Description:	Hard drive SATA 3.5in 640Gb (Gigabyte) Seagate/WD/Hitachi/Samsung (or possibly other brand) Note: Sample image of hard drive only
Apple part no:	661-4806, 655-1527A, 655-1527B
Apple description:	SVC,HDA,3.5",640GB,7200,SATA
Form factor:	3.5in (width)
Interface:	SATA
Model:	Varies
Speed:	7200rpm
Compatibility:	== Compatible == -- PowerMac G5 (all supported) -- iMac G5 (all supported) -- iMac Core Duo/Core 2 Duo (all supported) -- Mac Pro (all supported)