The Micron 128MB-PC133R-ECC-REG is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Micron Part Number: 128MB-PC133R-ECC-REG Details: Micron 128MB-PC133R-ECC-REG 128MB DIMM, PC133,CL3, Ecc,Reg, 168Pin (THC9B2-B3-14C)