Support for 9th and 8th Generation Intel® Core™ i9 processors/Intel® Core™ i7 processors/Intel® Core™ i5 processors/Intel® Core™ i3 processors/Intel® Pentium® processors/Intel® Celeron® processors in the LGA1151 package L3 cache varies with CPU

4 x DDR4 DIMM sockets supporting up to 128GB (32GB single DIMM capacity) of system memory** ** Please note that the support for system total memory size depends on the CPU installed. Dual channel memory architecture Support for DDR4 4400(O.C.) / 4333(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3800(O.C.) / 3733(O.C.) / 3666(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200(O.C.) / 3000(O.C.) / 2800(O.C.) / 2666 / 2400 / 2133 MHz memory modules Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode) Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules (Please refer “Memory Support List” for more information.)

4 x DDR4 DIMM sockets supporting up to 128GB (32GB single DIMM capacity) of system memory** ** Please note that the support for system total memory size depends on the CPU installed. Dual channel memory architecture Support for DDR4 4400(O.C.) / 4333(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3800(O.C.) / 3733(O.C.) / 3666(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200(O.C.) / 3000(O.C.) / 2800(O.C.) / 2666 / 2400 / 2133 MHz memory modules Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode) Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules (Please refer “Memory Support List” for more information.)

Intel® Z390 Express Chipset

1 x PCI Express x16 slot, running at x16 (PCIEX16) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot. 1 x PCI Express x16 slot, running at x8 (PCIEX8) * The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot operates at up to x8 mode. 1 x PCI Express x16 slot, running at x4 (PCIEX4) * The PCIEX4 slot shares bandwidth with the M2P connector. The PCIEX4 slot operates at up to x2 mode when a PCIe SSD is installed in the M2P connector. (All of the PCI Express x16 slots conform to PCI Express 3.0 standard.) 2 x PCI Express x1 slots (All of the PCI Express x1 slots conform to PCI Express 2.0 standard.) 1 x M.2 Socket 1 connector for an Intel® CNVi wireless module only (CNVI)

Chipset+Intel® Thunderbolt™ 3 Controller: 2 x USB Type-C™ ports on the back panel, with USB 3.1 Gen 2 support Chipset: 1 x USB Type-C™ port with USB 3.1 Gen 2 support, available through the internal USB header 4 x USB 3.1 Gen 2 Type-A ports (red) on the back panel 4 x USB 3.1 Gen 1 ports (2 ports on the back panel, 2 ports available through the internal USB header) Chipset+2 USB 2.0 Hubs: 6 x USB 2.0/1.1 ports (2 ports on the back panel, 4 ports available through the internal USB headers)

2 x SMA antenna connectors (2T2R) 2 x Thunderbolt™ 3 connectors (USB Type-C™ ports, with USB 3.1 Gen 2 support) 4 x USB 3.1 Gen 2 Type-A ports (red) 2 x USB 3.1 Gen 1 ports 2 x USB 2.0/1.1 ports 1 x HDMI port 2 x RJ-45 ports 1 x optical S/PDIF Out connector 5 x audio jacks

1 x 24-pin ATX main power connector 2 x 8-pin ATX 12V power connectors 1 x OC PEG power connector 1 x CPU fan header 1 x water cooling CPU fan header 1 x water cooling kit CPU LED header (LED_CPU) 1 x water cooling kit Chipset LED header (LED_PCH) 4 x system fan headers 2 x system fan/water cooling pump headers 2 x addressable LED strip headers 2 x addressable LED strip power select jumpers 2 x RGB LED strip headers 6 x SATA 6Gb/s connectors 3 x M.2 Socket 3 connectors 1 x front panel header 1 x front panel audio header 1 x USB Type-C™ port, with USB 3.1 Gen 2 support 1 x USB 3.1 Gen 1 header 2 x USB 2.0/1.1 headers 1 x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module only) 1 x GC-OC Touch add-in card connector 1 x Clear CMOS jumper 2 x temperature sensor headers 1 x power button 1 x reset button 1 x Clear CMOS button 1 x OC button 2 x BIOS switches

1 x Aquantia GbE LAN chip (10 Gbit/5 Gbit/2.5 Gbit/1000 Mbit/100 Mbit) (LAN1) 1 x Intel® GbE LAN phy (10/100/1000 Mbit) (LAN2)

Realtek® ALC1220-VB codec ESS ES9018K2M DAC and TI OPA1622 operational amplifiers * The front panel line out jack supports DSD audio. High Definition Audio 2/4/5.1/7.1-channel Support for S/PDIF Out

Support for Windows 10 64-bit

E-ATX Form Factor; 30.5cm x 27.1cm