Replacement Motherboard for P520 & P340 Tower Desktop — I4X0MS (5B20U54140), Q470, LGA 1200, DDR4

Replacement tower-form-factor desktop motherboard compatible with P520 and P340 systems. Model I4X0MS, part number 5B20U54140. Equipped with the Intel Q470 chipset, LGA 1200 CPU socket, and DDR4 memory support. Suited for repairs, refurbishments, or upgrades that require original-spec compatibility.