell Inspiron 15 7000 Gaming - $788

CPU
Core i7-7700HQIntelBench 68%, 149,556 samples6,351x
Core i5-7300HQIntelBench 64%, 47,204 samples4,701x
FX-Series FX-8320AMDBench 76%, 1 sample1x
GPU
HD Graphics 630IntelBench 7%, 97,467 samples6,076x
GTX 1050-Ti (Mobile)NvidiaBench 36%, 20,817 samples3,739x
GTX 1050 (Mobile)NvidiaBench 29%, 32,988 samples1,234x
SSD
X400 M.2 2280 256GBSandiskBench 65%, 2,766 samples1,204x
RAM
HMA81GS6AFR8N-UH 1x8GBHynixBench 37%, 34,863 samples3,719x
HMA82GS6AFR8N-UH 1x16GBHynixBench 40%, 5,894 samples1,630x
16ATF2G64HZ-2G3B1 1x16GBMicronBench 39%, 1,713 samples653x
EDIT WITH CUSTOM PC BUILDER Total price: $788

Popular X400 M.2 2280 256GB systems:

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  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
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Solid State Drive Rankings (Price vs Performance) October 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 - 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.

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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 $380Nvidia GTX 1070 $323Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $98
Intel Core i7-7700K $350AMD RX 480 $280Samsung 850 Pro 256GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3000 C15 2x8GB $147SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $157SanDisk Ultra Fit 32GB $12
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