The HP 951XL Yellow Ink Cartridge (CN048AN140) is a genuine original product by HP designed for use in inkjet printers. With a print technology of pigment, this cartridge is compatible with various HP Officejet Pro models such as 8610, 251dw, 8630, 8620, and 276dw. The cartridge has an expiration date of April 2015, providing a reliable and high-quality printing solution for users looking to maintain the performance of their printers.