512MB, 100-pin, DDR DIMM - Used to add flash memory-based accessory fonts, macros, and patterns
HP Q7720-67951, 512 MB, Color LaserJet 4730 MFP, LaserJet 9040MFP, LaserJet 9050MFP, LaserJet M5025 MFP, LaserJet M5035..., DDR, 100-pin DIMM
HP Q7720-67951. Capacity: 512 MB, Compatibility: Color LaserJet 4730 MFP, LaserJet 9040MFP, LaserJet 9050MFP, LaserJet M5025 MFP, LaserJet M5035..., Internal memory type: DDR