Samsung 320GB - 7200rpm - 8MB cache - SATA II

RPM:7200rpm - Series: HD320LJ - Capacity : 320GB- Cache: 8MB - Interface: Serial ATA II - Keep data search time: 4.2ms- The disc: 4 pcs

SAMSUNG SpinPoint P Series SP2504C 250GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive

Capacity :250GB;7200 RPM 8MB Cache;SATA 3.0Gb/s; Average Seek Time:8.9ms;Average Latency:4.17ms