HP Smart Array 641 Ultra320 Controller with 64MB Cache - 64-bit 133MHz PCI-X PC Board - Has one Internal 68-pin Connector - Can add 128MB Battery Backed Write Cache (BBWC) Module
See optionional BBWC Below
Option Part# 291966-B21
Spare Part# 305414-001
The new Smart Array 641 Controller (SA-641) is a 64-bit 133-MHz
PCI -X dual SCSI channel PCI array controller for entry level hardware-based fault tolerance. Utilizing a SCSI channel (1 internal) of the SA-641 allows you to configure up to 6 internal hard drives to store up to 880.8GB of storage. The SA-641 provides high reliability and increased performance over the LC2 controller thus providing excellent value and lowering the total server ownership cost. In addition the SA-641 is data compatible with all Ultra320 Wide Ultra3 and Wide Ultra2 drives offering an unparalleled degree of investment protection. Designed and integrated with HP entry-level and workgroup ProLiant servers this product provides worry-free data protection.