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Green circuit board with silver bracket and black connectors

HPE

HPE Smart Array P204i-c SR Gen10 RAID controller 804424-B21 12Gb/s SAS 1GB cache PCIe 3.0 x8

SKU CH-T8XW-RFS1D MPN 804424-B21

A 12Gb/s SAS RAID controller with 1GB cache and PCIe 3.0 x8 interface supporting RAID 0, 1, 5, 6, 10 and ADM

  • TypeSAS Controller
  • External Connectors12Gb/s SAS Serial ATA/600
  • InterfacePCI-Express 3.0 x8
  • Cache Memory1GB
  • RAID0 1 5 6 10 1 ADM
  • 12Gb/s SAS connectivity accelerates data transfer
  • PCI-Express 3.0 x8 interface provides high-bandwidth server integration
  • 1GB cache memory boosts read and write performance
  • Supports RAID 0 1 5 6 10 1 ADM for flexible data protection
  • HPE Smart Array series ensures reliable storage management

Internal SAS RAID controller

The HPE Smart Array P204i-c SR Gen10 connects up to 12Gb/s SAS and Serial ATA/600 drives through a PCI-Express 3.0 x8 slot. It is built for administrators who need hardware RAID on HPE Gen10 servers without occupying a full-height bay. The card provides 1GB cache to accelerate array operations.

Thermals noise and power draw

The controller uses a low-profile passive heatsink and draws power only from the PCIe slot. It adds minimal heat to the chassis airflow and produces no audible fan noise. Typical operation stays within the slot power budget, leaving headroom for other expansion cards.

Included accessories and software

A zero-maintenance cache module is integrated on the board, removing the need for a separate battery or capacitor pack. The firmware supports RAID 0, 1, 5, 6, 10 and ADM modes, plus HPE Smart Storage Administrator for online capacity expansion and migration. No additional cables or mounting brackets are supplied.

Highlights

  • 12Gb/s SAS connectivity accelerates data transfer
  • PCI-Express 3.0 x8 interface provides high-bandwidth server integration
  • 1GB cache memory boosts read and write performance
  • Supports RAID 0 1 5 6 10 1 ADM for flexible data protection
  • HPE Smart Array series ensures reliable storage management

Specifications

BrandHPE
SeriesSmart Array
TypeSAS Controller
External Connectors12Gb/s SAS Serial ATA/600
InterfacePCI-Express 3.0 x8
Cache Memory1GB
RAID0 1 5 6 10 1 ADM
Shipping weight0.45 kg
Package size251 × 218 × 64 mm

Questions about this item

How is the P204i-c SR Gen10 controller installed in the PCIe 3.0 x8 slot and what step is often missed?

Insert the card firmly into a PCIe 3.0 x8 slot, then connect the 12Gb/s SAS cables to the external connectors; the step often missed is enabling the controller in the server BIOS before creating any RAID volumes.

What maintenance will the 1GB cache memory need over time?

The 1GB cache is non-volatile flash-backed memory that requires no battery replacement or periodic servicing during the normal life of the controller.

Which limit appears first when the 12Gb/s SAS links run sustained workloads?

The PCIe 3.0 x8 host interface caps sustained throughput before the 12Gb/s SAS external connectors reach their own bandwidth ceiling.

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