Kingston PC2100 DDR RAM 512 MB (KVR266SO512R)
Kingston PC2100 DDR RAM 512 MB (KVR266SO512R) - 512 MB, Registered Unbuffered PC2100 DDR Non-ECC RAM, 266 MHz, CL2.5, SO DIMM 200-pin, 1 module, Module 512 MB DDR 266 MHz SODIMM, Non ECC (KVR266X64SC25 / 512)