Description: Interface (Product) : Smart Array 641 Ultra 320 (U320) 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 optional BBWC Below
Part Number(s)
Option Part# 291966-B21
Spare Part# 305414-001
Overview:
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.
Part#291966-B21 and Products ID1012059 Purchased after January 01 2012 is covered by an Unconditional Lifetime Warranty for as long as you own your
server
Genuine HP 291966-B21
Security ID
1012059
S/C: 33310120591 PN: 291966-B21
This product will have a Genuine HPE security sticker. We do not sell 3rd party HPE products.
291966-B21 Flat Rate Shipping Options
We have 333 pieces of 291966-B21 in stock and ready to ship as of
Thursday 9th of July 2026
291966-B21
This product has a 30 Day return and a Lifetime replacement warranty.