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WD Blue 250GB Laptop 7mm Hard Drive: 2.5 Inch SATA 6Gb/s 5400 RPM 8MB Cache WD2500LPVX

Low profile design to fit thin laptops and tablets
Low power consumption and ultra-quiet design
Reliable and rugged -ShockGuard technology protects the drive mechanics and platter surfaces from shocks SecurePark parks the recording heads off the disk surface during spin up spin down and when the drive is off
2 year limited warranty