Crucial m4 2.5" SSD (512GB) comparison

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Product name

Samsung 840 Evo (1TB)

Samsung 840 Evo (1TB)
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Samsung 840 Evo (750GB)

Samsung 840 Evo (750GB)
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WD Black 2 Dual Drive

WD Black 2 Dual Drive
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Price $499 at 1 store $411 to $643 at 12 stores $389 to $772 at 4 stores $338 to $4,686 at 10 stores $199 to $235 at 7 stores
CNET editors' rating
4.0 stars Excellent
    Overall score: 8.0 (4.0 stars)
Editors' choice 4.0 stars Excellent
    Overall score: 8.7 (4.0 stars)
Editors' choice 4.0 stars Excellent
    Overall score: 8.7 (4.0 stars)
4.0 stars Excellent
    Overall score: 8.0 (4.0 stars)
4.0 stars Excellent
    Overall score: 8.3 (4.0 stars)
Average user rating 2.0 stars out of 1 review 0 stars No reviews, write one! 5.0 stars out of 1 review 0 stars No reviews, write one! 0 stars No reviews, write one!
Release date May 27, 2011 July 25, 2013 July 25, 2013 September 20, 2012 November 22, 2013
The Bottom Line So far, the Crucial m4 offers the best value among SSDs. Though it's not the fastest, it's by far the most affordable among its peers. If you're looking for a fast SSD that offers top capacity at low cost, look no further than the Samsung 840 Evo. If you're looking for a fast SSD that offers top capacity at low cost, look no further than the Samsung 840 Evo. The Samsung 840 Pro lives up to its name: it's a top-notch solid-state drive for professionals with a price to match. Fast, user-friendly, and affordable, the WD Black 2 Dual Drive is an easy recommendation as a replacement drive for any standard laptop or desktop computer.

Basic specs

Features See What's the Same or What's different
Packaged Quantity 1
Info unavailable Info unavailable 1
Info unavailable
Dimensions (WxDxH) 2.8 in x 4 in x 0.4 in
Info unavailable Info unavailable 2.7 in x 3.9 in x 0.3 in
Info unavailable
Capacity 512 GB
Info unavailable Info unavailable 512 GB
1 TB
Features S.M.A.R.T.
Info unavailable Info unavailable TRIM support , S.M.A.R.T.
Garbage Collection technology , 256-bit AES
Hardware Full Disk Encryption (FDE)
Info unavailable
Interface Serial ATA-600
Info unavailable Info unavailable Serial ATA-600
Info unavailable
Product Description Info unavailable Info unavailable Info unavailable Info unavailable - 1 TB
Weight 2.6 oz
Info unavailable Info unavailable 2.2 oz
Info unavailable
NAND Flash Memory Type Multi-level cell (MLC)
Info unavailable Info unavailable Info unavailable Info unavailable
Data Transfer Rate Info unavailable Info unavailable Info unavailable 600 MBps
Info unavailable
Manufacturer Warranty 3 years warranty
Info unavailable Info unavailable 5 years warranty
Info unavailable
Form Factor 2.5" x 1/8H
Info unavailable Info unavailable 2.5" Ultra Slim Line
2.5"
Full specifications Full specifications Full specifications Full specifications Full specifications Full specifications
Buying choices
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