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Micron_m

550_2.5"_7mm_256 256GB

▲ 500 ▼

Release date ≈ Q1 2015.

Average Bench: 86.5% (380th of 1072)

Based on 40 user benchmarks.  Model: Micron_M 550_2.5"_7mm_256
Poor: 49%Average: 86.5% Great: 111%

Very good average bench

The Micron_m 550_2.5"_7mm_256 256GB averaged just 13.5% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Micron_m 550_2.5"_7mm_256 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 121MB/s
Avg. 4K Random Write Speed 82.9MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Micron_m 550_2.5"_7mm_256 256GB is 62.5%. This is a particularly wide range which indicates that the Micron_m 550_2.5"_7mm_256 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 212MB/s
Avg. Sequential Mixed IO Speed 356MB/s
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Average Bench

(Based on 40 samples)
Rank 38086.5%
Min Avg Max
335 Read 455 525
44.5 Write 395 485
139 Mixed 356 495
36.5 SusWrite 212 423
79.5% 355 MB/s
Min Avg Max
18.1 4K Read 26.4 32.7
2.3 4K Write 82.9 135
2.19 4K Mixed 30.6 45.3
123% 46.7 MB/s
Min Avg Max
22.1 DQ Read 297 389
21.6 DQ Write 264 352
15.4 DQ Mixed 121 239
134% 227 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
51GB free (System drive)
Firmware: DL03
SusWrite @10s intervals: 358 301 283 282 285 270 MB/s
101% Outstanding
Read 442
Write 432
Mixed 318
SusWrite 296
84% 372 MB/s
4K Read 30.9
4K Write 110
4K Mixed 44.7
163% 62 MB/s
DQ Read 328
DQ Write 344
DQ Mixed 238
206% 303 MB/s
178GB free (System drive)
Firmware: DL04
SusWrite @10s intervals: 356 380 403 405 393 365 MB/s
94.7% Outstanding
Read 384
Write 436
Mixed 300
SusWrite 384
85% 376 MB/s
4K Read 27.4
4K Write 99.3
4K Mixed 39.3
144% 55.3 MB/s
DQ Read 255
DQ Write 255
DQ Mixed 186
159% 232 MB/s
109GB free (System drive)
Firmware: DL03
SusWrite @10s intervals: 399 369 369 358 361 363 MB/s
93.5% Outstanding
Read 389
Write 408
Mixed 309
SusWrite 370
83% 369 MB/s
4K Read 22.9
4K Write 94.5
4K Mixed 34
128% 50.5 MB/s
DQ Read 383
DQ Write 336
DQ Mixed 238
212% 319 MB/s
32GB free (System drive)
Firmware: DL04
SusWrite @10s intervals: 317 166 117 107 106 113 MB/s
92.8% Outstanding
Read 460
Write 470
Mixed 341
SusWrite 154
80% 356 MB/s
4K Read 32.1
4K Write 115
4K Mixed 45.3
168% 64.2 MB/s
DQ Read 297
DQ Write 301
DQ Mixed 210
182% 269 MB/s
38GB free (System drive)
Firmware: DL04
SusWrite @10s intervals: 363 132 106 122 122 110 MB/s
90.8% Outstanding
Read 448
Write 458
Mixed 331
SusWrite 159
78% 349 MB/s
4K Read 30.8
4K Write 110
4K Mixed 45
163% 62.1 MB/s
DQ Read 276
DQ Write 301
DQ Mixed 209
179% 262 MB/s
28GB free (System drive)
Firmware: DL04
SusWrite @10s intervals: 345 130 93 88 75 74 MB/s
71.8% Very good
Read 416
Write 394
Mixed 287
SusWrite 134
69% 308 MB/s
4K Read 22.6
4K Write 59
4K Mixed 29.3
103% 37 MB/s
DQ Read 347
DQ Write 334
DQ Mixed 232
204% 304 MB/s
91GB free (System drive)
Firmware: DL04
SusWrite @10s intervals: 332 229 214 216 226 220 MB/s
58.1% Above average
Read 351
Write 361
Mixed 199
SusWrite 240
64% 288 MB/s
4K Read 18.1
4K Write 37.3
4K Mixed 23.7
78% 26.4 MB/s
DQ Read 168
DQ Write 66.5
DQ Mixed 89.2
73% 108 MB/s
40 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,712,461 SSDs tested

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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]

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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.

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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?
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
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WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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