1TB SATA Internal Laptop Hard Drive/HDD for Dell Latitude 13 131L D520 D530 D531 D620 D630 D631 D820 D830 D830N E4300 E5400 E5420 E5430 E5500 E5510 E5530 E6330 E6400 E6410 E6420 E6500 E6510 E6520 1000GB 5400RPM 8MB Cache SATA III 6.0Gb/s