Average Bench: 101% (260th of 1080)

Based on 77,177 user benchmarks.  Models: CT250MX500SSD1, CT250MX5 CT250MX500SSD1

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]

Outstanding average bench

The Crucial MX500 250GB averaged 1.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial MX500 250GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 219MB/s
Avg. 4K Random Mixed IO Speed 45.4MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Crucial MX500 250GB is 50.6%. This is a relatively wide range which indicates that the Crucial MX500 250GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 352MB/s
Avg. Sequential Mixed IO Speed 386MB/s

Average Bench

(Based on 77,177 samples)
Min Avg Max
334 Read 451 514
246 Write 394 466
269 Mixed 386 450
187 SusWrite 352 458
89% 396 MB/s
Min Avg Max
21.5 4K Read 33.7 42.6
45.2 4K Write 83.4 116
28 4K Mixed 45.4 58.3
153% 54.2 MB/s
Min Avg Max
219 DQ Read 329 384
135 DQ Write 294 359
112 DQ Mixed 219 278
190% 281 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
77GB free (System drive)
Firmware: M3CR023
SusWrite @10s intervals: 445 438 448 455 455 454 MB/s
Read 507
Write 453
Mixed 448
SusWrite 449
105% 464 MB/s
4K Read 36.4
4K Write 95.5
4K Mixed 51
171% 61 MB/s
DQ Read 372
DQ Write 331
DQ Mixed 271
225% 325 MB/s
164GB free
Firmware: M3CR010
SusWrite @10s intervals: 263 263 263 262 264 262 MB/s
Read 508
Write 262
Mixed 293
SusWrite 263
74% 331 MB/s
4K Read 26.5
4K Write 108
4K Mixed 40.2
149% 58.2 MB/s
DQ Read 235
DQ Write 263
DQ Mixed 200
164% 233 MB/s
233GB free
Firmware: M3CR020
SusWrite @10s intervals: 255 255 255 255 254 256 MB/s
Read 516
Write 235
Mixed 249
SusWrite 255
70% 314 MB/s
4K Read 28.5
4K Write 101
4K Mixed 40.6
148% 56.6 MB/s
DQ Read 235
DQ Write 254
DQ Mixed 192
159% 227 MB/s
56GB free (System drive)
Firmware: M3CR010
SusWrite @10s intervals: 233 248 241 256 239 248 MB/s
Read 474
Write 257
Mixed 277
SusWrite 244
70% 313 MB/s
4K Read 30.2
4K Write 95.2
4K Mixed 36.7
143% 54 MB/s
DQ Read 234
DQ Write 256
DQ Mixed 183
155% 224 MB/s
77,177 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 76,157,065 SSDs tested


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MSRP ≈ $80 @ launch in Dec '17
EbayUS $3913 mins
AmazonUS $455 mins
BHPhotoUS $503 years
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Typical MX500 250GB Builds (Compare 19,390 builds) See popular component choices, score breakdowns and rankings
Gaming 98%
Nuclear submarine
Desktop 87%
Aircraft carrier
Workstation 92%
Nuclear submarine

Motherboard: MSI B450 TOMAHAWK MAX (MS-7C02) - $130

EDIT WITH CUSTOM PC BUILDER Value: 122% - Outstanding Total price: $496

Popular MX500 250GB compatible motherboards:

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

Fly through everything you do...

Added 6 years ago.


22 months ago.

Good performance/price ssd with ddr cache


3 years ago.

Deal  samsung.com/...

samsung it's the best


17 months ago.

very good performance for price


2 years ago.

best budget friendly and work more than its worth


10 months ago.

it is trash. has 65percent health after only two years


4 years ago.

I have MX 500 and it is great on day to day basis


6 years ago.


5 years ago.

One of the better SSDs, especially for the money. Why so many downvotes? People must be too whiny


4 years ago.

This SSD is faster than the Kingston A400 and is usually not much more expensive, a good option for those who want a SATA3 SSD a little faster.


3 years ago.

Why spend more on a Samsung SSD?

1080 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

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