WINDOWS 11 READYAMD AM4 SocketSupports DDR4 3533+ (OC)1 PCIe 3.0 x16, 1 PCIe 2.0 x16, 1 PCIe 2.0 x1AMD Quad CrossFireX™Graphics Output: DisplayPort, HDMI7.1 CH HD Audio (Realtek ALC892 Audio Codec), Nichicon Fine Gold Series Audio Caps4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (SATA3)2 USB 3.1 Gen2 (Rear Type-A+C)6 USB 3.1 Gen1 (2 Front, 4 Rear)Realtek Gigabit LANSteel Legend represents the philosophical state of rock-solid durability and irresistible aesthetics. Built around most demanding specs and features, the Steel Legend series aims at daily users and mainstream enthusiasts! Providing a strong array of materials/components to ensure a stable and reliable performance. A motherboard that fulfills every task – with style!RULE YOUR OWN LIGHTING WAY – POLYCHROME RGBSteel legend motherboards deliver stunning performance and superior aesthetics to rule your own colorful lighting way! ASRock offers a very comprehensive control to perform the built-in RGB LEDs or the connected LED strips, CPU fans, coolers, chassis and any RGB devices smoothly. Devices can be synchronized across the Polychrome RGB Sync-certified accessories as well.Dual M.2 For SSDTwo of the world’s fastest M.2 slots. One delivers up to PCIe Gen3 x4 32Gb/s transfer speed, the other one supports SATA3 6Gb/s mode.Dual USB 3.1 Gen2 (Type-A + Type-C)This motherboard has a pair of onboard Type-A and Type-C USB 3.1 Gen2 ports built on the rear i/o for supporting next generation USB 3.1 Gen2 devices and to deliver up to 10 Gbps data transfer rates.2oz CopperIt comes with 2 ounces copper inner layers, using only carefully selected copper materials for PCB layers, delivering lower temperature and higher energy efficiency for overclocking.PREMIUM 60A POWER CHOKEASRock’s premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.PCI-E STEEL SLOTThe advanced PCI-E Steel Slot packed with solid cover that prevent any signal interference with graphics cards. It also ensures the heavy graphics cards to be well-installed in the PCI-E slot safely.SpecificationsUnique FeatureASRock USB 3.1 Gen2- ASRock USB 3.1 Gen2 Type-A Port (10 Gb/s)- ASRock USB 3.1 Gen2 Type-C Port (10 Gb/s)ASRock Super Alloy- XXL Aluminum Alloy Heatsink- Premium 60A Power Choke- Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)- I/O Armor- Sapphire Black PCB- High Density Glass Fabric PCB- 2oz Copper PCBASRock Steel SlotASRock Ultra M.2 (PCIe Gen3 x4)ASRock Full Spike Protection (for all USB, Audio, LAN Ports)ASRock Live Update & APP ShopAMD StoreMICPUAMD AM4 SocketDigi Power design6 Power Phase designChipsetAMD Promontory B450MemoryDual Channel DDR4 Memory Technology4 x DDR4 DIMM SlotsAMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3533+(OC) / 3200(OC) / 2933(OC) / 2667/2400/2133 ECC & non-ECC, un-buffered memoryAMD Ryzen series CPUs (Summit Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933(OC) / 2667/2400/2133 ECC & non-ECC, un-buffered memoryAMD Ryzen series CPUs (Raven Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933/2667/2400/2133 non-ECC, un-buffered memoryMax. capacity of system memory: 64GB15µ Gold Contact in DIMM SlotsBIOS128Mb AMI UEFI Legal BIOS with multilingual GUI supportSupports “Plug and Play”ACPI 5.1 compliance wake up eventsSupports jumperfreeSMBIOS 2.3 supportDRAM Voltage multi-adjustmentGraphicsIntegrated AMD Radeon™ Vega Series Graphics in Ryzen Series APUDirectX 12, Pixel Shader 5.0Shared memory default 2GB. Max Shared memory supports up to 16GB.Dual graphics output: Support HDMI and DisplayPort 1.2 ports by independent display controllersSupports HDMI 1.4 with max. resolution up to 4K x 2K (4096×2160) @ 24Hz / (3840×2160) @ 30HzSupports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096×2160) @ 60HzSupports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant HDMI monitor is required)Supports HDCP 1.4 with HDMI 1.4 and DisplayPort 1.2 PortsSupports 4K Ultra HD (UHD) playback with HDMI 1.4 and DisplayPort 1.2 PortsAudio7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)Premium Blu-ray Audio supportSupports Surge ProtectionNichicon Fine Gold Series Audio CapsPCB Isolate ShieldingIndividual PCB Layers for R/L Audio ChannelGold Audio JacksLANPCIE x1 Gigabit LAN 10/100/1000 Mb/sRealtek RTL8111HSupports Wake-On-LANSupports Lightning/ESD ProtectionSupports Energy Efficient Ethernet 802.3azSupports PXESlotsAMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge)- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)AMD Ryzen series CPUs (Raven Ridge)- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode) (If you use Athlon 2xxGE series APU, PCIE2 slot will run at x4 mode.)- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)AMD Athlon series CPUs- 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)1 x PCI Express 2.0 x1 SlotSupports AMD Quad CrossFireX™ and CrossFireX™Storage4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon 2xxGE series APU and Raven Ridge 2)**1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s moduleConnector1 x COM Port Header1 x TPM Header1 x Chassis Intrusion Header1 x Power LED and Speaker Header1 x RGB LED Header1 x Addressable LED Header1 x AMD Fan LED Header1 x CPU Fan Connector (4-pin)1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)1 x 24 pin ATX Power Connector1 x 8 pin 12V Power Connector1 x Front Panel Audio Connector2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection)Rear Panel I/O1 x PS/2 Mouse/Keyboard Port1 x HDMI Port1 x DisplayPort 1.21 x Optical SPDIF Out Port2 x USB 2.0 Ports (Supports ESD Protection)1 x USB 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)4 x USB 3.1 Gen1 Ports (Supports ESD Protection)1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)Software and UEFISoftware- ASRock A-Tuning- ASRock Polychrome SYNC- ASRock XFast LANUEFI- ASRock Full HD UEFI- ASRock Instant Flash- ASRock Easy RAID InstallerSupport CDDrivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and ToolbarAccessoriesQuick Installation Guide, Support CD, I/O Shield2 x SATA Data Cables2 x Screws for M.2 SocketsHardware MonitoringTemperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump FansFan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump FansQuiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump FansFan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump FansCASE OPEN detectionVoltage monitoring: +12V, +5V, +3.3V, VcoreForm FactorMicro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cmOSMicrosoft® Windows® 10 64-bit