: The official part number for the manual is often printed on a sticker inside the computer case – look for "FRU 46R1737" or similar. That FRU number can be searched directly.
Express chipset, which provides business-tier features like Intel vPro and stable manageability. four DDR3 DIMM slots supporting dual-channel memory up to (8GB per slot). Expansion Slots: 1 x PCI Express x16 (for dedicated graphics). 1 x PCI Express x1. 2 x legacy PCI slots. Connectivity & I/O