128MB, 100-pin SDRAM DIMM memory module
HP Q7709-67951, 128 MB, LaserJet 1320, LaserJet 4100, LaserJet 4200, LaserJet 4300, LaserJet 5100, LaserJet 8100, LaserJet..., 100-pin DIMM
HP Q7709-67951. Capacity: 128 MB, Compatibility: LaserJet 1320, LaserJet 4100, LaserJet 4200, LaserJet 4300, LaserJet 5100, LaserJet 8100, LaserJet..., Memory form factor: 100-pin DIMM