Average Bench: 91.4% (123rd of 921)

more Based on 3,731 user benchmarks.  Models: Crucial_CT256M550SSD1, Micron_M550_2.5", Crucial_ CT256M550SSD3, Crucial_CT256M55, Micron_M Micron_M550_2.5", Crucial_ CT256M550SSD4, Crucial_ Crucial_CT256M55, Crucial_ CT256M550SSD1

The 256GB Crucial M550 is a welcome improvement over the 240GB M500. The new Marvel 88SS9189 controller has addressed our primary concern with the M500 which was poor sequential write speed. With sequential read/write speeds of 510/478 MB/s the M550 has a healthy core performance profile. Comparing the M550 and M500 shows that the new M550 leads on nearly every single performance metric. Unfortunately the M550 is priced significantly higher than the M500 but prices will likely drop as retailers build up stocks of the new M550. A key comparable for the M550 is the similarly priced market leading Samsung Evo. Comparing the Evo and M550 shows that the Evo is around 11% slower in terms of effective speed[Mar '14 SSDrivePro]

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Excellent average bench

The Crucial M550 256GB averaged just 8.5% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial M550 256GB near the top of the comparison list.

Strengths

Avg. 4K Random Write Speed 83.3MB/s
Avg. 4K Random Read Speed 26.2MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial M550 256GB is 46.5%. This is a relatively wide range which indicates that the Crucial M550 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 181MB/s
Avg. 4K-64Thread Mixed IO Speed 47.7MB/s
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Average Bench

(Based on 3,731 samples)
Min Avg Max
308 Read 494 524
355 Write 450 482
216 Mixed 444 492
103% 463 MB/s
Min Avg Max
18.3 4K Read 26.2 32.1
41.2 4K Write 83.3 120
15.3 4K Mixed 27.1 37.3
118% 45.5 MB/s
Min Avg Max
22.3 DQ Read 181 361
52.4 DQ Write 197 324
13.3 DQ Mixed 47.7 75.8
75% 142 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
152GB free
Firmware: MU02 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 522
Write 475
Mixed 491
111% 496 MB/s
4K Read 27.2
4K Write 61.2
4K Mixed 30.2
112% 39.5 MB/s
DQ Read 354
DQ Write 337
DQ Mixed 65.5
126% 252 MB/s
99GB free
Firmware: MU02 Max speed: SATA 3.0 600 MB/s
NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 520
Write 478
Mixed 491
111% 497 MB/s
4K Read 28.6
4K Write 85.7
4K Mixed 34
132% 49.4 MB/s
DQ Read 130
DQ Write 82.6
DQ Mixed 19.3
38% 77.2 MB/s
174GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 512
Write 480
Mixed 484
110% 492 MB/s
4K Read 27
4K Write 95.9
4K Mixed 20.5
118% 47.8 MB/s
DQ Read 26.4
DQ Write 233
DQ Mixed 18.9
48% 92.9 MB/s
75GB free
Firmware: MU01 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 514
Write 466
Mixed 484
109% 488 MB/s
4K Read 20.5
4K Write 62.9
4K Mixed 28.9
101% 37.4 MB/s
DQ Read 268
DQ Write 138
DQ Mixed 66.8
86% 157 MB/s
3,731 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,448,144 SSDs tested.

Typical M550 256GB Builds (Compare 3,386 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 63%
Destroyer
Desktop
Desktop 80%
Battleship
Workstation
Workstation 58%
Gunboat

Motherboard: Asus Z97-K - $150

EDIT WITH CUSTOM PC BUILDER Value: 71% - Very good Total price: $1,016

Popular M550 256GB compatible motherboards:

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

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) April 2018 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]

Group Test Results

  • Best user rated - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.

 Comments

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

Do more, faster longer...

Added 4 years ago.

Poor

16 months ago.

I have one M550 / 256GB, one M500 / 240GB and old M4 /128GB. M550 is very good, very fast SSD.


Poor

13 months ago.

My rating was for the M550 512Gb SSD because Crucial Website says (AFTER I ordered one from Amazon) that it is not compatible with an ASUS Sabertooth Z87 motherboard. I mean. Why in F**K would a very recent SSD not be compatible with a very recent high-end motherboard? What nutter markets SSD`s which are (otherwise) secretly not going to work on modern PC`s ???


Outstanding

4 years ago.


Poor

2 years ago.

Great drive. I have m550 512gb and is crazy fast


Your
opinion?
921 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $300Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $170AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Ultra Fit 32GB $12
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