As one of its daily deals, Newegg offers the ASRock Fatal1ty Z170 Gaming K6 LGA 1151 Intel ATX Motherboard for $149.99. This $10 mail-in rebate drops it to $139.99. With free shipping, that's the lowest total price we could find by $45. It supports up to 6th-generation i7 processors, 4096x2304 resolutions (4K UHD), and 64GB RAM. It features three PCI Express 3.0 x16 slots, three PCI Express 3.0 x1 slots, eight Serial ATA 6Gb/s slots, two Serial ATA Express 10Gb/s connectors, one M.2 socket, 7.1-channel audio, Gigabit Ethernet, five rear USB 3.0 ports, USB 3.1 Type-A and Type-C ports, and HDMI, DVI-D, and DisplayPort outputs. Deal ends today.

Also available is the ASRock Z170 OC Formula LGA 1151 Intel Z170 HDMI SATA 6Gb/s USB 3.1 USB 3.0 ATX Intel Motherboard for $219.99. This $20 mail-in rebate drops it to $199.99. With $2.99 for shipping, that's the lowest price we could find by $46. It supports up to 6th-generation i7 processors, 4096x2304 resolutions (4K UHD), and 64GB RAM. It features four PCI Express 3.0 x16 slots, one PCI Express 3.0 x1 slot, one Mini-PCI Express slot, 10 Serial ATA 6Gb/s slots, three Serial ATA Express 10Gb/s connectors, three M.2 sockets, 7.1-channel audio, Gigabit Ethernet, four rear USB 3.0 ports, USB 3.1 Type-A and Type-C ports, and HDMI and DisplayPort outputs. Rebate ends April 30.