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Green PCI-X plug-in card, two internal and two external VHDCI SCSI ports, silver heatsink, 12.3 by 4.2 inches

HPE

HPE 6402/128Product Smart Array SCSI RAID Controller

SKU CH-WRZJ-7682G MPN 6402/128Product

An Ultra320 SCSI RAID controller with PCI-X host interface, four VHDCI ports, and RAID ADG support

  • Electrical Outlet Plug TypeSCSI Controller
  • Supports RAID ADG for advanced data protection
  • Ultra320 SCSI delivers 320 MB/s maximum transfer rate
  • Four VHDCI ports enable two internal and two external connections
  • PCI-X host interface fits ProLiant server expansion slots
  • DDR battery-backed write cache safeguards data during power loss

HPE 6402/128 SCSI RAID Controller

The HPE 6402/128 is a plug-in PCI-X array controller built for HP ProLiant servers. It delivers Ultra320 SCSI connectivity with hardware RAID for internal and external storage arrays. Administrators managing legacy server infrastructure use it to add four independent SCSI channels. The card fits a standard low-profile slot in supported chassis.

Thermals and power in normal use

As a passive add-in card, the 6402/128 draws power from the PCI-X bus and relies on server chassis airflow for cooling. No onboard fan is present, so acoustic output is limited to the system fans already moving air across the slot. Typical power draw remains within the PCI-X specification for a controller of this class. Stable operation depends on adequate case ventilation.

RAID ADG and four VHDCI ports

The controller supports RAID levels 0, 1, 10, 5 and Advanced Data Guarding (ADG) for dual-parity protection. Two internal and two external VHDCI connectors provide a maximum transfer rate of 320 MB/s per channel. Battery-backed write cache uses a DDR architecture to preserve data during power loss. This combination of port count and RAID ADG decides whether the card matches the storage resilience plan.

Highlights

  • Supports RAID ADG for advanced data protection
  • Ultra320 SCSI delivers 320 MB/s maximum transfer rate
  • Four VHDCI ports enable two internal and two external connections
  • PCI-X host interface fits ProLiant server expansion slots
  • DDR battery-backed write cache safeguards data during power loss

Specifications

BrandHPE
Electrical Outlet Plug TypeSCSI Controller

Questions about this item

How do I install the PCI-X card and which step do people get wrong?

Insert the 12.3 inch plug-in card into a PCI-X slot, then attach both internal and external VHDCI cables; the step often missed is connecting the battery-backed write cache module before powering on.

What maintenance will the controller need later?

The DDR battery-backed write cache uses a replaceable battery module that should be swapped when the controller logs a cache battery low warning.

What limit appears first under sustained write load?

The 320 MB/s Ultra320 SCSI bus saturates before the dual-channel RAID engine reaches its throughput ceiling.

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