Select your the server Group to see Hard Drives and accessories that will work with your server. P2473A P2507A P2474A P2475A P4507A P3579A Hot Swap Disks for Model LP Netservers P4619A P4620A P4623A P4624A A6538A A6539A A6541A for Netserver TC4100 TC3100 and DS 300GB Hot Swap Hot Plug Drives