OWC 4GB (4x1GB) DDR2 533 PC2-4200 CL4 1Rx8 240-pin 1.8V Non-ECC UDIMM Desktop Memory Upgrade Kit

Kit contains 4 pieces of 1GB DDR2 533 PC2-4200 CL4 1Rx8 240-pin 1.8V Non-ECC Unbuffered DIMM memory modules for select desktop systems. Engineered and tested to meet or exceed OEM specifications, this warranty-safe upgrade is JEDEC-Standard and ROHS Compliant. Upgrading RAM is one of the simplest and most effective ways to improve overall PC performance; in most cases installation is a straightforward DIY task — refer to the OWC Basic Installation Video for guidance. Backed by Other World Computing’s consumer-friendly Advanced Replacement Program and a Limited Lifetime Warranty, the kit also includes free technical support from OWC.