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Green rectangular circuit board with gold edge connector and black chips, 512 MB FBWC cache module for P222 P420 controllers

HPE

HPE 633540-001 512 MB FBWC cache module for P222 P420

SKU CH-7SXP-JABNX

A 512 MB flash backed write cache module for HPE P222 and P420 RAID controllers

  • 512 MB flash-backed write cache protects data during power loss
  • 40-bit wide memory module boosts RAID controller throughput
  • Designed for HPE P222 and P420 Smart Array controllers
  • RoHS certified for environmentally responsible deployment
  • Cache module only — controller board and capacitor sold separately

512 MB FBWC module for P222 and P420

This HPE cache module adds 512 MB of flash-backed write cache to a Smart Array controller. It uses a 40-bit wide memory interface and carries RoHS environmental certification. The module is supplied new and ready for installation in compatible servers.

For administrators upgrading P222

The part is designed specifically for HPE P222 and P420 Smart Array RAID controllers. It does not fit other controller models or non-HPE hardware. Buyers who need a different capacity or a module for another controller family should look elsewhere.

512 MB flash-backed capacity

The memory size is 512 MB and the backup type is flash-backed write cache. This single specification determines whether the module matches the controller's cache slot and firmware requirements.

How it compares

Measured against everything we stock in Wi-Fi Routers, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 93% of the 495 comparable items (median $126.99).

Specifications

Product
Brand nameHPE

Questions about this item

Should I pick the 512 MB FBWC module or a different capacity for my P222 controller?

The 512 MB module is the only capacity listed for the 633540-001 part number and is designed for the P222 and P420 controllers.

What does the 512 MB flash backed write cache actually do inside the server?

It provides 512 MB of flash backed write cache that protects data in the controller cache during a power loss.

Does the 40-bit wide interface limit the cache speed on a P420 controller?

The module uses a 40-bit wide interface matched to the P222 and P420 Smart Array controllers.

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