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ASRock X870 Steel Legend WiFi ATX Motherboard Socket AM5 AMD X870 DDR5 PCIe 5.0 Gen5 M.2 Wi-Fi 7 USB4 2.5GbE Grey

Brand:
ASRock
ASRock AMD X870 Steel Legend WiFi AM5 DDR5 PCIe 5.0 ATX Motherboard  90MXBPJ0A0UAYZ
ASRock X870 Steel Legend WiFi ATX Motherboard Socket AM5 AMD X870 DDR5 PCIe 5.0 Gen5 M.2 Wi-Fi 7 USB4 2.5GbE Grey
€319.75 inc. VAT
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90-MXBPJ0-A0UAYZ
€268.70 €298.56
€319.75 inc. VAT
Ships from EU stock: 4 item(s)
Product Code
04:497895
EAN Code
4710483949340
Manufacturer
ASRock
Quick Specs
Socket
AMD AM5
Chipset
AMD X870
Memory
4× DDR5, up to 256GB
Form Factor
ATX
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ASRock X870 Steel Legend WiFi — Full-ATX AMD X870 with USB4

AMD AM5 · X8704× DDR5 up to 8000+ MT/s OCPCIe 5.0 + Gen5 M.2Wi-Fi 7 · Dual USB4 · 2.5GbE

The ASRock X870 Steel Legend WiFi is a full-size ATX motherboard built on the latest AMD X870 chipset and the Socket AM5 platform, supporting AMD Ryzen 9000, 8000 and 7000 Series processors. Sold under ASRock part number 90-MXBPJ0-A0UAYZ (EAN 4710483949340), it pairs a distinctive Steel Legend aesthetic with a PCIe 5.0 x16 graphics slot, four DDR5 slots (up to 256GB), a Blazing Gen5 M.2 plus two Gen4 M.2 slots, dual USB4 (40Gbps), Wi-Fi 7 and 2.5GbE networking — a feature-rich base for high-performance AMD builds. Typically in stock with fast delivery across Cyprus.

Compatibility — read before buying
This is an AMD Socket AM5 board on the latest X870 chipset, supporting Ryzen 7000 / 8000 / 9000 processors with full overclocking — it is not compatible with Intel CPUs or older AMD AM4 (Ryzen 5000 and earlier). It uses DDR5 memory only (not DDR4). The X870 platform mandates USB4 and supports native PCIe 5.0 for graphics and the primary M.2.

Best For

✓AMD Ryzen 7000/9000 gaming and creator builds
✓PCIe 5.0 graphics with Gen5 NVMe storage
✓USB4 (40Gbps) external storage and displays
✓Wi-Fi 7 and 2.5GbE networking
✓High-capacity DDR5 (up to 256GB)
✓Style-conscious builds (Steel Legend theme)

Key Features

 
Dual USB4 (40Gbps)
Two rear USB4 Type-C ports deliver 40Gbps for the fastest external storage and displays (up to 8K), a hallmark of the X870 platform.
 
PCIe 5.0 graphics + Gen5 M.2
A PCIe 5.0 x16 slot for next-gen GPUs and a Blazing M.2 (Gen5 x4) for the fastest NVMe SSDs, plus two Hyper M.2 (Gen4) and four SATA ports.
 
Fast, high-capacity DDR5
Four DDR5 DIMM slots support up to 256GB and overclocked speeds of 8000+ MHz, backed by a 14+2+1 phase 80A DrMOS VRM.
 
Wi-Fi 7 + premium audio
Built-in Wi-Fi 7 with Bluetooth 5.4 and 2.5GbE LAN, plus Realtek ALC4082 7.1 audio with content protection for high-fidelity sound.

Technical Specifications

Identification
Part Number 90-MXBPJ0-A0UAYZ
EAN / GTIN 4710483949340
Model ASRock X870 Steel Legend WiFi
Brand ASRock
Platform
Chipset AMD X870
Socket AMD AM5
CPU Support Ryzen 9000 / 8000 / 7000
Form Factor ATX
VRM 14+2+1 phase, 80A DrMOS
Memory
Slots 4× DDR5 DIMM (Dual-Channel)
Max Capacity 256GB
Speed DDR5 up to 8000+ MHz (OC)
Expansion & Storage
PCIe Slots 1× PCIe 5.0 x16 + 1× PCIe 4.0 x16
M.2 1× Blazing M.2 Gen5 x4 + 2× Hyper M.2 Gen4 x4
SATA 4× SATA3 6Gb/s
Connectivity & I/O
Wi-Fi Wi-Fi 7 (802.11be) + Bluetooth 5.4
LAN 2.5GbE LAN (RJ-45)
USB4 2× USB4 40Gbps Type-C (up to 8K)
Rear USB 2× USB 3.2 Gen 2 Type-A, 4× USB 3.2 Gen 1, 4× USB 2.0
Audio Realtek ALC4082 7.1 HD Audio
Other
Display 1× HDMI 2.1 (4K@120)
Colour Silver/Grey (Steel Legend)
Operating System Windows 11 64-bit

Frequently Asked Questions

Which CPUs work with the ASRock X870 Steel Legend WiFi?
It supports AMD Ryzen 9000, 8000 and 7000 Series processors on Socket AM5 with full overclocking. It does not support Intel CPUs or older AMD AM4 (Ryzen 5000 and earlier).
What is special about the X870 chipset?
X870 is AMD’s latest AM5 chipset and mandates USB4 (40Gbps) connectivity, with native PCIe 5.0 support for graphics and the primary M.2 slot.
Does it use DDR4 or DDR5?
DDR5 only. Four DDR5 DIMM slots support up to 256GB at up to 8000+ MHz (OC). DDR4 is not supported on the AM5 platform.
Does it have built-in Wi-Fi?
Yes. It includes Wi-Fi 7 (802.11be) with Bluetooth 5.4, plus 2.5GbE wired LAN for fast networking.
Singular Expert Insight
The X870 Steel Legend WiFi brings the X870 platform’s headline features — dual USB4, Wi-Fi 7 and PCIe 5.0 — to a well-rounded, distinctive board for Ryzen 7000/9000 builds, with a Gen5 M.2 and premium ALC4082 audio. If you want a flagship with dual PCIe 5.0 and five M.2, the ASUS Crosshair X870E Hero steps up; for a tighter budget on AM5 without USB4, a B650/B850 board is an alternative. Add a fast PCIe Gen5 internal SSD in the Blazing M.2 slot.

Buyer's Guide

Buy it if
You are building an AMD Ryzen 7000/9000 system on AM5 and want the latest X870 features — dual USB4, Wi-Fi 7, PCIe 5.0 and Gen5 M.2.
Skip it if
You want a flagship (dual PCIe 5.0, five M.2), or a cheaper AM5 board without USB4 — choose an X870E board or a B650/B850 board.
Also consider
The ASUS ROG Crosshair X870E Hero (flagship) or an ASRock B850M Pro RS WiFi for a lower-cost AM5 build.

Features - ASRock - 90-MXBPJ0-A0UAYZ

CPU Socket
  • Socket AM5
Interface
  • USB Type-C,
  • M.2,
  • Ethernet,
  • Thunderbolt,
  • Bluetooth,
  • WIFI
More Details
Product Code
04:497895
EAN Code
4710483949340
Manufacturer
ASRock
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