Smart Array 1GB Cache Module (633542-001) for P222 P420 P421 Controller Cards

Replacement 1GB cache module for Smart Array controllers — part number 633542-001. Equipped with an onboard memory capacitor to protect cached data, this module installs on Smart Array controller cards to provide 1GB of cache. Compatible with P222, P420 and P421 controller cards to enhance controller performance and data protection.You may also like LCD Hinge Assembly for P1 & X1 Extreme (Gen1 / Gen2 / Gen3, 1st-3rd Gen) — 01YU738 / 01YU739 TOUCH.