Average Bench: 83.3% (137th of 848)

Based on 549 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 16.6% 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 83.5MB/s
Avg. 4K Random Read Speed 25.7MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial M550 128GB is 38.8%. 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 42.3MB/s
Avg. 4K-64Thread Read Speed 180MB/s
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Average Bench

(Based on 549 samples)
Min Avg Max
341 Read 489 525
302 Write 337 353
214 Mixed 381 416
89.3% 402 MB/s
Min Avg Max
18.2 4K Read 25.7 32.1
40.5 4K Write 83.5 124
14.6 4K Mixed 25.6 35.9
116% 44.9 MB/s
Min Avg Max
23.4 DQ Read 180 364
61.4 DQ Write 194 313
13.7 DQ Mixed 42.3 64.2
71.8% 139 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
31GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 501
Write 344
Mixed 408
93% 417 MB/s
4K Read 27.9
4K Write 130
4K Mixed 34.2
155% 63.9 MB/s
DQ Read 303
DQ Write 294
DQ Mixed 57.3
109% 218 MB/s
74GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 521
Write 347
Mixed 410
94% 426 MB/s
4K Read 26.8
4K Write 102
4K Mixed 35.7
140% 54.7 MB/s
DQ Read 355
DQ Write 315
DQ Mixed 71
126% 247 MB/s
38GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 513
Write 346
Mixed 413
94% 424 MB/s
4K Read 32.4
4K Write 129
4K Mixed 23.1
147% 61.4 MB/s
DQ Read 351
DQ Write 272
DQ Mixed 22.2
95% 215 MB/s
96GB free
Firmware: MU02 Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 514
Write 351
Mixed 416
95% 427 MB/s
4K Read 25.8
4K Write 72.5
4K Mixed 31.8
118% 43.4 MB/s
DQ Read 268
DQ Write 257
DQ Mixed 72.3
107% 199 MB/s
32GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 522
Write 351
Mixed 389
93% 421 MB/s
4K Read 24.3
4K Write 86.4
4K Mixed 27.3
118% 46 MB/s
DQ Read 208
DQ Write 185
DQ Mixed 17.5
62% 137 MB/s
549 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,373,786 SSDs tested.

 Prices

AmazonUS $98.441 month ago.
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Typical M550 128GB Builds (Compare 2,393 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 57%
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: $734

Popular M550 128GB compatible motherboards:

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 Comments

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

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See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

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