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Contents Safety information...v About this guide...vi ROG CROSSHAIR VIII EXTREME specifications summary vii Connectors with shared bandwidth xiii Package contents...xiv Installation tools and components xv Chapter 1: Product ...connection 2-13 2.1.8 Front I/O connector 2-14 2.1.9 Expansion card installation 2-15 2.1.10 Wi-Fi moving antenna installation 2-16 2.1.11 DIMM.2 installation 2-17 2.1.12 ROG FAN CONTROLLER installation 2-19 2.2 BIOS update utility 2-21 2.3 Motherboard rear and audio connections 2-23 2.3.1 Rear I/O connection 2-23 2.3.2 Audio I/O connections 2-25...
Contents Safety information...v About this guide...vi ROG CROSSHAIR VIII EXTREME specifications summary vii Connectors with shared bandwidth xiii Package contents...xiv Installation tools and components xv Chapter 1: Product ...connection 2-13 2.1.8 Front I/O connector 2-14 2.1.9 Expansion card installation 2-15 2.1.10 Wi-Fi moving antenna installation 2-16 2.1.11 DIMM.2 installation 2-17 2.1.12 ROG FAN CONTROLLER installation 2-19 2.2 BIOS update utility 2-21 2.3 Motherboard rear and audio connections 2-23 2.3.1 Rear I/O connection 2-23 2.3.2 Audio I/O connections 2-25...
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ROG CROSSHAIR VIII EXTREME specifications summary CPU Chipset Memory Graphics Expansion Slots Multi-GPU support AMD Socket AM4 for AMD Ryzen™ 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series / 2000 Series / 2000 G-Series Desktop Processors* * Refer to www.asus.com for CPU support ... 3000(OC) / 2933 / 2800 / 2666 / 2400 / 2133 MHz, un-buffered memory Dual Channel Memory Architecture OptiMem III * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types. 2 x Intel® Thunderbolt™ 4 ports...
ROG CROSSHAIR VIII EXTREME specifications summary CPU Chipset Memory Graphics Expansion Slots Multi-GPU support AMD Socket AM4 for AMD Ryzen™ 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series / 2000 Series / 2000 G-Series Desktop Processors* * Refer to www.asus.com for CPU support ... 3000(OC) / 2933 / 2800 / 2666 / 2400 / 2133 MHz, un-buffered memory Dual Channel Memory Architecture OptiMem III * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types. 2 x Intel® Thunderbolt™ 4 ports...
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...connect the 6-pin PCIe Graphics Card/ PD 3.0 connector to get the full power delivery up to 20V/3A 60W. (continued on the next page) viii ROG CROSSHAIR VIII EXTREME specifications summary Storage Ethernet Wireless & Bluetooth USB Total supports 5 x M.2 slots and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 and 3000... 4.0 x4 & SATA modes) 6 x SATA 6Gb/s ports 1 x Intel® I225-V 2.5Gb Ethernet 1 x Marvell® AQtion AQC113CS 10Gb Ethernet ASUS LANGuard Wi-Fi 6E 2x2 Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Supports 2.4/5/6GHz frequency band* Bluetooth v5.2 * WiFi 6E 6GHz regulatory may vary between...
...connect the 6-pin PCIe Graphics Card/ PD 3.0 connector to get the full power delivery up to 20V/3A 60W. (continued on the next page) viii ROG CROSSHAIR VIII EXTREME specifications summary Storage Ethernet Wireless & Bluetooth USB Total supports 5 x M.2 slots and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 and 3000... 4.0 x4 & SATA modes) 6 x SATA 6Gb/s ports 1 x Intel® I225-V 2.5Gb Ethernet 1 x Marvell® AQtion AQC113CS 10Gb Ethernet ASUS LANGuard Wi-Fi 6E 2x2 Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Supports 2.4/5/6GHz frequency band* Bluetooth v5.2 * WiFi 6E 6GHz regulatory may vary between...
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...2 x DisplayPort IN ports for front and rear headphone outputs - Impedance sense for Thunderbolt™ 4 8 x USB 3.2 Gen 2 port(s) (8 x Type-A) 1 x ASUS Wi-Fi Module 1 x Intel® I225-V 2.5Gb Ethernet port 1 x Marvell® AQtion AQC113CS 10Gb Ethernet port 5 x LED-illuminated audio jacks 1 x Optical S/PDIF...Features - Rear optical S/PDIF out port - Premium Japanese audio capacitors - ROG CROSSHAIR VIII EXTREME specifications summary Audio Back Panel I/O Ports Internal I/O connectors ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4082 - LED-illuminated audio jacks -
...2 x DisplayPort IN ports for front and rear headphone outputs - Impedance sense for Thunderbolt™ 4 8 x USB 3.2 Gen 2 port(s) (8 x Type-A) 1 x ASUS Wi-Fi Module 1 x Intel® I225-V 2.5Gb Ethernet port 1 x Marvell® AQtion AQC113CS 10Gb Ethernet port 5 x LED-illuminated audio jacks 1 x Optical S/PDIF...Features - Rear optical S/PDIF out port - Premium Japanese audio capacitors - ROG CROSSHAIR VIII EXTREME specifications summary Audio Back Panel I/O Ports Internal I/O connectors ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4082 - LED-illuminated audio jacks -
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...Q-Slot (continued on the next page) x MicroFine Alloy Choke ASUS Q-Design - M.2 Q-Latch - Q-Code - Q-Connector - Safe boot button - Q-DIMM - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - ROG CROSSHAIR VIII EXTREME specifications summary Internal I/O connectors Special Features USB 1 x USB... 1 x Slow Mode switch 1 x Speaker header 1 x Start button 1 x 10-1 pin System Panel header 1 x Thermal Sensor header Extreme OC Kit - LN2 Mode - Start button - Slow Mode Extreme Engine Digi+ - 10K Black Metallic Capacitors - Probelt - FlexKey button -
...Q-Slot (continued on the next page) x MicroFine Alloy Choke ASUS Q-Design - M.2 Q-Latch - Q-Code - Q-Connector - Safe boot button - Q-DIMM - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - ROG CROSSHAIR VIII EXTREME specifications summary Internal I/O connectors Special Features USB 1 x USB... 1 x Slow Mode switch 1 x Speaker header 1 x Start button 1 x 10-1 pin System Panel header 1 x Thermal Sensor header Extreme OC Kit - LN2 Mode - Start button - Slow Mode Extreme Engine Digi+ - 10K Black Metallic Capacitors - Probelt - FlexKey button -
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... support* (CHA_FAN1P, CHA_FAN2P) - 2 x USB 2.0 port support* (USB_EP1, USB_EP3) * Visit ASUS Website for the latest compatibility list. AIDA64 Extreme (1 year full version) - Clear CMOS button - ROG AURA sync backplate - Sonic Studio III + Sonic Studio Virtual Mixer - AURA Sync - ROG CROSSHAIR VIII EXTREME specifications summary Special Features Software Features ASUS Thermal Solution - M.2 heatsink backplate - RAMCache III - AURA Creator - ProCool II...
... support* (CHA_FAN1P, CHA_FAN2P) - 2 x USB 2.0 port support* (USB_EP1, USB_EP3) * Visit ASUS Website for the latest compatibility list. AIDA64 Extreme (1 year full version) - Clear CMOS button - ROG AURA sync backplate - Sonic Studio III + Sonic Studio Virtual Mixer - AURA Sync - ROG CROSSHAIR VIII EXTREME specifications summary Special Features Software Features ASUS Thermal Solution - M.2 heatsink backplate - RAMCache III - AURA Creator - ProCool II...
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... Dual Intelligent Processors 5 TPU EPU Digi+ Power Control Fan Xpert 4 Turbo app DAEMON Tools MyAsus WinRAR UEFI BIOS ASUS EZ DIY - Please refer to the ASUS website for installation guide and FAQ. ASUS CrashFree BIOS 3 - xii ROG CROSSHAIR VIII EXTREME specifications summary Software Features BIOS Manageability Operating System Form Factor AI Suite 3 - 5-Way Optimization by PME, PXE...
... Dual Intelligent Processors 5 TPU EPU Digi+ Power Control Fan Xpert 4 Turbo app DAEMON Tools MyAsus WinRAR UEFI BIOS ASUS EZ DIY - Please refer to the ASUS website for installation guide and FAQ. ASUS CrashFree BIOS 3 - xii ROG CROSSHAIR VIII EXTREME specifications summary Software Features BIOS Manageability Operating System Form Factor AI Suite 3 - 5-Way Optimization by PME, PXE...
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... motherboard package for the following items. Motherboard 1 x ROG CROSSHAIR VIII EXTREME motherboard Cables 1 x 1-to-3 ARGB splitter cable 2 x 1-to-4 fan splitter cables 1 x RGB extension cable 3 x ROG weave SATA 6G cables 1 x 3-in-1 Thermistor cables pack ROG Fan Controller 1 x ROG Fan Controller 1 x Fan EXT PWR cable 1 x ARGB input cable 1 x USB input cable 1 x ROG Fan Controller 3M Mounting tape 1 x Fan Controller manual...
... motherboard package for the following items. Motherboard 1 x ROG CROSSHAIR VIII EXTREME motherboard Cables 1 x 1-to-3 ARGB splitter cable 2 x 1-to-4 fan splitter cables 1 x RGB extension cable 3 x ROG weave SATA 6G cables 1 x 3-in-1 Thermistor cables pack ROG Fan Controller 1 x ROG Fan Controller 1 x Fan EXT PWR cable 1 x ARGB input cable 1 x USB input cable 1 x ROG Fan Controller 3M Mounting tape 1 x Fan Controller manual...
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... Do not connect the 1-to-4 fan splitter cables to 1A. Shared Control A A - CHA_FAN1P, and CHA_FAN2P can support ASUS HYDRANODE fans. ROG CROSSHAIR VIII EXTREME 1-9 Header Max. Power Default Speed CPU_FAN 1A 12W Q-Fan Controlled CPU_OPT 1A 12W Q-Fan Controlled CHA_FAN1P 1A 12W Q-Fan ...Mode only supports up to other fan headers. Insufficient air flow inside the system may damage the motherboard components. 4. When an ASUS HYDRANODE fan is fully inserted into the header. • For water cooling kits, connect the pump connector to the W_PUMP+1/2 header...
... Do not connect the 1-to-4 fan splitter cables to 1A. Shared Control A A - CHA_FAN1P, and CHA_FAN2P can support ASUS HYDRANODE fans. ROG CROSSHAIR VIII EXTREME 1-9 Header Max. Power Default Speed CPU_FAN 1A 12W Q-Fan Controlled CPU_OPT 1A 12W Q-Fan Controlled CHA_FAN1P 1A 12W Q-Fan ...Mode only supports up to other fan headers. Insufficient air flow inside the system may damage the motherboard components. 4. When an ASUS HYDRANODE fan is fully inserted into the header. • For water cooling kits, connect the pump connector to the W_PUMP+1/2 header...
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... disc drives are not supported on the SATA6G_E1-2 ports. • These connectors are set , refer to [AHCI] by default. ROG CROSSHAIR VIII EXTREME 1-13 If you can download the RAID Configuration Guide from the ASUS website. SATA 6Gb/s connector The SATA 6Gb/s connector allows you to connect SATA devices such as optical disc drives and...
... disc drives are not supported on the SATA6G_E1-2 ports. • These connectors are set , refer to [AHCI] by default. ROG CROSSHAIR VIII EXTREME 1-13 If you can download the RAID Configuration Guide from the ASUS website. SATA 6Gb/s connector The SATA 6Gb/s connector allows you to connect SATA devices such as optical disc drives and...
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... to achieve a successful POST. Press this switch to Enabled may result in quick succession to Disabled. ReTry button The ReTry button is specially designed for ASUS-authorized technicians only. ROG CROSSHAIR VIII EXTREME 1-23
... to achieve a successful POST. Press this switch to Enabled may result in quick succession to Disabled. ReTry button The ReTry button is specially designed for ASUS-authorized technicians only. ROG CROSSHAIR VIII EXTREME 1-23
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ARGB EFAN-1P ARGB EFAN-2P ARGB EFAN-3P ARGB EFAN-1P ARGB EFAN-2P ARGB EFAN-3P EFAN-6 ARGB EFAN-5 ARGB EFAN-4 ARGB EFAN-6 ARGB EFAN-5 ARGB EFAN-4 ARGB EFAN-6 ARGB EFAN-5 ARGB EFAN-4 ARGB ARGB Power in this section are for reference only. Chapter 2 2.1.12 ROG FAN CONTROLLER installation The illustrations in ARGB EFAN-1P ARGB EFAN-2P ARGB EFAN-3P ARGB EFAN-1P ARGB EFAN-2P ARGB EFAN-3P EFAN-6 ARGB EFAN-5 ARGB EFAN-4 ARGB Fan ARGB Fan USB Fan ARGB ASUS HYDRANODE supported fan ROG CROSSHAIR VIII EXTREME 2-19
ARGB EFAN-1P ARGB EFAN-2P ARGB EFAN-3P ARGB EFAN-1P ARGB EFAN-2P ARGB EFAN-3P EFAN-6 ARGB EFAN-5 ARGB EFAN-4 ARGB EFAN-6 ARGB EFAN-5 ARGB EFAN-4 ARGB EFAN-6 ARGB EFAN-5 ARGB EFAN-4 ARGB ARGB Power in this section are for reference only. Chapter 2 2.1.12 ROG FAN CONTROLLER installation The illustrations in ARGB EFAN-1P ARGB EFAN-2P ARGB EFAN-3P ARGB EFAN-1P ARGB EFAN-2P ARGB EFAN-3P EFAN-6 ARGB EFAN-5 ARGB EFAN-4 ARGB Fan ARGB Fan USB Fan ARGB ASUS HYDRANODE supported fan ROG CROSSHAIR VIII EXTREME 2-19
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... contact your computer. 5. This may have risks. If the BIOS program is not operating properly. Shut down your local ASUS Service Center. Chapter 2 BIOS FlashBack™ button BIOS FlashBack™ port 6. For more BIOS update utilities in Chapter ...not unplug portable disk, power system, or press the CLR_CMOS button while BIOS update is enabled. Visit https://www.asus.com/support/ and download the latest BIOS version for three (3) seconds until the light goes out, indicating that... please restart the system to the BIOS FlashBack™ port. ROG CROSSHAIR VIII EXTREME 2-21
... contact your computer. 5. This may have risks. If the BIOS program is not operating properly. Shut down your local ASUS Service Center. Chapter 2 BIOS FlashBack™ button BIOS FlashBack™ port 6. For more BIOS update utilities in Chapter ...not unplug portable disk, power system, or press the CLR_CMOS button while BIOS update is enabled. Visit https://www.asus.com/support/ and download the latest BIOS version for three (3) seconds until the light goes out, indicating that... please restart the system to the BIOS FlashBack™ port. ROG CROSSHAIR VIII EXTREME 2-21
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... update. The term "BIOS" in the following circumstances: • An error message appears on BIOS and RAID configurations, please refer to www.asus.com/ support. 3.1 Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that you to the latest BIOS version... BIOS release versions. Please refer to run the BIOS Setup. • You have installed a new system component that are needed for settings and options. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-1
... update. The term "BIOS" in the following circumstances: • An error message appears on BIOS and RAID configurations, please refer to www.asus.com/ support. 3.1 Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that you to the latest BIOS version... BIOS release versions. Please refer to run the BIOS Setup. • You have installed a new system component that are needed for settings and options. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-1
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3.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to the Folder field. 6. Enter the Advanced Mode of the BIOS setup program. Press the Right arrow key to switch ... load the BIOS default settings to the Drive field. 4. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-3 Press the Up/Down arrow keys to the USB port. 2. Insert the USB flash disk that contains the latest BIOS file to find the BIOS file, and then press to select ASUS EZ Flash 3 Utility and press . 3. Press the Up/Down...
3.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to the Folder field. 6. Enter the Advanced Mode of the BIOS setup program. Press the Right arrow key to switch ... load the BIOS default settings to the Drive field. 4. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-3 Press the Up/Down arrow keys to the USB port. 2. Insert the USB flash disk that contains the latest BIOS file to find the BIOS file, and then press to select ASUS EZ Flash 3 Utility and press . 3. Press the Up/Down...
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.... This configuration is required for this setup. Two hard disks perform the same work as a single drive but at https://www.asus.com/support, or by other drive. This RAID configuration provides data protection and increases fault tolerance to be of the same size...must be calculated and written. Use four new hard disk drives or use an existing drive and a new drive for this setup. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-5 3.5 RAID configurations The motherboard comes with the RaidXpert2 Configuration Utility that supports Volume, RAIDABLE, RAID 0, RAID 1, and RAID 10 (depends on...
.... This configuration is required for this setup. Two hard disks perform the same work as a single drive but at https://www.asus.com/support, or by other drive. This RAID configuration provides data protection and increases fault tolerance to be of the same size...must be calculated and written. Use four new hard disk drives or use an existing drive and a new drive for this setup. Chapter 3 ROG CROSSHAIR VIII EXTREME 3-5 3.5 RAID configurations The motherboard comes with the RaidXpert2 Configuration Utility that supports Volume, RAIDABLE, RAID 0, RAID 1, and RAID 10 (depends on...
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... that interference will not occur in a residential installation. Consult the dealer or an experienced radio/TV technician for help. Appendix ROG CROSSHAIR VIII EXTREME A-5 Operation is no guarantee that may cause harmful interference to the following measures: - However, there is subject to radio ...provided instructions and the antenna(s) used in accordance with the instructions, may cause undesired operation. Notices FCC Compliance Information Responsible Party: Asus Computer International Address: 48720 Kato Rd., Fremont, CA 94538, USA Phone / Fax No: (510)739-3777 / (510)608...
... that interference will not occur in a residential installation. Consult the dealer or an experienced radio/TV technician for help. Appendix ROG CROSSHAIR VIII EXTREME A-5 Operation is no guarantee that may cause harmful interference to the following measures: - However, there is subject to radio ...provided instructions and the antenna(s) used in accordance with the instructions, may cause undesired operation. Notices FCC Compliance Information Responsible Party: Asus Computer International Address: 48720 Kato Rd., Fremont, CA 94538, USA Phone / Fax No: (510)739-3777 / (510)608...
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...MHz 2402 - 2480 MHz Maximum Output Power (EIRP) 19.38 dBm 19.12 dBm 18.42 dBm 10.32 dBm 12.68 dBm Appendix ROG CROSSHAIR VIII EXTREME A-9 Simplified UKCA Declaration of The Radio Equipment Regulations 2017 (S.I. 2017/1206). The WiFi operating in compliance with the essential requirements and other relevant...button cell battery in municipal waste. This symbol of the crossed out wheeled bin indicates that this device is available at https://www.asus.com/support/. This product has been designed to indoor use for disposal of conformity is in the band 5150-5350MHz shall be restricted...
...MHz 2402 - 2480 MHz Maximum Output Power (EIRP) 19.38 dBm 19.12 dBm 18.42 dBm 10.32 dBm 12.68 dBm Appendix ROG CROSSHAIR VIII EXTREME A-9 Simplified UKCA Declaration of The Radio Equipment Regulations 2017 (S.I. 2017/1206). The WiFi operating in compliance with the essential requirements and other relevant...button cell battery in municipal waste. This symbol of the crossed out wheeled bin indicates that this device is available at https://www.asus.com/support/. This product has been designed to indoor use for disposal of conformity is in the band 5150-5350MHz shall be restricted...
