HP Integrity rx4640 Server - Manual (Page 7)

Hardware features 7
RAID levels supported 0, 1, 1+0, 5, ADG
Processor type PowerPC 405 at 266 MHz
DDR SDRAM bus transfer rate Up to 2.0 GB/s at 266 MHz (DDR, 72 bit)
Connector type 3.3-V, 64-bit, Wide PCI-X (compatible with PCI slot)
PCI-X transfer rate Up to 1.0 GB/s at 133 MHz (64 bit)
Number of SCSI channels 6402: 2 LVD-only; 6404: 4 LVD-only
Maximum number of drives per SCSI
channel 15 (14 in an external enclosure)
SCSI connector type 68-pin Wide internal, VHDCI external
SCSI termination Required, and provided on Compaq and newer HP systems
SCSI transfer rate Up to 320 MB/s (160 MHz DDR) per channel
For more information about the controller features and specifications, and for information about system
requirements, refer to the HP website (
http://www.hp.com/products/smartarray ).