Lenovo 500GB 5400rpm internal hard drive 8 MB 2.5" Serial ATA

The ThinkPad 500GB 5400rpm SATA 3.0Gb/s 7mm 4k Hard Drive option (0A65631) provides a robust thin design enabling a seamless upgrade from the primary hard drive of supported ThinkPad laptops. This affordable option provides good storage size along with advanced format, and SATA data transfer capabilities. The Advance Format or 4k sector emulates the 512 sector drives while delivering higher capacity points along with improved error correction capabilities. The ultimate benefit of higher HDD density and better yield at a lower cost per gigabyte.