Average Bench: 82.6% - 144th / 836

Based on 498 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 17.3% 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 82.5MB/s
Avg. 4K Random Read Speed 25.6MB/s
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Average consistency

The range of scores (95th - 5th percentile) for the Crucial M550 128GB is 40.4%. 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 41.9MB/s
Avg. 4K-64Thread Read Speed 173MB/s
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Average Bench

(Based on 498 samples)
Min Avg Max
350 Read 489 524
300 Write 337 352
207 Mixed 379 416
89.1% 402 MB/s
Min Avg Max
17.8 4K Read 25.6 32.1
35.4 4K Write 82.5 123
13.5 4K Mixed 25.1 35.8
115% 44.4 MB/s
Min Avg Max
23.2 DQ Read 173 362
57.9 DQ Write 192 312
13.6 DQ Mixed 41.9 63.4
70.4% 135 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
49GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 502
Write 345
Mixed 408
93% 418 MB/s
4K Read 24.8
4K Write 116
4K Mixed 32.1
140% 57.5 MB/s
DQ Read 23.6
DQ Write 302
DQ Mixed 54.1
74% 127 MB/s
47GB free
Firmware: MU02 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 510
Write 350
Mixed 411
94% 424 MB/s
4K Read 20.8
4K Write 78.5
4K Mixed 26.5
107% 41.9 MB/s
DQ Read 203
DQ Write 82.8
DQ Mixed 16.1
45% 100 MB/s
38GB free
Firmware: MU02 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 517
Write 350
Mixed 411
94% 426 MB/s
4K Read 18.3
4K Write 78.8
4K Mixed 16.1
90% 37.7 MB/s
DQ Read 195
DQ Write 149
DQ Mixed 56.1
73% 133 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,122,423 SSDs tested.

 Prices

AmazonUS $98.447 days ago.
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Typical M550 128GB Builds (Compare 2,171 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 73%
Battleship
Desktop
Desktop 56%
Gunboat
Workstation
Workstation 47%
Yacht

Motherboard: Asus M5A99X EVO R2.0 - $129

EDIT WITH CUSTOM PC BUILDER Value: 80% - Excellent Total price: $742

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) February 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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836 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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