... ,WAN(100M), LAN(1000M)16 X RJ11 can be combined with FXS and FXOHardware CPU: ATOM N270, 1.6GMHzRAM: 2 GB ... hard disk drivePSU: 300W Power Supply with industry standardDimensions: W: 465mm, H:44.5mm, D:370mmRackmountable: Comes with accesoriesModels FXSFXOZX100-A16016016ZX100-A16214214ZX100-A16412412