MSI MS-6577 Ver 3.1 motherboard with CPU installed (Socket 478, Pentium 4 era).This motherboard was removed from a working system and was functioning properly when disassembled. However, due to its age and my inability to test it currently, it is being sold AS-IS with no guarantees.Includes:MSI MS-6577 Ver 3.1 motherboardInstalled Socket 478 CPUCPU heatsink retention bracket (if shown in photos)Features:Socket 478 (Pentium 4 era)DDR memory supportAGP graphics slotIdeal for retro PC builds, legacy system repairs, or partsCondition:UsedUntested since removal from serviceClean overall conditionSold AS-IS, no returnsPlease review all photos carefully for condition and included items. You will receive exactly what is shown in the listing photos.Feel free to contact me with any questions before purchasing.