ASRock Fatal1ty X99 Professional/3.1 Motherboard Intel X99 LGA2011-3 DDR4 SATA3. ASRock X99 Professional/3.1. Original quality not include retail box or parts. Free OEM I/O shield as a gift, updated the newest BIOS. Without CMOS battery for safe sending. Supports Intel Core i7 and Xeon 22-Core Processors Family for the LGA 2011-3 Socket. Digi Power design. 12 Phase CPU Power design (Supports up to 1300w). Supports Intel Turbo Boost 2.0 Technology. Supports Untied Overclocking Technology. Quad Channel DDR4 Memory Technology. 8 x DDR4 DIMM Slots. Supports DDR4 3400+(OC)/2933(OC)/2800(OC)/2400(OC)/2133 non-ECC, un-buffered memory. Supports non-ECC x8 (8 bit) RDIMM (Registered DIMM)/x8 (8 bit) UDIMM. Supports DDR4 ECC x8 (8 bit) RDIMM/x8 (8 bit) UDIMM with Intel Xeon processors E5 series in the LGA 2011-3 Socket, but not include x4 (4 bit) RDIMM/ x4 (4 bit) UDIMM. Capacity of system memory: 128GB (with Core i7 CPU Broadwell-E, Xeon CPU) or 64GB (with Core i7 CPU Haswell-E). 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. 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. 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 SoundT 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. 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 Lightning/ESD Protection (ASRock Full Spike Protection). Supports Energy Efficient Ethernet 802.3az. 5 x PCI Express 3.0 x16 Slots PCIE1/PCIE2/PCIE3/PCIE4/PCIE5: single at x16 (PCIE1); dual at x16 (PCIE1) / x16 (PCIE4); triple at x8 (PCIE1) / x8 (PCIE2) / x16 (PCIE4); quad at x8 (PCIE1) / x8 (PCIE2) / x8 (PCIE4) / x8 (PCIE5). 1 x Half-size Mini-PCI Express Slot. Supports AMD Quad CrossFireX, 4-Way CrossFireX, 3-Way CrossFireX and CrossFireX. Supports NVIDIA Quad SLI, 4-Way SLI, 3-Way SLI and SLI If you install CPU with 28 lanes, 4-Way CrossFireX and 4-Way SLI are not supported. To support 4-Way CrossFireX and 4-Way SLI, please install the CPU with 40 lanes. If you install CPU with 28 lanes, PCIE1/PCIE2/PCIE3/PCIE4/PCIE5 will run at x16/x0/x4/x8/x0 or x8/x8/x4/x8/x0, and PCIE5 will be disabled. To support 3-Way CrossFireXT and 3-Way SLIT when using CPU with 28 lanes, please install VGA cards to PCIE1/PCIE2/PCIE4 (x8/x8/x8). 2 PCI Express module is installed, PCIE3 slot will be disabled. 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 S_SATA3_3 connector is shared with M. 1 x SATA Express 10 Gb/s Connector (shared with SATA3_4 and SATA3_5). 1 x Ultra M. 2 Socket (ULTRA_M2), supports M Key M. 2 PCI Express module up to Gen3 x4 (32 Gb/s). 1 x M. 2_SSD (NGFF) Socket 3 (M2_1), supports M Key M. 2 SATA3 6.0 Gb/s module and M. 2 PCI Express module up to Gen2 x2 (10 Gb/s). RAID is supported on SATA3_0 SATA3_5 ports only. Support to be announced. 2 x USB 3.1 Gen2 Type-A Ports (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 4 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 ThunderboltT 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 3.1 Gen1. 2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports) (ASMedia ASM1074 hub) Supports ESD Protection (ASRock Full Spike Protection). 1 x Dr. 1 x Power Switch with LED. 1 x Reset Switch with LED. V-ProbeT: 7-set of onboard voltage measurement points laid. Rapid OC Buttons: +/- buttons to adjust OC frequency. 1 x Menu Button. 1 x PCIe ON/OFF Switch. 1 x Slow Mode Switch. 1 x LN2 Mode Switch. 1 x BIOS Selection Switch. 1 x Direct Key Button. 1 x PS/2 Mouse/Keyboard Port. 1 x Optical SPDIF Out Port. 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 USB 3.1 Gen1 Ports 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. 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. Multi Thermal Sensor. EATX Form Factor. 8 Layer PCB. 4 x 2oz copper. 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. 1PCS ASRock X99 Professional/3.1 Motherboard.