10x with compatible HP 364XL chip Two COMPLETE CARTRIDGE INK HP364. DESKJET 3070A, 3520 OFFICEJET 4610, 4620, 4622 PHOTOSMART: B8550, B8553, B8558, C5324, C5370, C5373, C5380, C5383, C5388, C5390, C5393, C6300, C6324, C6340, C6350, C6380, C6383, D5445, D5460, D5463, D5468, D7560, B109, B110a, B111, B209, B210, B211, C309, C310, C410 5510th, 5515th, 5520, 5524, 6510, 6520, 7510, 7520 ALL IN ONE, MORE OTHERS. INCLUDES 2x (24ml BLACK, cyan, magenta, yellow and photo black while 15ml) (Electronics)
30 in the trash. And as I did not check right away, I passed 30 days to return via amazon. We will not have me twice!