Kingston ValueRAM - Memory - 4 GB ( 2 x 2 GB ) - FB-DIMM - DDR II - 533 MHz - CL4 - 1.8 V - Fully Buffered - ECC
 
Kingston Memory ValueRam/1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rankx8 240PIN
 
Kingston Memory/4GB 533MHz DDR2 ECC Fully Buffered CL4 DIMM Dual Rank, x4
 
Kingston Value Ram/2GB 533Mhz DDR2 ECC fully buffered CL4 DIMM dual rankx4
 
Kingston Memory/2GB 533MHz DDR2 ECC Fully Buffered CL4 DIMM (Kit of 2) Dual Rank, x8 Standard 128M X 72 ECC 533MHz 240-pin Fully Buffered DIMM (SDRAM-DDR2, 1.8V, CL4, FBGA, Gold)