4GB 400MHz DDR2 ECC Registered

4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4..Standard 512M X 72 ECC 400MHz 240-pin Registered DIMM (SDRAM-DDR2, 1.8V, CL3). ValueRAM 512M x 72-bit 4GB (4096MB) DDR2-400 CL3 SDRAM (Synchronous DRAM) "dual rank" registered ECC memory module. The components on this module include eighteen stacked 512M x 4-Bit (thirty-six 256M x 4-bit) DDR2-400 SDRAM. This 240-pin DIMM uses gold contact fing

4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4...Standard 512M X 72 ECC 400MHz 240-pin Registered DIMM (SDRAM-DDR2, 1.8V, CL3). ValueRAM 512M x 72-bit 4GB (4096MB) DDR2-400 CL3 SDRAM (Synchronous DRAM) "dual rank" registered ECC memory module. The components on this module include eighteen stacked 512M x 4-Bit (thirty-six 256M x 4-bit) DDR2-400 SDRAM. This 240-pin DIMM uses gold contact fingers and requires +1.8V.