1TB 7.2K RPM SATA 3.5
HGST Part# HUA721010KLA330-RF
Hard Drives - Internal – Hard Drive - 32 MB Buffer - No Wireless LAN - Refurbished - Ultrastar A7K1000 - SATA - SATA/300 - 7200 Spindle Speed (rpm) - Internal - 3.5" Form Factor - 1 TB Storage Capacity - 1" Height - 0.5" Width
3TB Skyhawk 5.4K RPM
Seagate Part# ST3000VX015
Hard Drives - Internal – Hard Drive - 256 MB Buffer - No Wireless LAN - SkyHawk - SATA - SATA/600 - Internal - 3.5" Form Factor - Network Video Recorder - Camera - Video Recorder - 3 TB Storage Capacity - Conventional ...