CB423A 256MB DDR2 144-pin DIMM Printer Memory for HP LaserJet P2015 P2015d P2015dn P2015n P2015x P2055 P2055d P2055dn P2055x M2727nf P3005 P3005d P3005n P3005dn P3005x CM2320 CM2320fxi CM2320nf CP1515n CP1518ni CP2025 CP2025n CP2025dn CP2025x CP5225x CP5225dn CP1525NW (PARTS-QUICK BRAND) Speed: PC2-3200 Form Factor: 144 pin Printer DIMM Warranty: Lifetime Capacity 256MB