Western Digital WD WD1600AABS Caviar Blue 160GB 7200RPM HDD Hard Drive Western Digital Caviar Blue 160 GB SATA/300 Hard Drive General Features: 160 GB capacity SATA/300 interface 7200 RPM spindle speed 2 MB buffer 3.5-inch form factor Average latency: 4.2 ms WhisperDrive and SoftSeek technology ShockGuard Data Lifeguard protection features Power Specifications: +5V, 0.65A +12V, 0.41A