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| Product | Seagate Momentus XT (second generation, 750GB) | WD Black SSHD (1TB) | Seagate Laptop Thin SSHD (500GB) | Seagate Momentus XT (500GB)  | WD VelociRaptor WD1000DHTZ (1TB, SATA-600) |
| Price | $107.04 to $220.70 | Pricing is currently unavailable. | $81.53 to $100.00 | $125.00 to $219.23 | $225.00 to $4,233.99 |
| CNET editors' rating | 4 stars | Info unavailable | 3.5 stars | 4 stars | 4 stars |
| Average user rating | 4 stars | 0 stars | 1 stars | 3.5 stars | 0 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | Similar to the original, the Momentus XT (second generation) makes an excellent host drive for any computer, both laptops and desktops. It offers great value in terms of performance and cost, especially when compared to SDDs. | Info unavailable | If you're looking for SSD-like performance at just a fraction of the cost, the Seagate Laptop Thin SSHD offers some gratification. | The Momentus XT is an excellent replacement for traditional laptop hard drives. It offers large capacities and SSD-like performance at a fraction of the cost. | WD VelociRaptor WD1000DHTZ makes an excellent storage solution for housing a large amount of data that's frequently accessed and manipulated. |
| Product Description | Seagate Momentus XT Hybrid hard drive - 750 GB | Info unavailable | - 500 GB Seagate Laptop Thin SSHD - Hybrid hard drive - Serial ATA-600 | Seagate Momentus XT ST95005620AS - Hybrid hard drive - 500 GB - Serial ATA-300 | WD VelociRaptor WD1000DHTZ - Hard drive - 1 TB - Serial ATA-600 |
| Packaged Quantity | 1 | Info unavailable | 1 | 1 | 1 |
| Type | Hybrid hard drive - Internal hard drive | Info unavailable | Hybrid hard drive - Internal hard drive | Hybrid hard drive - Internal hard drive | Hard drive - Internal hard drive |
| Capacity | 750 GB | Info unavailable | 500 GB | 500 GB | 1 TB |
| Form Factor | 2.5" x 1/8H | Info unavailable | 2.5" | 2.5" x 1/8H | 3.5" x 1/3H |
| Data Transfer Rate | 600 MBps | Info unavailable | 600 MBps | 300 MBps | 600 MBps |
| Buffer Size | 32 MB | Info unavailable | 64 MB | 32 MB | 64 MB |
| Spindle Speed | 7200 rpm | Info unavailable | 5400 rpm | 7200 rpm | 10000 rpm |
| Features | Native Command Queuing (NCQ) | Info unavailable | Native Command Queuing (NCQ) Ramp Load QuietStep | QuietStep Ramp Load Adaptive Memory technology | IcePack mounting frame , S.M.A.R.T. Preemptive Wear Leveling (PWL) NoTouch ramp load technology Rotary Acceleration Feed Forward (RAFF) Advanced Format technology |
| Dimensions (WxDxH) | 1.1 in x 4 in x 3.8 in | Info unavailable | 4 in x 0.3 in | 2.8 in x 3.9 in x 0.4 in | 4 in x 5.8 in x 1 in |
| Weight | 4.1 oz | Info unavailable | 3.4 oz | 3.9 oz | 17.6 oz |
| Manufacturer Warranty | 3 years warranty | Info unavailable | 3 years warranty | 3 years warranty | 5 years warranty |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices |
| Pricing is currently unavailable. |
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Seagate Momentus XT compare (second generation, 750GB)
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