Asus Z170-WS Workstation Motherboard - Intel Z170 Chipset - Socket H4 LGA-1151 - ATX - 1 x Processor Support - 64GB DDR4 SDRAM Maximum RAM - 3.73 GHz, 3.60 GHz, 3.47 GHz, 3.40 GHz, 3.33 GHz, 3.30 GHz, 3.20 GHz, 3 GHz, 2.80 GHz, 2.67 GHz, 2.40 GHz, ... (O.C.), (O.C.), (O.C.), (O.C.), (O.C.), (O.C.), (O.C.), (O.C.), (O.C.), (O.C.), (O.C.) Memory Speed Supported - DIMM, UDIMM - 4 x Memory Slots - SLI, CrossFireX Support - Serial ATA/600 RAID Supported Controller - 0, 1, 5, 10 RAID Levels - CP
Please note: Kaby Lake processors will require you to update the BIOS of motherboards built prior to the Z270 standard. Items returned due to this issue will not be considered defective.