Thecus 1U4600R/2TB . Total storage capacity: 2000 GB, Hard drive capacity: 500 GB, Maximum capacity: 8 TB. Memory type: DDR2, Internal memory: 1024 MB. Networking features: Gigabit Ethernet, Cabling technology: 10/100/1000 BASE-TX. Power supply: 200 W. Compatible operating systems: Windows 2000/XP/2003/Vista/7 UNIX/Linux Mac OS 9 / X