Gigabyte Aorus X299-UD4 Pro Intel X299 Express Chipset LGA 2066 Motherboard, 8 x DDR4 DIMM sockets supporting up to 128 GB of system memory, Support for DDR4 4400(O.C.) - 2133 MHz memory modules, 1 x 24-pin ATX main power connector, 1 x 8-pin ATX 12V power connector, 1 x CPU fan header, 1 x water cooling CPU fan header, 2 x system fan headers, 1 x 3 Amp fan / water cooling pump header, 1 x digital LED strip header, 1 x digital LED strip power select jumper, 2 x RGB (RGBW) LED strip extension cable headers, 2 x M.2 Socket 3 connectors, 8 x SATA 6Gb / s connectors, 1 x Intel VROC Upgrade Key header, 1 x front panel header, 1 x front panel audio header, 1 x S / PDIF Out header, 2 x USB 3.1 Gen 1 headers, 2 x USB 2.0 / 1.1 headers, 1 x Thunderbolt add-in card connector, 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only), 1 x temperature sensor header, 1 x Clear CMOS jumper, 1 x PS / 2 keyboard / mouse port, 2 x USB 3.1 Gen 2 Type-A ports (red), 6 x USB 3.1 Gen 1 ports, 1 x RJ-45 port, 6 x audio jacks (Center / Subwoofer Speaker Out, Rear Speaker Out, Side Speaker Out, Line In, Line Out, Mic In), ATX Form Factor, 30.5cm x 24.4cm

Gigabyte X299 UD4 Pro: all-in-one LGA 2066 (kabylake-X) mb, support 128Gbps VRoC (Virtual RAID on CPU) + Optane 3D-Xpoint dimm when using Kabylake, RGB FUSION with mobile APP, support Digital LED and RGBW light strips, support Optane 3D-Xpoint dimm when using Kabylake, with FBT+ SRT+ SCT+ RRT+ SBA+ Rapid Storage + Rapid Start Technology, with double locking pci-e brackets + anti-sulfur protection, long lifespan durable black solid caps, dual-bios - Intel X299 chipset, 8x quad channel DDR4-4400(O.C) / 2666 with XMP support up to 128Gb, 8x SATA6G + dual Gen3x4 M.2 / NGFF with thermal guards (PCIe or SATA or Optane mode) with raid 0 / 1 / / 0+1 / 5 / 10, on-board Realtek ALC S1220A DTS 7.1 audio with optical s / pdif out + intel i219V gigabit lan with cFosSpeed; 5x pci-e 3.0 (16x) for Quad-GPU SLi / CrossfireX, with 2x USB3.1 Gen2 10Gbps type-A 6x USB3.0 - atx

Asus X299 Tuf Mark2 all-in-one LGA 2066 (kabylake-X) Motherboard - support 128Gbps VRoC (Virtual RAID on CPU) + Optane 3D-Xpoint dimm when using Kabylake, with 3D-printing-friendly design for various add-on parts + Aura Sync + TUF decetive 2 mobile APP + Thermal Radar3 + TUF military-standard Components (10K Ti-Caps + alloy choke & MOSFET) + ESD guard-2 (6x dedicated TVS protections for USB / audio / LAN / Display) + 40mm assistant Fans + Mem!ok button + USB BioS Flashback + DirectKey for direct BIOS access, 7+1 phase power design, with FBT+ SRT+ SCT+ RRT+ SBA+ Rapid Storage + Rapid Start Technology - Intel X299 Chipset, 8x dual channel DDR4-4133(O.C) / 2666 with XMP support up to 128Gb, 6x SATA6G + 2x 32Gb / sec M.2 / NGFF type2280 (PCIe or SATA or Optane mode) SSD socket with raid 0 / 1 / / 0+1 / 5 / 10, SupremeFX DTS ALC S1220A 7.1 audio with optical s / pdif out (TUF audio with audio shielding + de-pop circuit + dedicated L / R track layer) + Intel i219V Gigabit LAN; 1x pci-e(4x), 2x pci-e(1x), 3x pci-e 3.0 (16x) for Quad-GPU SLi / CrossfireX, with 2x USB3.1 type-A + 4x USB3.0 + 4x USB2.0, support optional serial port add-on cable - ATX

Asus Prime X299-A II Intel X-series Socket LGA 2066 ATX Motherboard, Intel X299 Chipset, 8x DDR4 DIMM Memory slots, Supports nVidia Quad-GPU SLI technology, 3 x PCI-e 3.0 / 2.0 x16, 2x PCI-e 3.0 / 2.0 x1, 1x M.2 Socket, 1x Gigabit LAN, 8x SATA 6Gb / s Ports, USB 3.2 Gen 2 (Up to 10Gbps) Ports, USB 3.2 Gen 1 Ports, USB 2.0 Ports, 1x Optical S / PDIF out, 5x audio jack(s)

Gigabyte Aorus X299X Aorus Master- X299X Express Chipset: Socket LGA 2066, Support for Intel Core 7800X processors and above in the LGA2066 package, Memory : 8x Quad Channel DDR4 DIMM Slots (256GB Max / 2933MHz) when using 48 lane processor, 8x Quad Channel DDR4 DIMM Slots (128GB Max / 2933MHz) when using 44 / 28 lane processor, Expansion Slots: 2x PCI-Express 3.0 (x16 Speed), 2x PCI-Express 3.0 (x8 Speed) / 2x PCI-Express 3.0 (x16 Speed), 2x PCI-Express 3.0 (1x8 / 1x4 Speed) - Usable Lanes Vary with CPU. Please check your configuration in the banner above. Storage and USB : 8x SATA 3 (6 Gb / s), 3x M.2 Socket 3 Connector, 2x USB3.1 Type C (1x Back, 1x Front), 12x USB 3.1 Ports (1x Back, 4x Cable), 8x USB2.0 Ports (6x Cable) Misc. : 7.1 Channel High Definition Audio, Supports S / PDIF Out, 1x Intel GBE Lan (10 / 100 / 1000), 1x Aquantia 5GbE LAN, Rear IO Panel Display Ports Available: None