1. 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
2. L3 cache varies with CPU

(Please refer to "CPU Support List" for more information.)

1. Intel^® Z390 Express Chipset

1. 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.
2. Dual channel memory architecture
3. 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
4. Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)
5. Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
6. Support for Extreme Memory Profile (XMP) memory modules

(Please refer "Memory Support List" for more information.)

Integrated Graphics Processor+Intel^® Thunderbolt™ 3 Controller:

1. 2 x Intel^® Thunderbolt™ 3 connectors (USB Type-C™ ports), supporting DisplayPort and Thunderbolt™ video outputs and a maximum resolution of 4096x2304@60 Hz
   * Because of the limited I/O resources of the PC architecture, the number of Thunderbolt™ devices that can be used is dependent on the number of the PCI Express devices being installed. (Refer to Chapter 1-7, "Back Panel Connectors," for more information.)
   * Support for DisplayPort 1.2 version.

Integrated Graphics Processor-Intel^® HD Graphics support:

1. 1 x HDMI port, supporting a maximum resolution of 4096x2160@30 Hz
   * Support for HDMI 1.4 version and HDCP 2.2.

Maximum shared memory of 1 GB
Actual support may vary by CPU

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

1. 1 x Aquantia GbE LAN chip (10 Gbit/5 Gbit/2.5 Gbit/1000 Mbit/100 Mbit) (LAN1)
2. 1 x Intel^® GbE LAN phy (10/100/1000 Mbit) (LAN2)

1. Intel^® CNVi interface 802.11a/b/g/n/ac, supporting 2.4/5 GHz Dual-Band
2. BLUETOOTH 5
3. Support for 11ac 160 MHz wireless standard and up to 1.73 Gbps data rate
   * Actual data rate may vary depending on environment and equipment.

1. 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.
2. 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.
3. 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.)
4. 2 x PCI Express x1 slots
   (All of the PCI Express x1 slots conform to PCI Express 2.0 standard.)
5. 1 x M.2 Socket 1 connector for an Intel^® CNVi wireless module only (CNVI)

1. Support for NVIDIA^® Quad-GPU SLI™ and 2-Way NVIDIA^® SLI™ technologies
2. Support for AMD Quad-GPU CrossFire™ and 3-Way/2-Way AMD CrossFire™ technologies

Chipset:

1. 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280/22110 SATA and PCIe x4/x2 SSD support) (M2M)
2. 1 x M.2 connector (Socket 3, M key, type 2260/2280/22110 SATA and PCIe x4/x2 SSD support) (M2A)
3. 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 PCIe x4/x2 SSD support) (M2P)
4. 6 x SATA 6Gb/s connectors
5. Support for RAID 0, RAID 1, RAID 5, and RAID 10
   * Refer to "1-10 Internal Connectors," for the installation notices for the PCIEX4, M.2, and SATA connectors.

Intel® Optane™ Memory Ready

Chipset+Intel^® Thunderbolt™ 3 Controller:

1. 2 x USB Type-C™ ports on the back panel, with USB 3.1 Gen 2 support

Chipset:

1. 1 x USB Type-C™ port with USB 3.1 Gen 2 support, available through the internal USB header
2. 4 x USB 3.1 Gen 2 Type-A ports (red) on the back panel
3. 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:

1. 6 x USB 2.0/1.1 ports (2 ports on the back panel, 4 ports available through the internal USB headers)

1. 1 x 24-pin ATX main power connector
2. 2 x 8-pin ATX 12V power connectors
3. 1 x OC PEG power connector
4. 1 x CPU fan header
5. 1 x water cooling CPU fan header
6. 1 x water cooling kit CPU LED header (LED_CPU)
7. 1 x water cooling kit Chipset LED header (LED_PCH)
8. 4 x system fan headers
9. 2 x system fan/water cooling pump headers
10. 2 x addressable LED strip headers
11. 2 x addressable LED strip power select jumpers
12. 2 x RGB LED strip headers
13. 6 x SATA 6Gb/s connectors
14. 3 x M.2 Socket 3 connectors
15. 1 x front panel header
16. 1 x front panel audio header
17. 1 x USB Type-C™ port, with USB 3.1 Gen 2 support
18. 1 x USB 3.1 Gen 1 header
19. 2 x USB 2.0/1.1 headers
20. 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
21. 1 x GC-OC Touch add-in card connector
22. 1 x Clear CMOS jumper
23. 2 x temperature sensor headers
24. 1 x power button
25. 1 x reset button
26. 1 x Clear CMOS button