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Micron

C400 RealSSD 2.5" 512GB

▲ 500 ▼

Release date ≈ Q3 2015.

Average Bench: 61.6% (782nd of 1072)

Based on 5 user benchmarks.  Model: Micron C400 RealSSD 2.5"
Poor: 51%Average: 61.6% Great: 68%

Popular builds with this SSD

Above average average bench

The Micron C400 RealSSD 2.5" 512GB averaged 38.3% 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. Sequential Read Speed 507MB/s
Avg. 4K Random Read Speed 18.7MB/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 10.2MB/s
Avg. 4K Random Mixed IO Speed 10.1MB/s
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Average Bench

(Based on 5 samples)
Rank 78261.6%
Min Avg Max
496 Read 507 515
248 Write 251 252
316 Mixed 335 340
80.3% 364 MB/s
Min Avg Max
17.4 4K Read 18.7 19.9
11.8 4K Write 49.5 70.4
8.83 4K Mixed 10.1 10.7
67.4% 26.1 MB/s
Min Avg Max
101 DQ Read 154 191
11.8 DQ Write 142 214
9.01 DQ Mixed 10.2 11.4
45.3% 102 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
37GB free (System drive)
Firmware: 070H Max speed: SATA 3.0 600 MB/s
67.5% Good
Read 512
Write 251
Mixed 340
81% 368 MB/s
4K Read 19.9
4K Write 70.4
4K Mixed 10.6
81% 33.7 MB/s
DQ Read 191
DQ Write 191
DQ Mixed 10
57% 131 MB/s
66GB free (System drive)
Firmware: 070H Max speed: SATA 3.0 600 MB/s
65.7% Good
Read 515
Write 252
Mixed 339
81% 369 MB/s
4K Read 19.1
4K Write 62.3
4K Mixed 10.2
75% 30.5 MB/s
DQ Read 189
DQ Write 181
DQ Mixed 9.82
56% 127 MB/s
288GB free (System drive)
Firmware: 070H Max speed: SATA 3.0 600 MB/s
60.3% Good
Read 503
Write 250
Mixed 338
80% 364 MB/s
4K Read 17.4
4K Write 55.6
4K Mixed 10.2
69% 27.8 MB/s
DQ Read 116
DQ Write 109
DQ Mixed 11.4
36% 78.9 MB/s
35GB free
Firmware: 010G Max speed: SATA 3.0 600 MB/s
50.7% Above average
Read 496
Write 248
Mixed 316
78% 353 MB/s
4K Read 18.1
4K Write 11.8
4K Mixed 8.83
45% 12.9 MB/s
DQ Read 101
DQ Write 11.8
DQ Mixed 9.01
19% 40.8 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,756,836 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 2.5" 512GB Builds (Compare 465 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 60%
Gunboat
Workstation
Workstation 8%
Tree trunk

System: Dell Precision M4700

CPU
Core i7-3740QMIntel  $220Bench 64%, 14,369 samples189x
Core i7-3840QMIntel  $549Bench 66%, 3,981 samples111x
Core i7-3720QMIntel  $100Bench 65%, 9,911 samples46x
GPU
HD 4000 (Mobile 1.25 GHz)IntelBench 3%, 409,110 samples176x
Quadro K2000MNvidiaBench 6%, 4,288 samples137x
Quadro K1000MNvidiaBench 3%, 4,204 samples86x
SSD
C400 RealSSD 2.5" 512GBMicronBench 62%, 5 samples1x
RAM
X7C75G-HYC 4x4GBKingstonBench 60%, 524 samples32x
M471B1G73BH0-CK0 2x8GBSamsungBench 51%, 1,654 samples15x
X7C75G-HYC 2x4GBKingstonBench 58%, 334 samples11x
EDIT WITH CUSTOM PC BUILDER Value: 69% - Good Total price: $220

Popular C400 RealSSD 2.5" 512GB 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) April 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.

 Comments

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Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
vs Samsung 850 Evo 250GB
vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

1072 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 i5-13600K $269Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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