HP - C7850-60001 - Memory 128MB 168-Pin DIMM C7850-60001 - HP - 128MB 168-Pin DIMM Memory for Color LaserJet 4550/5500 $131.46 $106.88
HP - C7850A - Memory 128MB 168-Pin DIMM C7850A - HP - 128MB 168-Pin DIMM Memory for Color LaserJet 4550/5500 $206.12 $167.58
HP - D6803A - Memory 128MB PC100 100MHz 168-Pin DIMM D6803A - HP - 128MB 100MHz PC100 non-ECC Unbuffered CL2 168-Pin DIMM 3.3V Memory Module $340.44 $276.78
HP - C7850-67901 - Memory 128MB 168-Pin DIMM C7850-67901 - HP - 128MB 168-Pin DIMM Memory for Color LaserJet 4550/5500 $206.12 $167.58
HP - PC133U - Memory 128MB PC133 133MHz 168-Pin DIMM PC133U - HP - 128MB PC133 133MHz non-ECC Unbuffered CL3 168-Pin DIMM Memory Module $325.68 $264.78