Excito B3, 500GB. Total storage capacity: 500 GB, Hard drive capacity: 500 GB, Hard drive interface: Serial ATA II. Memory type: DDR2, Internal memory: 512 MB. Processor family: Marvell, Processor clock speed: 1200 MHz. Compliance industry standards: IEEE 802.3/802.3u/802.3ab, Networking features: Gigabit Ethernet, Cabling technology: 10-100-1000Base-T(X). Security algorithms supported: HTTPS