Eathtek Replacement Laptop SATA Hard Drive Caddy For HP 6910 6910p 6930 6930p 8510 8510P TC4400 NW8440 NW9440 HP Probook 4310s Compatible Model Numbers: HP 6910 6910p 6930 6930p 8510 8510P TC4400 NW8440 NW9440 HP Probook 4310s Package Included: 1 x hdd caddy Replacement and high quality,Replace your faulty, cracked or broken dc power Each hdd caddy is tested before shipping All pictures are taken from the real item, please check carefully before bidding.