Average Bench: 83.8% (131st of 848)

Based on 567 user benchmarks.  Models: Crucial_CT128M550SSD1, Micron_M550_2.5"_7mm_128GB, Crucial_ CT128M550SSD1, Crucial_CT128M55

Very good average bench

The Crucial M550 128GB averaged just 16.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial M550 128GB near the top of the comparison list.

Strengths

Avg. 4K Random Write Speed 83.8MB/s
Avg. 4K Random Read Speed 25.8MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial M550 128GB is 38.6%. This is a relatively wide range which indicates that the Crucial M550 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 42.4MB/s
Avg. 4K-64Thread Read Speed 183MB/s
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Average Bench

(Based on 567 samples)
Min Avg Max
360 Read 492 525
308 Write 338 353
231 Mixed 384 416
89.8% 405 MB/s
Min Avg Max
17.9 4K Read 25.8 32.2
40.4 4K Write 83.8 124
14.6 4K Mixed 25.8 35.9
116% 45.1 MB/s
Min Avg Max
23.4 DQ Read 183 368
62.6 DQ Write 197 314
14 DQ Mixed 42.4 63.9
72.7% 141 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
46GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 524
Write 350
Mixed 414
95% 429 MB/s
4K Read 32
4K Write 118
4K Mixed 32.7
153% 60.9 MB/s
DQ Read 337
DQ Write 300
DQ Mixed 59.9
116% 232 MB/s
3GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 510
Write 344
Mixed 410
94% 421 MB/s
4K Read 26.3
4K Write 115
4K Mixed 30.9
140% 57.5 MB/s
DQ Read 374
DQ Write 317
DQ Mixed 59.4
123% 250 MB/s
567 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,574,185 SSDs tested.

 Prices

AmazonUS $98.442 months ago.
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Typical M550 128GB Builds (Compare 2,583 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 56%
Gunboat
Desktop
Desktop 54%
Yacht
Workstation
Workstation 44%
Speed boat

Motherboard: Asus M5A99X EVO R2.0 - $129

EDIT WITH CUSTOM PC BUILDER Value: 69% - Good Total price: $719

Popular M550 128GB compatible motherboards:

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

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Solid State Drive Rankings (Price vs Performance) April 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

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 Comments

Controller: Marvell 88SS9189. Flash Memory: Micron Synchronous 20nm MLC.

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848 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

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