This remanufactured HP magenta 51640M cartridge is a high quality cartridge and represents a significant saving on the original HP 51640M cartridge. The HP 40 magenta cartridge is compatible with a wide range of HP printers and offers comparable quality to the original HP 51640M magenta cartridge.Our remanufactured magenta HP 51640M cartridges for this range of HP printers are amongst the lowest priced on the Internet and carry a 100% satisfaction guarantee. All our prices include VAT and delivery so the price you see is the price you pay.