ASRock X99 Extreme 6 and X99 Extreme 4 Motherboards With Super Alloy Power Unveiled. But judging from the DIMM slots. ASRock X299 Extreme4 and X299 OC Formula Motherboards Review – One.
- ASRock USB 3.1 Gen2
 - ASRock USB 3.1 Gen2/A+C (10 Gb/s)
 ASRock X Series OC Socket
 ASRock Super Alloy
 - XXL Aluminum Alloy Heatsink
 - Premium 60A Power Choke
 - Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke)
 - Ultra Dual-N MOSFET (UDM)
 - Nichicon 12K Platinum Caps (100% Japan made high quality conductive polymer capacitors)
 - Sapphire Black PCB
 ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
 ASRock HDD Saver Technology
 ASRock Full Spike Protection
 ASRock APP Shop
- - Supports Intel® Core™ i7 and Xeon® 22-Core Processors Family for the LGA 2011-3 Socket
 - Digi Power design
 - 12 Power Phase design
 - Supports Intel® Turbo Boost 2.0 Technology
 - Supports Untied Overclocking Technology
- - Intel® X99
- - Quad Channel DDR4 Memory Technology
 - 8 x DDR4 DIMM Slots
 - Supports DDR4 3200+(OC)*/2933(OC)/2800(OC)/2400(OC)/2133 non-ECC, un-buffered memory
 - Supports non-ECC RDIMM (Registered DIMM)
 - Supports DDR4 ECC, un-buffered memory/RDIMM with Intel® Xeon® processors E5 series in the LGA 2011-3 Socket
 - Max. capacity of system memory: 128GB (with Core™ i7 CPU Broadwell-E) or 64GB (with Core™ i7 CPU Haswell-E) or 256GB (With Xeon® CPU)
 - Supports Intel® Extreme Memory Profile (XMP) 2.0
 - 15μ Gold Contact in DIMM Slots*Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.
 ** Please refer to Memory Support List on ASRock's website for more information.
- - 2 x 128Mb AMI UEFI Legal BIOS with multilingual GUI support (1 x Main BIOS and 1 x Backup BIOS)
 - Supports Secure Backup UEFI Technology
 - ACPI 5.0 Compliant wake up events
 - SMBIOS 2.7 Support
 - CPU, DRAM, PCH 1.05V, PCH 1.5V, VPPM Voltage Multi-adjustment
- - n/a
- - 7.1 CH HD Audio with Content Protection (Realtek ALC1150 Audio Codec)
 - Premium Blu-ray Audio support
 - Supports Surge Protection (ASRock Full Spike Protection)
 - Supports Purity Sound™ 2
 - Nichicon Fine Gold Series Audio Caps
 - 115dB SNR DAC with differential amplifier
 - TI® NE5532 Premium Headset Amplifier (Supports up to 600 ohm headsets)
 - Direct Drive Technology
 - EMI shielding cover
 - PCB isolate shielding
 - Supports DTS Connect
- - Gigabit LAN 10/100/1000 Mb/s
 - Giga PHY Intel® I218V
 - Supports Wake-On-LAN
 - Supports Lightning/ESD Protection (ASRock Full Spike Protection)
 - Supports Energy Efficient Ethernet 802.3az
 - Supports PXE
- - 3 x PCI Express 3.0 x16 Slots (PCIE1 @ x16 mode; PCIE3 @ x16 mode; PCIE5 @ x8 mode)*
 - 1 x PCI Express 2.0 x16 Slot (PCIE2 @ x4 mode)
 - 1 x PCI Express 2.0 x1 Slot
 - Supports AMD Quad CrossFireX™, 3-Way CrossFireX™ and CrossFireX™
 - Supports NVIDIA® Quad SLI™, 3-Way SLI™ and SLI™**
 - 15μ Gold Contact in VGA PCIe Slot (PCIE1 and PCIE3)*If you install CPU with 28 lanes, PCIE1/PCIE3/PCIE5 will run at x16/x8/x4.
 If M.2 PCI Express module is installed, PCIE5 slot will be disabled.
 **If you install CPU with 28 lanes, 3-Way SLI™ is not supported. To support 3-Way SLI™, please install the CPU with 40 lanes.
- - 10 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1, RAID 5, RAID 10 and Intel® Rapid Storage 13), NCQ, AHCI, Hot Plug and ASRock HDD Saver Technology*
 - 1 x SATA Express 10 Gb/s Connector**
 - 1 x eSATA Connector, supports NCQ, AHCI and Hot Plug
 - 1 x Ultra M.2 Socket, supports M Key M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)*S_SATA3_3 connector is shared with the eSATA port; S_SATA3_2 connector is shared with Ultra M.2 Socket
 RAID is supported on SATA3_0 ~ SATA3_5 ports only.
 **shared with SATA3_4 and SATA3_5
 Support to be announced.
- - 1 x USB 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection (ASRock Full Spike Protection))
 - 1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection (ASRock Full Spike Protection))
- - 1 x COM Port Header
 - 1 x TPM Header
 - 1 x Power LED Header
 - 2 x CPU Fan Connectors (1 x 4-pin, 1 x 3-pin) (Smart Fan Speed Control)
 - 3 x Chassis Fan Connectors (1 x 4-pin, 2 x 3-pin) (Smart Fan Speed Control)
 - 1 x Power Fan Connector (3-pin)
 - 1 x 24 pin ATX Power Connector
 - 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
 - 1 x HDD Saver Connector
 - 1 x PCIe Power Connector
 - 1 x Front Panel Audio Connector
 - 1 x Thunderbolt™ AIC Connector
 - 2 x USB 2.0 Headers (support 4 USB 2.0 ports) (Supports ESD Protection (ASRock Full Spike Protection))
 - 1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection (ASRock Full Spike Protection))
- - 1 x PS/2 Mouse Port
 - 1 x PS/2 Keyboard Port
 - 1 x eSATA Connector
 - 1 x Optical SPDIF Out Port
 - 4 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
 - 4 x USB 3.1 Gen1 Ports (Supports ESD Protection (ASRock Full Spike Protection))
 - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
 - 1 x Clear CMOS Switch
 - HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone
- Software
 - ASRock A-Tuning
 - ASRock Disk Health Report
 - ASRock USB Key
 - ASRock APP Charger
 - ASRock XFast LAN
 - ASRock XFast RAM
 - ASRock Restart to UEFI
 UEFI
 - ASRock Full HD UEFI
 - ASRock Instant Flash
 - ASRock Internet Flash
 - ASRock Crashless BIOS
 - ASRock OMG (Online Management Guard)
 - ASRock UEFI System Browser
 - ASRock UEFI Tech Service
 - ASRock Dehumidifier
 - ASRock Easy RAID Installer
 - ASRock Easy Driver Installer
- - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar, Start8 (30 days trial)
- - 1 x ASRock USB 3.1 Gen2/A+C
 - 1 x ASRock SLI_Bridge_2S Card
 - 1 x ASRock 3-Way SLI-2S1S Bridge Card
 - Quick Installation Guide, Support CD, I/O Shield
 - 4 x SATA Data Cables
 - 1 x HDD Saver Cable
 - 1 x Screw for Ultra M.2 Socket
- - CPU, Chassis temperature sensing
 - CPU, Chassis, Power Fan Tachometer
 - CPU, Chassis Quiet Fan (Auto adjust chassis fan speed by CPU temperature)
 - CPU, Chassis Fan multi-speed control
 - Voltage monitoring: +12V, +5V, +3.3V, CPU Input Voltage, CPU Internal Voltages
- - ATX Form Factor
 - 2oz Copper PCB
 - High Density Glass Fabric PCB
- - Microsoft® Windows® 10 64-bit / 8.1 32-bit / 8.1 64-bit / 8 32-bit / 8 64-bit / 7 32-bit / 7 64-bit
- - FCC, CE
 - ErP/EuP ready (ErP/EuP ready power supply is required)

X99 Extreme4
- ASRock Super Alloy
 - XXL Aluminum Alloy Heatsink
 - Premium 60A Power Choke
 - Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke)
 - Ultra Dual-N MOSFET (UDM)
 - Nichicon 12K Platinum Caps (100% Japan made high quality conductive polymer capacitors)
 - Sapphire Black PCB
 ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
 ASRock HDD Saver Technology
 ASRock Full Spike Protection
 ASRock APP Shop
- - Supports Intel® Core™ i7 and Xeon® 22-Core Processors Family for the LGA 2011-3 Socket
 - Digi Power design
 - 12 Power Phase design
 - Supports Intel® Turbo Boost 2.0 Technology
 - Supports Untied Overclocking Technology
- - Intel® X99
- - Quad Channel DDR4 Memory Technology
 - 8 x DDR4 DIMM Slots
 - Supports DDR4 3000+(OC)*/2933(OC)/2800(OC)/2400(OC)/2133 non-ECC, un-buffered memory
 - Supports non-ECC RDIMM (Registered DIMM)
 - Supports DDR4 ECC, un-buffered memory/RDIMM with Intel® Xeon® processors E5 series in the LGA 2011-3 Socket
 - Max. capacity of system memory: 128GB (with Core™ i7 CPU Broadwell-E) or 64GB (with Core™ i7 CPU Haswell-E) or 256GB (With Xeon® CPU)
 - Supports Intel® Extreme Memory Profile (XMP) 2.0
 - 15μ Gold Contact in DIMM Slots*Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.
 ** Please refer to Memory Support List on ASRock's website for more information.
- - 2 x 128Mb AMI UEFI Legal BIOS with multilingual GUI support (1 x Main BIOS and 1 x Backup BIOS)
 - Supports Secure Backup UEFI Technology
 - ACPI 5.0 Compliant wake up events
 - SMBIOS 2.7 Support
 - CPU, DRAM, PCH 1.05V, PCH 1.5V, VPPM Voltage Multi-adjustment
- - n/a
- - 7.1 CH HD Audio with Content Protection (Realtek ALC1150 Audio Codec)
 - Premium Blu-ray Audio support
 - Supports Surge Protection (ASRock Full Spike Protection)
 - Supports Purity Sound™ 2
 - Nichicon Fine Gold Series Audio Caps
 - 115dB SNR DAC with differential amplifier
 - TI® NE5532 Premium Headset Amplifier (Supports up to 600 ohm headsets)
 - Direct Drive Technology
 - EMI shielding cover
 - PCB isolate shielding
 - Supports DTS Connect
- - Gigabit LAN 10/100/1000 Mb/s
 - Giga PHY Intel® I218V
 - Supports Wake-On-LAN
 - Supports Lightning/ESD Protection (ASRock Full Spike Protection)
 - Supports Energy Efficient Ethernet 802.3az
 - Supports PXE
- - 3 x PCI Express 3.0 x16 Slots (PCIE1 @ x16 mode; PCIE3 @ x16 mode; PCIE5 @ x8 mode)*
 - 1 x PCI Express 2.0 x16 Slot (PCIE2 @ x4 mode)
 - 1 x PCI Express 2.0 x1 Slot
 - Supports AMD Quad CrossFireX™, 3-Way CrossFireX™ and CrossFireX™
 - Supports NVIDIA® Quad SLI™, 3-Way SLI™ and SLI™***
 - 15μ Gold Contact in VGA PCIe Slot (PCIE1 and PCIE3)*If you install CPU with 28 lanes, PCIE1/PCIE3/PCIE5 will run at x16/x8/x4.
 **If M.2 PCI Express module is installed, PCIE5 slot will be disabled.
 ***If you install CPU with 28 lanes, 3-Way SLI™ is not supported.
 ****To support 3-Way SLI™, please install the CPU with 40 lanes.
- - 10 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1, RAID 5, RAID 10 and Intel® Rapid Storage 13), NCQ, AHCI, Hot Plug and ASRock HDD Saver Technology
 - 1 x eSATA Connector, supports NCQ, AHCI and Hot Plug
 - 1 x Ultra M.2 Socket, supports M Key M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)*S_SATA3_3 connector is shared with the eSATA port, S_SATA3_2 connector is shared with Ultra M.2 Socket
 **RAID is supported on SATA3_0 ~ SATA3_5 ports only.
- - 1 x COM Port Header
 - 1 x TPM Header
 - 1 x Power LED Header
 - 2 x CPU Fan Connectors (1 x 4-pin, 1 x 3-pin) (Smart Fan Speed Control)
 - 3 x Chassis Fan Connectors (1 x 4-pin, 2 x 3-pin) (Smart Fan Speed Control)
 - 1 x Power Fan Connector (3-pin)
 - 1 x 24 pin ATX Power Connector
 - 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
 - 1 x HDD Saver Connector
 - 1 x PCIe Power Connector
 - 1 x Front Panel Audio Connector
 - 1 x Thunderbolt™ AIC Connector*
 - 2 x USB 2.0 Headers (support 4 USB 2.0 ports) (Supports ESD Protection (ASRock Full Spike Protection))
 - 1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection (ASRock Full Spike Protection))*Please update to the latest BIOS to support Thunderbolt™ technology.
- - 1 x PS/2 Mouse Port
 - 1 x PS/2 Keyboard Port
 - 1 x eSATA Connector
 - 1 x Optical SPDIF Out Port
 - 4 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
 - 4 x USB 3.1 Gen1 Ports (Supports ESD Protection (ASRock Full Spike Protection))
 - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
 - 1 x Clear CMOS Switch
 - HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone
- Software
 - ASRock A-Tuning
 - ASRock Disk Health Report
 - ASRock USB Key
 - ASRock APP Charger
 - ASRock XFast LAN
 - ASRock XFast RAM
 - ASRock Restart to UEFI
 UEFI
 - ASRock Full HD UEFI
 - ASRock Instant Flash
 - ASRock Internet Flash
 - ASRock Crashless BIOS
 - ASRock OMG (Online Management Guard)
 - ASRock UEFI System Browser
 - ASRock UEFI Tech Service
 - ASRock Dehumidifier
 - ASRock Easy RAID Installer
 - ASRock Easy Driver Installer
- - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar, Start8 (30 days trial)
- - 1 x ASRock SLI_Bridge_2S Card
 - 1 x ASRock 3-Way SLI-2S1S Bridge Card
 - Quick Installation Guide, Support CD, I/O Shield
 - 4 x SATA Data Cables
 - 1 x HDD Saver Cable
 - 1 x Screw for Ultra M.2 Socket
- - CPU, Chassis temperature sensing
 - CPU, Chassis, Power Fan Tachometer
 - CPU, Chassis Quiet Fan (Auto adjust chassis fan speed by CPU temperature)
 - CPU, Chassis Fan multi-speed control
 - Voltage monitoring: +12V, +5V, +3.3V, CPU Input Voltage, CPU Internal Voltages
- - ATX Form Factor
 - 2oz Copper PCB
 - High Density Glass Fabric PCB
- - Microsoft® Windows® 10 64-bit / 8.1 32-bit / 8.1 64-bit / 8 32-bit / 8 64-bit / 7 32-bit / 7 64-bit
- - FCC, CE
 - ErP/EuP ready (ErP/EuP ready power supply is required)