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| Product | Crucial m4 2.5" SSD (512GB) | Samsung 840 (500GB, SSD) | Samsung 840 Pro (512GB) | OCZ Vertex 4 SSD (512GB) | Samsung 840 Pro (256GB) |
| Price | $378.99 to $537.62 | $327.99 to $539.85 | $434.99 to $724.74 | $399.88 to $774.87 | $229.00 to $434.17 |
| CNET editors' rating | 4 stars | 3.5 stars | 4 stars | 4 stars | 4 stars |
| Average user rating | 2 stars | 0 stars | 0 stars | 0 stars | 5 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| 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. | The Samsung 840 series is an excellent entry-level solid-state drive for budget and general users, but not really a good buy for advanced or professional users. | The Samsung 840 Pro lives up to its name: it's a top-notch solid-state drive for professionals with a price to match. | The OCZ Vertex 4 is an excellent replacement drive for a standard-size laptop or desktop. | The Samsung 840 Pro lives up to its name: it's a top-notch solid-state drive for professionals with a price to match. |
| Product Description | Crucial m4 - Solid state drive - 512 GB - Serial ATA-600 | Samsung 840 Series MZ-7TD500 - Solid state drive - 500 GB - Serial ATA-600 | Samsung 840 Pro Series MZ-7PD512 - Solid state drive - 512 GB - Serial ATA-600 | OCZ Vertex 4 Series Solid state drive - 512 GB - Serial ATA-600 | Samsung 840 Pro Series MZ-7PD256 - Solid state drive - 256 GB - Serial ATA-600 |
| Packaged Quantity | 1 | 1 | 1 | 1 | 1 |
| Type | Solid state drive - Internal hard drive | Solid state drive - Internal hard drive | Solid state drive - Internal hard drive | Solid state drive - Internal hard drive | Solid state drive - Internal hard drive |
| Capacity | 512 GB | 500 GB | 512 GB | 512 GB | 256 GB |
| Form Factor | 2.5" x 1/8H | 2.5" Ultra Slim Line | 2.5" Ultra Slim Line | 2.5" x 1/8H | 2.5" Ultra Slim Line |
| Interface | Serial ATA-600 | Serial ATA-600 | Serial ATA-600 | Serial ATA-600 | Serial ATA-600 |
| Features | S.M.A.R.T. | TRIM support , S.M.A.R.T. Garbage Collection technology | TRIM support , S.M.A.R.T. Garbage Collection technology , 256-bit AES Hardware Full Disk Encryption (FDE) | TRIM support , S.M.A.R.T. Background Garbage Collection , 256-bit AES Shock resistant Indilinx Ndurance 2.0 Technology Dynamic and Static Wear Leveling | TRIM support , S.M.A.R.T. Garbage Collection technology |
| Dimensions (WxDxH) | 2.8 in x 4 in x 0.4 in | 3.9 in x 0.3 in | 2.7 in x 3.9 in x 0.3 in | 3.9 in x 2.8 in x 0.4 in | 3.9 in x 0.3 in |
| Weight | 2.6 oz | 2.4 oz | 2.2 oz | Info unavailable | 2.4 oz |
| Manufacturer Warranty | 3 years warranty | 3 years warranty | 5 years warranty | 5 years warranty | 5 years warranty |
| Data Transfer Rate | Info unavailable | 600 MBps | 600 MBps | 600 MBps | 600 MBps |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Crucial m4 2.5" SSD compare (512GB)
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