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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. Derived from the “built for stable and reliable” designing concept, ASRock does not compromise on any details. This motherboards is built with low-loss materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance up to 6800MHz and beyond by enabling the pre-tested profiles. Make sure the memory modules are Intel XMP/AMD EXPO capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all. The reinforced DIMM slot is surfaced mounted onto the motherboard to give better physical strength as well as a more stable memory signal, with this superior revolutionary design, it is able to dramatically overclock DRAM module up to insane frequency. Due to the unique electrical architecture of DDR5 DIMM, there’s a high risk of damaging the memory module if AC power isn’t disconnected properly during removal or installation. To prevent this, ASRock has implemented a trouble free protection circuit on every DDR5 motherboard, lowers the risk of damaging your memory module. Compares to conventional DIP style PCIe slot, the SMT type PCIe slot improves signal flow and maximize stability under high speed, a key breakthrough to fully support the lighting speed of the latest PCIe 5.0 standard. The latest PCI Express 5.0 is capable to perform a breathtaking bandwidth of 128GBps, ready to unleash the full potential of future high end graphic cards.

CPU
  • Supports 13th Gen & 12th Gen Intel Core Processors (LGA1700)
  • Supports Intel Hybrid Technology
  • Supports Intel Turbo Boost Max 3.0 Technology
  • Supports Intel Thermal Velocity Boost (TVB)
  • Supports Intel Adaptive Boost Technology (ABT)
Chipset
  • Intel Z790 Express Chipset
Memory
  • Dual Channel DDR5 Memory Technology
  • 4 x DDR5 DIMM Slots
  • Supports DDR5 non-ECC, un-buffered memory up to 6800+(OC)
    1DPC 1R Up to 6800+ MHz (OC), 4800 MHz Natively
    1DPC 2R Up to 6000+ MHz (OC), 4400 MHz Natively
    2DPC 1R Up to 5600+ MHz (OC), 4000 MHz Natively
    2DPC 2R Up to 4800+ MHz (OC), 3600 MHz Natively
  • Max. capacity of system memory: 128GB
  • Supports Intel Extreme Memory Profile (XMP) 3.0
Onboard Graphics

Integrated Graphics Processor-Intel HD Graphics support:

  • 1 x eDP 1.4, supports max. resolution up to Full HD 60Hz
  • 1 x HDMI 2.1 TMDS Compatible, supports HDCP 2.3 and max. resolution up to 4K 60Hz
  • 1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 8K 60Hz / 5K 120Hz

Intel UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.

Audio

7.1 CH HD Audio (Realtek ALC897 Audio Codec)

  • Nahimic Audio
LAN

2.5 Gigabit LAN 10/100/1000/2500 Mb/s

  • Dragon RTL8125BG
  • Supports Dragon 2.5G LAN Software
  • Smart Auto Adjust Bandwidth Control
  • Visual User Friendly UI
  • Visual Network Usage Statistics
  • Optimized Default Setting for Game, Browser, and Streaming Modes
  • User Customized Priority Control
Wireless Communication Module

802.11ax Wi-Fi 6E Module

  • Supports IEEE 802.11a/b/g/n/ac/ax
  • Supports Dual-Band 2x2 with extended 6GHz band support
    * Wi-Fi 6E (6GHz band) will be supported by Microsoft Windows 11. The availability will depend on the different regulation status of each country and region. It will be activated (for supported countries) through Windows Update and software updates once available.
  • 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
  • Supports Bluetooth + High speed class II
  • Supports MU-MIMO
Expansion Slots
CPU:
  • 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode
    * 15μ Gold Contact in VGA PCIe Slot (PCIE1)
Chipset:
  • 1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode
  • 1 x PCIe 3.0 x1 Slots (PCIE3)
  • 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module and Intel CNVio/CNVio2 (Integrated WiFi/BT)
Multi-Graphics Technology
  • AMD CrossFiire
Storage Interface

CPU:

  • 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode
  • 1 x Blazing M.2 Socket (M2_2, Key M), supports type 2260/2280 PCIe Gen5x4 (128 Gb/s) mode
    * If M2_2 is occupied, PCIE1 will downgrade to x8 mode.
    * Either M2_1 or M2_2 can be used at a time

Chipset:

  • 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode
  • 1 x Hyper M.2 Socket (M2_4, Key M), supports type 2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode
  • 1 x Hyper M.2 Socket (M2_6, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode
  • 8 x SATA3 6.0 Gb/s Connectors

Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices

Supports RAID 0, RAID 1 and RAID 5 for M.2 NVMe storage devices

Supports Intel Volume Management Device (VMD)

Supports NVMe SSD as boot disks

USB

Rear:

  • 1 x USB 3.2 Gen2 Type-C
  • 1 x USB 3.2 Gen2 Type-A
  • 8 x USB 3.2 Gen1

Front:

  • 1 x USB 3.2 Gen2x2 Type-C
  • 3 x USB 3.2 Gen1
  • 3 x USB 2.0

All USB ports support ESD protection

Internal I/O Connectors
  • 1 x eDP Signal Connector
  • 1 x SPI TPM Header
  • 1 x Power LED and Speaker Header
  • 1 x RGB LED Header
    * Supports in total up to 12V/3A, 36W LED Strip
  • 3 x Addressable LED Headers
    * Support in total up to 5V/3A, 15W LED Strip
  • 1 x CPU Fan Connector (4-pin)
    * CPU_FAN2/WP supports the fan power up to 2A (24W).
  • 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)
    * CHA_FAN1~5/WP support the fan power up to 2A (24W).
  • 5 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)
    * CPU_FAN2/WP and CHA_FAN1~5/WP can auto detect if 3-pin or 4-pin fan is in use.
  • 1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
  • 2 x 8 pin 12V Power Connectors (Hi-Density Power Connector)
  • 1 x Front Panel Audio Connector (15μ Gold Audio Connector)
  • 1 x Thunderbolt AIC Connector (5-pin) (Supports ASRock Thunderbolt 4 AIC Card)
  • 2 x USB 2.0 Headers (Support 3 USB 2.0 ports)
  • 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
  • 1 x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)
Back Panel Connectors
  • 2 x Antenna Ports
  • 1 x HDMI Port
  • 1 x DisplayPort 1.4
  • 1 x Optical SPDIF Out Port
  • 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s)
  • 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s)
  • 8 x USB 3.2 Gen1 Ports
  • 1 x RJ-45 LAN Port
  • 6 x HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
I/O Controller
  • Not Specified
H/W Monitoring
  • Not Specified
BIOS
  • 256Mb AMI UEFI Legal BIOS with GUI support
  • ASRock EZ Mode
  • ASRock Full HD UEFI
  • ASRock My Favorites in UEFI
  • ASRock Auto Driver Installer
  • ASRock Instant Flash
  • ASRock Easy RAID Installer
Unique Features

Superb Productivity

  • PCIe Gen5 (Graphics)
  • Dual Channel DDR5

Rock-Solid Durability

  • 16+1+1 Power Phase, 60A SPS for VCore+GT
  • Flexible Integrated I/O Shield
  • Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)

Ultrafast Connectivity

  • 2.5G LAN
  • 802.11ax Wi-Fi 6E Module

EZ Update

  • ASRock Auto Driver Installer

EZ Troubleshooter

  • ASRock Post Status Checker
Bundled Software

ASRock Motherboard Utility (A-Tuning)

ASRock Dragon 2.5G LAN Software

ASRock Polychrome SYNC

Operating System
  • Support for Windows 10/11 64-bit
Form Factor
  • ATX Form Factor, 30.5cm x 24.4cm

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ASRock Z790 Steel Legend WiFi, Intel Z790 Chipset, LGA1700, DDR5, ATX Desktop Motherboard

- Socket LGA1700, Intel Z790 Chipset
- Supports 12th, 13th and 14th Gen Processors
- 4 x DDR5 DIMM Slots, Up To 192GB, DDR5-7200 (OC)
- 1 x PCIe 5.0 x16 Slot
- 1 x PCIe 4.0 x16 Slot (x4 Electrical)
- 1 x PCIe 3.0 x16 Slot (x2 Electrical)
- 1 x M.2 PCIe 5.0 NVMe Slot, 4 x M.2 PCIe 4.0 NVMe Slots
- 8 x SATA 3.0 Ports with RAID 0/1/5/10
- 2.5Gbps LAN + Wi-Fi 6E
- 1 x USB Type-A 10Gb/s, 1 x USB Type-C 10Gb/s
- 8 x USB Type-A 5Gb/s 
- 3 Year Warranty

  • Product Code: 90-MXBKD0-A0UAYZ
  • Availability: Out Of Stock leadtimeTooltip Lead Times:
    • In Stock with Progenix: Ready for collection/dispatch once payment clears. The cut-off for same-day dispatch is 12:00pm on business days.
    • In Stock with Supplier: 1-3 business days until dispatched or ready for collection
    • Out Of Stock: Contact us to see if this item will be restocked.
OUT OF STOCK


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