Newegg offers the ASRock AB350 Pro4 AMD Promontory ATX Motherboard for $74.99. This $20 mail-in rebate drops it to $54.99. With $1.99 for shipping, that's $5 under our August mention and the lowest price we could find by $18. It features two PCIe 3.0 x16 slots, four PCIe 2.0 x1 slots, six Serial ATA connectors, two M.2 sockets, six USB 3.0 ports, and support for memory up to 64GB. Rebate expires January 31.