Amazon.com: WWWFZS MotherboardsKM92T, Fit for DELL Alienware X51 R1 System Motherboard 1717 cm DDR3 H61 Lga 1155 Motherboard Original Desktop Mini Itx 0KM92T KM92Motherboard Processor Motherboard chip : Electronics
06G6JW Dell System Board (Motherboard) for Alienware X51
Dell 8PG26 - Intel H61 MS-7704 Motherboard / System Board for Alienware X51 Series - CPU Medics