ASRock > Motherboard Compare Result

Model	Fatal1ty X99X Killer/3.1	X99 Extreme6/3.1

Form Factor	- ATX Form Factor - 2oz Copper PCB - High Density Glass Fabric PCB - Multiple Filter Cap (MFC) (Filter different noise by 3 different capacitors: DIP solid cap, POSCAP and MLCC)	- ATX Form Factor - 2oz Copper PCB - High Density Glass Fabric PCB - Multiple Filter Cap (MFC) (Filter different noise by 3 different capacitors: DIP solid cap, POSCAP and MLCC)
Unique Feature	ASRock USB 3.1 Gen2 - ASRock USB 3.1 Gen2 Card / A+A (10 Gb / s) - ASRock USB 3.1 Gen2 Type-C Port (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	ASRock USB 3.1 Gen2 - ASRock USB 3.1 Gen2 Card / A+A (10 Gb / s) - ASRock USB 3.1 Gen2 Type-C Port (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
CPU	- 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	- 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
Chipset	- Intel X99	- Intel X99
Memory	- 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 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.	- 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.
Slots	- 3 x PCI Express 3.0 x16 Slots (PCIE1 @ x16 mode; PCIE3 @ x16 mode; PCIE5 @ x8 mode)* - 2 x PCI Express 2.0 x1 Slots - 1 x mini-PCI Express Slot - Supports AMD Quad CrossFireX™, 3-Way CrossFireX™ and CrossFireX™ - Supports NVIDIA Quad SLI™, 3-Way SLI™ and SLI™** If M.2 PCI Express module is installed, PCIE5 slot will be disabled. If you install CPU with 28 lanes, PCIE1 / PCIE3 / PCIE5 will run at x16 / x8 / x4. *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.	- 3 x PCI Express 3.0 x16 Slots (PCIE1 @ x16 mode; PCIE3 @ x16 mode; PCIE5 @ x8 mode)* - 2 x PCI Express 2.0 x1 Slots - 1 x mini-PCI Express 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 M.2 PCI Express module is installed, PCIE5 slot will be disabled. If you install CPU with 28 lanes, PCIE1 / PCIE3 / PCIE5 will run at x16 / x8 / x4. *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.
Graphics	- n / a	- n / a
Audio	- 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< / font> - 115dB SNR DAC with differential amplifier< / font> - TI NE5532 Premium Headset Amplifier (Supports up to 600 ohm headsets)< / font> - Direct Drive Technology< / font> - EMI shielding cover< / font> - PCB isolate shielding< / font> - Supports DTS Connect	- 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< / font> - 115dB SNR DAC with differential amplifier< / font> - TI NE5532 Premium Headset Amplifier (Supports up to 600 ohm headsets)< / font> - Direct Drive Technology< / font> - EMI shielding cover< / font> - PCB isolate shielding< / font> - Supports DTS Connect
Lan	- 1 x Intel I218V (Gigabit LAN PHY 10 / 100 / 1000 Mb / s) - 1 x Qualcomm Atheros Killer™ E2200 Series (PCIE x1 Gigabit LAN 10 / 100 / 1000 Mb / s) - Supports Qualcomm Atheros Security Wake On Internet Technology (on Qualcomm Atheros Killer™ E2200 Series) - Supports Wake-On-LAN - Supports Lightning / ESD Protection (ASRock Full Spike Protection) - Supports Energy Efficient Ethernet 802.3az - Supports PXE	- 1 x Intel I218V (Gigabit LAN PHY 10 / 100 / 1000 Mb / s) - 1 x Qualcomm Atheros AR8171 (PCIE x1 Gigabit LAN 10 / 100 / 1000 Mb / s) - Supports Qualcomm Atheros Security Wake On Internet Technology (on Qualcomm Atheros AR8171) - Supports Wake-On-LAN - Supports Lightning / ESD Protection (ASRock Full Spike Protection) - Supports Energy Efficient Ethernet 802.3az - Supports PXE
WiFi	- n/a	- n/a
Rear Panel I/O	- 1 x PS / 2 Mouse / Keyboard Port - 1 x Optical SPDIF Out Port - 1 x eSATA Connector - 1 x USB 2.0 Port (Supports ESD Protection (ASRock Full Spike Protection)) - 1 x Fatal1ty Mouse Port (USB 2.0) (Supports ESD Protection (ASRock Full Spike Protection)) - 1 x USB 3.1 Gen2 Type-C Port (10 Gb / s) (ASMedia ASM1142) (Supports ESD Protection (ASRock Full Spike Protection)) - 4 x USB 3.1 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection (ASRock Full Spike Protection)) - 2 x RJ-45 LAN Ports 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	- 1 x PS / 2 Mouse / Keyboard Port - 1 x Optical SPDIF Out Port - 1 x eSATA Connector - 2 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection)) - 1 x USB 3.1 Gen2 Type-C Port (10 Gb / s) (ASMedia ASM1142) (Supports ESD Protection (ASRock Full Spike Protection)) - 4 x USB 3.1 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection (ASRock Full Spike Protection)) - 2 x RJ-45 LAN Ports 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
Storage	- 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 (SSATA3_3 connector is shared with the eSATA port) (SSATA3_2 connector is shared with Ultra M.2 Socket)* - 1 x SATA Express 10 Gb / s Connector (shared with SATA3_4 and SATA3_5) - 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)** RAID is supported on SATA3_0 ~ SATA3_5 ports only. *Support to be announced.	- 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 (SSATA3_3 connector is shared with the eSATA port) (SSATA3_2 connector is shared with Ultra M.2 Socket)* - 1 x SATA Express 10 Gb / s Connector (shared with SATA3_4 and SATA3_5) - 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)** RAID is supported on SATA3_0 ~ SATA3_5 ports only. *Support to be announced.
Connector	- 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 Vertical Type A USB 2.0 - 2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports) (Supports ESD Protection (ASRock Full Spike Protection)) - 1 x Dr. Debug with LED - 1 x Power Switch with LED - 1 x Reset Switch with LED - 1 x BIOS Selection Switch	- 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 Vertical Type A USB 2.0 - 2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports) (Supports ESD Protection (ASRock Full Spike Protection)) - 1 x Dr. Debug with LED - 1 x Power Switch with LED - 1 x Reset Switch with LED - 1 x BIOS Selection Switch
BIOS	- 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	- 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
Support CD	- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar, Start8 (30 days trial), XSplit, Killer Network Manager	- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar, Start8 (30 days trial)
Software and UEFI	Software - ASRock F-Stream - ASRock Disk Health Report - ASRock USB Key - ASRock Key Master - ASRock APP Charger - 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	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 My Favorites in UEFI - ASRock UEFI Guide - 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
Hardware Monitor	- 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	- 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
OS	- 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	- 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
Certifications	- FCC, CE - ErP / EuP ready (ErP / EuP ready power supply is required)	- FCC, CE - ErP / EuP ready (ErP / EuP ready power supply is required)
Accessories	- 1 x ASRock USB 3.1 Gen2 Card / A+A - 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 - 1 x Screw for mini-PCIe Slot	- 1 x ASRock USB 3.1 Gen2 Card / A+A - 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 - 1 x Screw for mini-PCIe Slot