Office World Compatible Ink Cartridge Replacement for HP 950XL 951XL,Work with HP Officejet Pro 8600 8610 8620 8630 8640 8100 8625 8615 251dw 271dw 276dw Less expensive,same Great quality. What's in the Box: HP 950XL 951XL Ink Cartridge(1 Black, 1 Cyan, 1 Magenta, 1 Yellow) 4 Pack Compatibility: HP Officejet PRO 8100 8600 8610 8620 8630 8640 8660 8615 8625 251dw 276dw 271dw. Approximate page yield:~2300 pages black, ~1500 pages color 5% coverage. Customer Service:Please find your order and click 'Contact Seller',send us Email.