Micron

C400 RealSSD 2.5" 256GB

C400 RealSSD 2.5" 256GB
BENCHMARKS (15)
MKT (%)
BUILDS
(0)

Effective Speed -75%Effective Speed -75%Average Score -121%Read 1%, Write -70%, 4K Read -86%, 4K Write -71%, Mixed -23%, 4K Mixed -560%, SusWrite -38%Peak Score -85%Read -2%, Write -82%, 4K Read -93%, 4K Write -49%, Mixed -22%, 4K Mixed -299%, SusWrite -50%Value & Sentiment -14%User Rating -14%Nice To Haves -586%DQ Read -103%, DQ Write -63%, DQ Mixed -1,309%, ADQ Read -174%, ADQ Write -126%, ADQ Mixed -2,817%, Age -19%, AS-SSD Total -75%

Average Bench: 56.3% (838^th of 1072)

Based on 15 user benchmarks. Model: Micron C400 RealSSD 2.5"

Poor: 49%Average: 56.3% Great: 64%

Popular builds with this SSD

Alienware M14xR2 (1)

Average average bench

The Micron C400 RealSSD 2.5" 256GB averaged 43.6% 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 464MB/s

Avg. 4K Random Read Speed 18.5MB/s

See where your SSD ranks →

Very good consistency

The range of scores (95th - 5th percentile) for the Micron C400 RealSSD 2.5" 256GB is just 14.7%. This is a relatively narrow range which indicates that the Micron C400 RealSSD 2.5" 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 8.92MB/s

Avg. 4K Random Mixed IO Speed 6.82MB/s

Average Bench

(Based on 15 samples)

Rank 83856.3%

Min	Avg	Max
348	Read 464	499
110	Write 239	267
183	Mixed 291	347
177	SusWrite 215	258
67.2% 302 MB/s

Min	Avg	Max
15.6	4K Read 18.5	22.3
38.3	4K Write 51.2	82.2
4.3	4K Mixed 6.82	14.6
63.9% 25.5 MB/s

Min	Avg	Max
17.4	DQ Read 119	181
48.2	DQ Write 128	220
4.76	DQ Mixed 8.92	23.5
38.3% 85.2 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

CAN-User, 4 years ago.

130GB free (System drive)

Firmware: 040H

SusWrite @10s intervals: 193 217 212 151 120 168 MB/s

58.3% Above average

Write 254

Mixed 260

SusWrite 177

62% 281 MB/s

4K Read 20.1

4K Write 72.5

4K Mixed 14.6

88% 35.7 MB/s

DQ Read 114

DQ Write 95.6

DQ Mixed 19.6

38% 76.6 MB/s

USA-User, 4 years ago.

180GB free (System drive)

Firmware: 040H

SusWrite @10s intervals: 228 209 190 209 204 217 MB/s

52.5% Above average

Write 215

Mixed 233

SusWrite 209

60% 271 MB/s

4K Read 15.6

4K Write 42.1

4K Mixed 11.1

60% 22.9 MB/s

DQ Read 115

DQ Write 108

DQ Mixed 23.2

42% 82.2 MB/s

15 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,755,092 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" 256GB Builds (Compare 298 builds) See popular component choices, score breakdowns and rankings

Gaming 7%

Tree trunk

Desktop 57%

Gunboat

Workstation 7%

Tree trunk

System: Alienware M14xR2

CPU
Core i7-3630QMIntel $420Bench 61%, 65,927 samples	116x
Core i7-3610QMIntel $300Bench 62%, 38,575 samples	83x
Core i5-3210MIntel $52Bench 48%, 79,744 samples	35x

GPU
HD 4000 (Mobile 1.25 GHz)IntelBench 3%, 409,110 samples	191x
GeForce GT 650MNvidiaBench 6%, 12,732 samples	103x
HD 3000 (Mobile V1 1.1/1.2 GHz)IntelBench 2%, 209,058 samples	2x

SSD
C400 RealSSD 2.5" 256GBMicronBench 56%, 15 samples	1x

RAM
NT4GC64B8HG0NS-DI 2x4GBNanyaBench 51%, 5,366 samples	19x
M471B5273DH0-CK0 2x4GBSamsungBench 50%, 11,714 samples	15x
HMT351S6CFR8C-PB 2x4GBHynixBench 50%, 25,458 samples	14x

EDIT WITH CUSTOM PC BUILDER

Value: 54% - Above average

Total price: $420

Popular C400 RealSSD 2.5" 256GB systems:

Alienware M14xR2 (1)

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

CPU

GPU

SSD

HDD

RAM

USB

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]

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.

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 »

CPU	GPU	SSD
Intel Core i5-13600K $269	Nvidia RTX 4060 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Micron

C400 RealSSD 2.5" 256GB

Average Bench: 56.3% (838^th of 1072)

Popular builds with this SSD

Average average bench

Strengths

Very good consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Alienware M14xR2

Popular C400 RealSSD 2.5" 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

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Best User Rated

Micron

C400 RealSSD 2.5" 256GB

Average Bench: 56.3% (838th of 1072)

Popular builds with this SSD

Average average bench

Strengths

Very good consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Alienware M14xR2

Popular C400 RealSSD 2.5" 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 56.3% (838^th of 1072)