64MB, 100-pin, DDR DIMM - Used to add flash memory-based accessory fonts, macros, and patterns
HP Q7715-67951, 64 MB, LaserJet 9040MFP, LaserJet 9050MFP, LaserJet M5025 MFP, LaserJet M5035 MFP, LaserJet 2420,..., DDR, 100-pin DIMM
HP Q7715-67951. Capacity: 64 MB, Compatibility: LaserJet 9040MFP, LaserJet 9050MFP, LaserJet M5025 MFP, LaserJet M5035 MFP, LaserJet 2420,..., Internal memory type: DDR