ASROCK X870 Steel Legend WIFI
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ASROCK X870 Steel Legend WIFI
The ASROCK X870 Steel Legend WIFI motherboard is an advanced ATX solution with an AMD X870 chipset and AM5 socket, supporting AMD Ryzen 9000, 8000 and 7000 Series processors. It features four slots for DDR5 memory with a maximum frequency of up to 8000+MHz (OC), two PCIe slots (1× PCIe 5.0 x16, 1× PCIe 4.0 x16) and expanded connectivity including two USB4 ports with speeds of up to 40Gb/s, 2.5G LAN and a Wi-Fi 7 802.11be module. This motherboard combines high performance with robust cooling, thanks to its advanced 14+2+1 phase power design and massive aluminium heatsinks.
AMD X870
Chipset
AMD AM5
Socket
ATX
Format
DDR5
Memory type
4×
Number of RAM slotsKey features of the ASROCK X870 Steel Legend WIFI motherboard
- Powerful 14+2+1 phase power design with 80A Dr.MOS and 20K capacitors ensures stable operation during overclocking
- Dual Channel DDR5 support up to 8000+MHz with Intel XMP and AMD EXPO profiles on four DIMM slots up to 256GB
- Blazing M.2 slot with PCIe Gen5 x4 transfer speeds of 128Gb/s and two Hyper M.2 slots with PCIe Gen4 x4 speeds of 64Gb/s
- Two USB4 Type-C ports with 40Gb/s speeds, a Wi-Fi 7 802.11be module supporting 2.4/5/6GHz frequencies, and Dragon 2.5G LAN
- Realtek ALC4082 7.1CH audio system with Nahimic technology and Direct Drive supporting headphones up to 600Ω
- Advanced cooling system with six PWM fans, massive aluminium heatsinks and Fan-Tastic Tuning function
- Eight-layer ATX PCB design with a PCIe 5.0 x16 slot and a flexible integrated I/O shield ensures reliable operation
Premium power delivery
The motherboard uses a powerful 14+2+1 phase power design with integrated 80A Dr.MOS stages for VCore and SOC, ensuring a stable power supply even during demanding processor overclocking. Compared to traditional discrete MOSFETs, the advanced Dr.MOS technology provides higher current capacity for each phase, resulting in better thermal management and higher performance. The Hi-Density power connectors are built to withstand higher currents than standard CPU and ATX connectors, minimising the risk of overheating. The board includes 20K capacitors with a capacity of 1000µF and a lifespan of 20000 hours, which provide higher charge accumulation, lower voltage ripple and a more stable output current.
DDR5 memory with support for up to 8000+MHz and EXPO profiles
The board supports Dual Channel DDR5 technology with four DIMM slots, allowing for the installation of up to 256GB of system memory. With support for Intel XMP and AMD EXPO profiles, you can easily use preset profiles for memory overclocking up to 8000+MHz (OC) without complex manual adjustments. The eight-layer PCB design ensures stable signal paths and power planes, leading to lower operating temperatures, higher energy efficiency, and a more reliable system for demanding applications and games. Both ECC and non-ECC, un-buffered memory modules are fully supported for maximum flexibility.
Ultra-fast storage with PCIe Gen5 and Gen4 M.2 slots
The motherboard offers three M.2 slots for the latest NVMe SSDs – one Blazing M.2 slot (M2_1) supports the PCIe Gen5 x4 standard with transfer speeds of up to 128Gb/s, which is double the performance of the previous generation. Two additional Hyper M.2 slots (M2_2 and M2_3) support PCIe Gen4 x4 with 64Gb/s transfer speeds. All M.2 slots are equipped with aluminium heatsinks with screwless mounting and bottom heatsinks that dissipate heat through the PCB. For additional storage, there are four SATA III 6.0Gb/s connectors with support for RAID 0, 1, and 10 configurations.
Connectivity, cooling and audio
The motherboard is equipped with two USB4 Type-C ports on the rear panel with transfer speeds of up to 40Gb/s and support for USB PD 3.0 (15W), plus a front USB 3.2 Gen2x2 Type-C connector with 20Gb/s speed. Network connectivity is provided by a Realtek RTL8125BG controller with 2.5Gb/s throughput and a Wi-Fi 7 (802.11be) wireless module with support for Bluetooth 5.4, 2x2 MIMO technology and 2.4/5/6GHz bands. The board is fitted with six 4-pin PWM fan connectors and one connector for an AIO pump, which enable automatic detection of DC/PWM mode and temperature-based speed regulation. A thermistor for more accurate temperature measurement is also included. The audio section uses a Realtek ALC4082 codec with a 7.1 channel configuration, separate PCB layers for the left and right channels, support for headphones with an impedance of up to 600Ω and an S/PDIF optical output.
Port configuration
Storage
- Number of SATA III: 4
- Number of M.2: 3
- M.2 Slot 1 - M.2 PCI-E NVMe Gen5
- 2× M.2 Slot 2 - M.2 PCI-E NVMe Gen4
- Features: RAID 0, RAID 1, RAID 10
USB ports
- Internal USB 2.0: 4
- Internal USB 3.2 Gen 1: 4
- Internal USB-C 3.2 Gen 2x2: 1
- Rear USB 2.0: 4
- Rear USB 3.2 Gen 1: 3
- Rear USB 3.2 Gen 2: 2
- Rear USB4: 2
Graphics
- HDMI 2.1
- Graphics outputs: HDMI, USB4
Audio
- Number of channels: 7.1
- Rear connectors: 2× 3.5mm, Optical S/PDIF
Other
- Rear: BIOS Flashback, 2× Wi-Fi antenna, RJ-45 (LAN) 2.5Gbps
- Power: 24pin, 2× 8pin
- Cooling: PWM FAN count (4-pin) - 6, Water pump - 4-pin
- Internal: RGB LED (4-pin), 3× Addressable LED, Temperature sensors
Choosing a motherboard
When choosing a motherboard, it’s important to pay close attention to the socket type, form factor and chipset. These parameters are among the most crucial and ensure the board’s compatibility with the processor, expansion cards and other components. The specific socket determines your choice of processor, while the remaining connectors dictate which other components you'll need for your future PC.Specifications
Socket and chipset
Format & functions
Memory
Advanced parameters
Connectors
Compatibility
Colour
| Code: | ASx870s1 |
| Warranty: | 36 months |
| Links: | Producer's Website: |