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Micron

C400 RealSSD mSAT 256GB

▲ 500 ▼

Release date ≈ Q2 2015.

Average Bench: 59.5% (809th of 1074)

Based on 4 user benchmarks.  Model: Micron C400 RealSSD mSAT
Poor: 53%Average: 59.5% Great: 68%

Popular builds with this SSD

Average average bench

The Micron C400 RealSSD mSAT 256GB averaged 40.5% 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 Random Write Speed 62.1MB/s
Avg. Sequential Read Speed 456MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this SSD perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 10MB/s
Avg. 4K Random Mixed IO Speed 7.35MB/s
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Average Bench

(Based on 4 samples)
Rank 80959.5%
Min Avg Max
434 Read 456 489
217 Write 245 257
165 Mixed 224 308
181 SusWrite 181 181
61.3% 277 MB/s
Min Avg Max
17.1 4K Read 19.5 22
39.5 4K Write 62.1 103
5.37 4K Mixed 7.35 13
71.8% 29.7 MB/s
Min Avg Max
107 DQ Read 142 177
70.8 DQ Write 154 218
5.1 DQ Mixed 10 23.2
45.6% 102 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
151GB free (System drive)
Firmware: 07MH Max speed: SATA 3.0 600 MB/s
58.9% Above average
Read 482
Write 257
Mixed 169
66% 303 MB/s
4K Read 18.3
4K Write 51.3
4K Mixed 5.06
61% 24.9 MB/s
DQ Read 136
DQ Write 173
DQ Mixed 6.11
46% 105 MB/s
79GB free (System drive)
Firmware: 07MH
SusWrite @10s intervals: 222 181 181 192 162 150 MB/s
55.1% Above average
Read 434
Write 217
Mixed 234
SusWrite 181
59% 267 MB/s
4K Read 19.4
4K Write 52
4K Mixed 13
74% 28.1 MB/s
DQ Read 117
DQ Write 110
DQ Mixed 23.2
42% 83.5 MB/s
66GB free (System drive)
Firmware: 07MH Max speed: SATA 3.0 600 MB/s
53.1% Above average
Read 466
Write 254
Mixed 308
76% 342 MB/s
4K Read 17.1
4K Write 39.5
4K Mixed 5.37
54% 20.6 MB/s
DQ Read 107
DQ Write 70.8
DQ Mixed 5.86
27% 61.1 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 76,010,997 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 C400 RealSSD mSAT 256GB Builds (Compare 619 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 7%
Tree trunk
Desktop
Desktop 55%
Gunboat
Workstation
Workstation 6%
Tree trunk

System: Alienware 14

CPU
Core i7-4700MQIntel  $209Bench 59%, 69,603 samples347x
Core i5-4200MIntel  $39Bench 50%, 33,019 samples110x
Core i7-4710MQIntel  $46Bench 60%, 15,557 samples78x
GPU
HD 4600 (Mobile 1.15 GHz)IntelBench 3%, 258,091 samples391x
GTX 765MNvidiaBench 13%, 7,023 samples115x
GeForce GT 750MNvidiaBench 8%, 13,088 samples113x
SSD
C400 RealSSD mSAT 256GBMicronBench 59%, 4 samples1x
RAM
HMT451S6AFR8A-PB 2x4GBHynixBench 48%, 18,159 samples67x
HMT41GS6AFR8A-PB 2x8GBHynixBench 51%, 18,309 samples66x
M471B1G73DB0-YK0 2x8GBSamsungBench 53%, 30,591 samples57x
EDIT WITH CUSTOM PC BUILDER Value: 63% - Good Total price: $209

Popular C400 RealSSD mSAT 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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
  • - SkillBench (space shooter) tests user input accuracy
  • - 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
Solid State Drive Rankings (Price vs Performance) May 2024 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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Speed Comparisons

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1074 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 i5-12600K $176Nvidia RTX 4060 $290Crucial MX500 250GB $39
Intel Core i5-12400F $124Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-13600K $260Nvidia RTX 4070 $549Samsung 870 Evo 250GB $45
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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