Product: IM-10003587 Manufacturer: HP-COMPAQ Brand: HP-COMPAQ Model: LaserJet 4100mfp, 4101mfp Part Number: C4141A Price: $19.25 Description: 8MB Module For: PRINTERS: LaserJet 4100mfp, 4101mfp Std. Memory:64MB R Max. Memory:256MB # Slots:3