Comes with 10 X 36GB Drives Supports RAID 0, 1, 3, 5, and 10
Mirrored, battery-backed cache with automatic write cache de-staging.
Intelligent battery conditioning and monitoring, with auto-disable of the cache in the event of an alarm
Data-through checking; checksum validation on all writes to help protect data in a rolling disaster
Dual storage processors
Dual-ported, hot-swappable fibre channel drives
Redundant, hot-pluggable power supply
Redundant cooling fans
The PowerVault 650F scales to 8TB.
The Dell SAN configuration scales to 70TB
100MB/s fibre channel interface (up to 200MB/s full duplex operation)
Fibre channel technology is utilized in both the host-to-storage interconnect and disk drives
400MHz processors on RAID controllers Up to 512MB cache
Supports up to eleven PowerVault 630F disk expansion units for a total of 120 x 73GB fibre channel drives (8,760GB or 8.76TB maximum) directly attaches up to two Dell PowerEdgeTM or non-Dell servers; four servers in non-redundant configuration

The Dell SAN configuration supports multiple clusters attached to a single PowerVault 650F

On-line capacity expansion allows additional physical storage to be added to the storage subsystem without having to shut down the storage subsystem or servers running Microsoft® Windows® 2000 On-line volume expansion can give you the ability to increase the size of a server's file systems and underlying volumes with no reboot required High performance 10,000 rpm and 7,200 rpm fibre channel drives Supports 1.6 inch and 1 inch drives

9GB, 18GB, 36GB, and 73GB drives available
Rack size 6.5 U
Height 11.25 in (28.59 cm)
Width 26.8 in (68.0 cm)
Depth 27.57 in (70.02 cm)
Weight (max configuration) 114.4 lb. (52.0 kg)
AC line voltage 100 to 240 Vac ± 10%, single phase, 47 to 63Hz
AC line current 8.0 A max estimate at 100 V (fully configured)