Average Bench: 85.1% (123rd of 859)

Based on 741 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 14.9% 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 86.9MB/s
Avg. 4K Random Read Speed 26.5MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial M550 128GB is 40.5%. 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 42.6MB/s
Avg. 4K-64Thread Read Speed 182MB/s
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Average Bench

(Based on 741 samples)
Min Avg Max
372 Read 498 525
309 Write 340 353
263 Mixed 392 416
91% 410 MB/s
Min Avg Max
18.5 4K Read 26.5 32.6
40.8 4K Write 86.9 125
14.4 4K Mixed 26.3 36.2
120% 46.6 MB/s
Min Avg Max
22.8 DQ Read 182 370
56.4 DQ Write 196 317
14.4 DQ Mixed 42.6 66.3
72.5% 140 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
90GB free
Firmware: MU02 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 524
Write 350
Mixed 417
95% 430 MB/s
4K Read 30
4K Write 92.4
4K Mixed 33.7
138% 52 MB/s
DQ Read 270
DQ Write 221
DQ Mixed 61.6
96% 184 MB/s
37GB free
Firmware: MU02 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 506
Write 344
Mixed 413
93% 421 MB/s
4K Read 20.3
4K Write 66.8
4K Mixed 26.3
100% 37.8 MB/s
DQ Read 336
DQ Write 263
DQ Mixed 60.7
110% 220 MB/s
741 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,856,388 SSDs tested.

 Prices

AmazonUS $94.998 mins ago.
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Typical M550 128GB Builds (Compare 3,666 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 56%
Gunboat
Desktop
Desktop 53%
Yacht
Workstation
Workstation 44%
Speed boat

Motherboard: Asus M5A99X EVO R2.0 - $145

EDIT WITH CUSTOM PC BUILDER Value: 63% - Good Total price: $823

Popular M550 128GB compatible motherboards:

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Solid State Drive Rankings (Price vs Performance) September 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]

 Comments

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

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859 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.

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