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Green rectangular MiniDIMM module with black chips and gold edge connector

HPE

HPE 633543-001 2GB FBWC DDR3 Cache Memory

SKU CH-R22F-NGN05 MPN 633543-001

2GB DDR3 flash-backed write cache MiniDIMM for compatible Smart Array controllers

  • TypeCache Memory
  • 2GB flash-backed write cache protects data during power loss
  • 72-bit DDR3 SDRAM module delivers high-throughput cache performance
  • MiniDIMM form factor fits supported Smart Array controllers
  • Compatible with P420, P421, P430, P431, 822 and 830 controllers
  • Memory-only module excludes controller board and capacitor pack

2 GB FBWC DDR3 Cache Module

The 2 GB flash-backed write cache module uses DDR3 SDRAM in a 72-bit wide MiniDIMM form factor. It is designed for HP Smart Array controllers P420, P421, P430, P431, 822 and 830. The unit ships without the controller board or capacitor module. Administrators add this cache to enable accelerated write performance on supported RAID arrays.

MiniDIMM Build and Controller Integration

The MiniDIMM package plugs directly into the compatible Smart Array controller slot. Because the controller board and capacitor module are not included, the cache must be paired with an existing or separately sourced controller assembly. The flash-backed design preserves cached data during power loss without relying on a battery backup unit. Installation follows the controller's service documentation for the listed part numbers.

DDR3 FBWC Capacity and Compatibility Limits

The 2 GB capacity and DDR3 interface define the maximum cache size this module provides for the supported controllers. It cannot be used with Smart Array models outside the P420, P421, P430, P431, 822 and 830 range. Systems requiring larger cache pools or newer memory technologies will need a different controller generation that supports those specifications.

Points forts

  • 2GB flash-backed write cache protects data during power loss
  • 72-bit DDR3 SDRAM module delivers high-throughput cache performance
  • MiniDIMM form factor fits supported Smart Array controllers
  • Compatible with P420, P421, P430, P431, 822 and 830 controllers
  • Memory-only module excludes controller board and capacitor pack

Caractéristiques

BrandHPE
TypeCache Memory
Poids d’expédition1.36 kg
Dimensions du colis168 × 140 × 38 mm

Questions sur cet article

What does the 72-bit wide DDR3 interface mean for the cache capacity?

The module provides 2 GB of flash backed write cache over a 72-bit wide DDR3 bus, matching the controller's data path.

Will this MiniDIMM fit my Smart Array P420 without extra parts?

The MiniDIMM form factor slots directly into the P420, P421, P430, P431, 822 or 830 controller; the capacitor module and controller board are not included.

How is the FBWC module installed and what step is often missed?

Power down the server, insert the MiniDIMM into the controller's cache slot, then attach the separate capacitor pack to the controller board before powering on.

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