CrucialCT275MX300SSD1
CrucialCT250MX500SSD1

Controller: Marvell 88SS1074. Flash Memory: Micron 3D TLC.

Controller: Silicon Motion SM2258. Flash Memory: Micron 3D TLC.

Real World Speed
Performance profile from 19,486 user samples
17,553 User Benchmarks
Best Bench: 81% 206GB free
Worst Bench: 49% 96GB free
Poor: 49% Great: 81%
SPEED RANK: 427th / 927
1,933 User Benchmarks
Best Bench: 104% 58GB free
Worst Bench: 61% 145GB free
Poor: 61% Great: 104%
SPEED RANK: 163rd / 927
Effective Speed
Effective SSD Speed
68.1 % 87 % Faster effective speed.
+28%
Read
Avg. Sequential Read Speed
463 MB/s 505 MB/s Slightly faster read speed.
+9%
Write
Avg. Sequential Write Speed
299 MB/s 376 MB/s Faster write speed.
+26%
4K Read
Avg. 4K Random Read Speed
22.4 MB/s 31.3 MB/s Much faster random read.
+40%
4K Write
Avg. 4K Random Write Speed
57.8 MB/s 69.1 MB/s Faster random write.
+20%
Mixed
Avg. Sequential Mixed IO Speed
307 MB/s 402 MB/s Much faster mixed IO speed.
+31%
4K Mixed
Avg. 4K Random Mixed IO Speed
17 MB/s 28.9 MB/s Much faster random mixed IO.
+70%
Read
Peak Sequential Read Speed
484 MB/s 527 MB/s Slightly faster peak read speed.
+9%
Write
Peak Sequential Write Speed
339 MB/s 399 MB/s Faster peak write speed.
+18%
4K Read
Peak 4K Random Read Speed
27.4 MB/s 39.2 MB/s Much faster peak random read.
+43%
4K Write
Peak 4K Random Write Speed
79.2 MB/s 92 MB/s Faster peak random write.
+16%
Mixed
Peak Sequential Mixed IO Speed
339 MB/s 422 MB/s Faster peak mixed IO speed.
+24%
4K Mixed
Peak 4K Random Mixed IO Speed
23.9 MB/s 41.8 MB/s Much faster peak random mixed IO.
+75%
Market Share
Based on 6,800,131 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.52 % Higher market share.
+27%
0.41 %
Value
Value For Money
80.8 % 106 % Much better value.
+31%
User Rating
UBM User Rating
67 % 70 % +4%
Price
Price (score)
$83 $73 Slightly cheaper.
+12%
Age
Newest
23 Months 5 Months Much more recent.
+78%
DQ Read
Peak 4K-64Thread Read Speed
230 MB/s 353 MB/s Much faster peak deep queue read.
+53%
DQ Write
Peak 4K-64Thread Write Speed
217 MB/s 274 MB/s Faster peak deep queue write.
+26%
AS-SSD Total
AS-SSD Total Score
795 Pts 1,086 Pts Much stronger server IO.
+37%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
40.1 MB/s 74.4 MB/s Hugely faster peak deep queue mixed IO.
+86%
ADQ Read
Avg. 4K-64Thread Read Speed
124 MB/s 159 MB/s Faster deep queue read.
+28%
ADQ Write
Avg. 4K-64Thread Write Speed
136 MB/s 164 MB/s Faster deep queue write.
+21%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
25.6 MB/s 43.8 MB/s Much faster deep queue mixed IO.
+71%
Capacity
Capacity
275GB 250GB
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The 275GB Crucial MX300 supersedes the MX200. Unlike its predecessor, the MX300 is TLC based and therefore suffers from weak write speeds in comparison to MLC drives. The MX300 utilises a sophisticated algorithm to enable fast burst write speeds provided that there is sufficient free space on the disk but as the drive fills up write performance drops to the relatively poor levels seen on other TLC drives (similar to mechanical drives). At current prices (70 USD) the MX300 competes well with other low end drives such as the OCZ Trion, Adata SP550 and Samsung 750 EVO. As stocks build the MX300 is likely to see further price cuts, so it could become a very interesting value proposition. See the current value leaders here[Sep '16 SSDrivePro]

MORE DETAILS

The MX500 is Crucial’s current flagship consumer SATA SSD featuring their latest second generation 64-layer 3D TLC NAND. It’s available in 250 GB, 500 GB, 1 TB and 2 TB capacities in a 2.5-inch form factor. All but the 2 TB version will also be available in M.2 (2280) form in the future. The MX500 features a Silicon Motion SM2258 controller which is a change from the Marvell 88SS1074 controller featured in the MX300 (it’s nearly two year old predecessor). Performance is around 30% better than on the MX300 which currently retails at the same price. The MX500 has an SLC cache which increases with drive capacity. Consequently, the larger capacities are better able to sustain high sequential write speeds. The 250 GB version has 250MB of SLC cache, the 500 GB has 512 MB, the 1 TB has 1 GB and the 2 TB has 2 GB. Extended sustained write performance tests show that even though speed does drop off after the cache has been exhausted, it is still maintained at very respectable levels. The MX500’s five year warranty is in line with Samsung’s 850 Evo and exceeds it in terms of endurance (just 75 TBW for the 250 GB 850 Evo versus 100 TBW for the 250 GB MX500). It doesn’t quite match up to the Samsung’s 850 Evo’s performance (effective speed 8% slower), however at current prices it is about 20% cheaper, and on balance offers better value for money. [Mar '18 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) May 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]

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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.
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.

UserBenchmark of the month

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.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
AMD Ryzen 5 1600 $167Nvidia GTX 1070 $447Samsung 850 Evo 250GB $95
Intel Core i7-8700K $320Nvidia GTX 1060-6GB $292Samsung 850 Evo 500GB $140
Intel Core i7-7700K $285AMD RX 480 $300Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $180SanDisk Extreme 64GB $41
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $960SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Extreme 16GB $20
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