DDR2 667 (PC2-5300) ECC Registered 240-pin Memory — 8GB Kit (2x4GB) (2Rx4)

Pack of two matched 4GB modules providing an 8GB Kit (2x4GB). These are DDR2 667 (PC2-5300) modules with ECC Registered functionality for error-correcting operation. Each module is a 240-pin DIMM and is configured as 2Rx4. Suited for systems that require registered ECC memory to improve stability and data integrity.