TEST
YOUR SSD
ADD TO PC
BUILD

Sandisk

X400 M.2 2280 256GB

▲ 501 ▼

Release date ≈ Q3 2016.

VS

Average Bench: 66.3% (621st of 996)

Based on 4,209 user benchmarks.  Model: SanDisk X400 M.2 2280 256GB
Poor: 47%Average: 66.3% Great: 89%

Popular builds with this SSD

Above average average bench

The Sandisk X400 M.2 2280 256GB averaged 33.7% 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 197MB/s
Avg. 4K-64Thread Read Speed 310MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Sandisk X400 M.2 2280 256GB is 41.8%. 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 227MB/s
ADVERTISEMENT

Average Bench

(Based on 4,209 samples)
Rank 62166.3%
Min Avg Max
312 Read 407 486
167 Write 294 438
134 Mixed 227 314
72.2 SusWrite 162 200
60.7% 273 MB/s
Min Avg Max
9.5 4K Read 21.1 34.5
21.2 4K Write 46.5 88.6
12.4 4K Mixed 26.3 43.5
90.3% 31.3 MB/s
Min Avg Max
108 DQ Read 310 365
127 DQ Write 234 278
28 DQ Mixed 197 235
168% 247 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
187GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 257 194 200 200 196 196 MB/s
96.1% Outstanding
Read 458
Write 456
Mixed 315
SusWrite 207
80% 359 MB/s
4K Read 38.8
4K Write 99.1
4K Mixed 46.3
171% 61.4 MB/s
DQ Read 291
DQ Write 276
DQ Mixed 226
186% 264 MB/s
136GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 233 197 190 182 173 182 MB/s
72% Very good
Read 430
Write 398
Mixed 276
SusWrite 193
73% 324 MB/s
4K Read 23.4
4K Write 41.4
4K Mixed 28.5
94% 31.1 MB/s
DQ Read 341
DQ Write 278
DQ Mixed 238
197% 285 MB/s
135GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 206 168 176 181 164 188 MB/s
71.7% Very good
Read 427
Write 369
Mixed 234
SusWrite 180
68% 303 MB/s
4K Read 24.8
4K Write 40.3
4K Mixed 29.3
96% 31.5 MB/s
DQ Read 362
DQ Write 246
DQ Mixed 216
185% 275 MB/s
48GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 202 195 183 139 89 103 MB/s
66.1% Good
Read 445
Write 274
Mixed 212
SusWrite 152
60% 271 MB/s
4K Read 14.6
4K Write 46.7
4K Mixed 27.3
82% 29.5 MB/s
DQ Read 353
DQ Write 236
DQ Mixed 238
193% 276 MB/s
164GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 220 199 194 187 197 196 MB/s
62.8% Good
Read 462
Write 429
Mixed 335
SusWrite 199
80% 356 MB/s
4K Read 24.5
4K Write 43.5
4K Mixed 29.5
98% 32.5 MB/s
DQ Read 24.7
DQ Write 47.3
DQ Mixed 31.2
25% 34.4 MB/s
4,209 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 13,721,910 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 14,681 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 55%
Yacht
Workstation
Workstation 35%
Jet ski

System: Dell Inspiron 15 7000 Gaming - $790

CPU
Core i7-7700HQIntelBench 66%, 202,815 samples8,383x
Core i5-7300HQIntelBench 63%, 62,315 samples6,297x
FX-Series FX-8320AMDBench 76%, 1 sample1x
GPU
HD Graphics 630IntelBench 7%, 135,835 samples7,897x
GTX 1050-Ti (Mobile)NvidiaBench 36%, 35,468 samples5,060x
GTX 1050 (Mobile)NvidiaBench 29%, 46,858 samples1,718x
SSD
X400 M.2 2280 256GBSandiskBench 66%, 4,209 samples1,481x
RAM
HMA81GS6AFR8N-UH 1x8GBHynixBench 38%, 52,999 samples4,821x
HMA82GS6AFR8N-UH 1x16GBHynixBench 40%, 7,441 samples2,072x
16ATF2G64HZ-2G3B1 1x16GBMicronBench 39%, 2,184 samples825x
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.

UserBenchmark of the month

Gaming Desktop Workstation

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) April 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]

ADVERTISEMENT

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

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Over the hill
Age: 2 years

Speed Comparisons

vs Samsung 850 Evo 250GB
vs Samsung 850 Evo 500GB
vs Samsung 850 Pro 256GB
vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 850 Pro 512GB
vs HyperX Savage 240GB
vs Samsung 860 Evo 250GB
vs Crucial MX300 275GB

996 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 $366Nvidia GTX 1070 $379Samsung 850 Evo 250GB $100
AMD Ryzen 5 2600 $159Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $80
AMD Ryzen 5 1600 $115Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $93
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $95SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $711SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $100SanDisk Ultra Fit 32GB $12
Today's hottest
Amazon Ebay Newegg
deals
CPU GPU SSD HDD USB RAM MBD
Test your PC Build a PC
Can You Run It?
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback