Up to 3 x PCI Express x1 slots (depending on specific revision).
Acer B85H3-AM motherboard — free to a good home. LGA 1150 socket, Intel B85 chipset, supports 4th-generation Intel Core i3/i5/i7 CPUs. 4 DIMM slots (up to 32GB DDR3), SATA III ports, PCIe x16 for a discrete GPU, onboard audio and Gigabit Ethernet. Cosmetically good, tested and working — boots to BIOS and recognizes RAM and CPU. Includes I/O shield; no CPU cooler, RAM, or storage included. acer b85h3am motherboard free
The is an OEM motherboard (often manufactured by ECS Elitegroup for Acer) typically found in Veriton series desktops. 1. Hardware Specifications Up to 3 x PCI Express x1 slots