• AMD AM4 Socket
• Supports DDR4 3533+ (OC)
• 2 PCIe 3.0 x16, 4 PCIe 2.0 x1
• AMD Quad CrossFireX™
• Graphics Output: DisplayPort, HDMI
• 7.1 CH HD Audio (Realtek ALC892 Audio Codec), Nichicon Fine Gold Series Audio Caps
• 6 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
• 2 USB 3.1 Gen2 (Rear Type-A+C)
• 6 USB 3.1 Gen1 (2 Front, 4 Rear)
• Realtek Gigabit LAN

TOUGH AS STEEL TRUE LEGEND

Steel 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 RGB

ASRock 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.

A SOLID M.2-SOLUTION PERFORMER

Dual M.2 For SSD, Supports Type 22110 M.2

Two of the world's fastest M.2 slots. One delivers up to PCIe Gen3 x4 32Gb/s transfer speed, the other one supports PCIe Gen3 x2 & SATA3 6Gb/s mode.

M.2 Armors

Good M.2 SSD protection is important for longevity and stability. ASRock provides a completed M.2 armor solution on B450 platform that makes SSDs to run in a certain low temperature.

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.

ULTRA STABLE POWER

+5V voltage is transferred from the +12V. Supplying enough current to USB devices without dropping voltage directly from the PSU.

ANTISTATIC SHIELD

Protect mouse/keyboard against static electricity, especially lowering the chances of USB mouse lag or stuttering.

PURE AUDIO QUALITY

USB speaker is suggested to be connected via Ultra USB Power ports to perform the pure current and offer high audio quality without distortion.

2oz Copper

It 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 CHOKE

ASRock'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 SLOT

The 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.

XXL Aluminum Alloy Heatsink

Extra large aluminum alloy heat sinks that effectively take away heat from the MOSFET and chipset so that your whole system may perform more stable.

Premium 60A Power Choke

Compared to traditional chokes, ASRock'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.

Specifications

• Mfr Part Number: B450 STEEL LEGEND
• CPU: Socket AM4
  • Digi Power design
  • 6 Power Phase design
  • Supports 105W Water Cooling (Pinnacle Ridge); Supports 95W Water Cooling (Summit Ridge); Supports 65W Water Cooling (Raven Ridge)
• Chipset: AMD Promontory B450
• Memory:
  • ​4x DDR4-3533+(OC)/ 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133 DIMM Slots, Dual Channel, ECC, Non-ECC, Unbuffered, Max Capacity of 64GB (AMD Ryzen series CPUs (Pinnacle Ridge))
  • 4x DDR4-3466+(OC)/ 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133 DIMM Slots, Dual Channel, ECC, Non-ECC, Unbuffered, Max Capacity of 64GB (AMD Ryzen series CPUs (Summit Ridge))
    
  • 4x DDR4-3466+(OC)/ 3200(OC)/ 2933/ 2667/ 2400/ 2133 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB (AMD Ryzen series CPUs (Raven Ridge))
• Slots: 6x PCI-Express 3.0 x16 Slots (one run at x8, three runs at x4, one run at x2), 4x PCI Express 2.0 x1 Slots
• Multi-Graphics: Supports AMD Quad CrossFireX and CrossFireX Technology
• Storage:
  • SATA: 6x SATA3 Ports (2 by ASMedia ASM1061), Support RAID 0, 1, 10, NCQ, AHCI and Hot Plug
  • M.2: 1x Ultra M.2 Port (w/ M Key), supports type 2230/ 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); 1x M.2 Port (w/ M Key), supports type 2230/ 2242/ 2260/ 2280/ 22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)
• Audio: Realtek ALC892 7.1-Channel High Definition Audio CODEC with Content Protection
  
• LAN: Realtek RTL8111H PCIE x1 Gigabit Ethernet Controller
  
• Ports: 2x USB 3.1 Gen 2 Ports (1 Type-A rear, 1 Type-C rear), 6x USB 3.1 Gen 1 Ports (4 rear, 2 via header), 6x USB 2.0 Ports (2 rear, 4 via headers), 1x PS/2 Mouse/Keyboard Port, 1x HDMI Port, 1x DisplayPort, 1x Optical SPDIF Out Port, 1x RJ45 LAN Port with LED, Audio I/O Jacks
• Power Connector: 1x 24-pin ATX Power Connector, 1x 8-pin 12V Power Connector
• Form Factor: ATX, 12.0 x 9.6 inch / 30.5 x 24.4 cm