AddOn Networks MEM2821-256U512D-AO memory module 0.5 GB 1 x 0.5 GB DDR 266 MHz ECC

AddOn Networks MEM2821-256U512D-AO. Internal memory: 0.5 GB, Memory layout (modules x size): 1 x 0.5 GB, Internal memory type: DDR, Memory clock speed: 266 MHz, Memory form factor: 184-pin DIMM, ECC