mwave offers the ASUS Maximus IV Extreme REV 3.0 ATX Motherboard
for $292.99. This $35 mail-in rebate
drops it to $257.99
. With free shipping
, that's the lowest total price we could find by $14. It uses the Intel P67 chipset and includes support for up to 32GB of DIMM RAM, four PCI-Express x16 slots, one PCI-Express x4 slot, one PCI-Express x1 slot, two SATA 6Gb/s ports, four SATA 3Gbps ports, eight USB 3.0 ports, nine USB 2.0 ports, and more. Rebate expires May 31.