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ASRock · AM5 · X870

ASRock X870 Steel Legend WiFi

ATX · DDR5 · 4 DIMMs · 14-phase VRM · Wi-Fi 7

Quality
79
VRM
54
Value
88
Amazon
$170
ASRock X870 Steel Legend WiFi
View ASRock X870 Steel Legend WiFi Gallery in high resolution
$170
Available Updated 3 days, 10 hours ago Prime FBA
Overall78.8
VRM54.0
Chipset86.0
Expansion / storage72.0
Connectivity86.0
Audio96.0
Quality / price88.1
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Written analysis

ASRock X870 Steel Legend WiFi at a glance

The ASRock X870 Steel Legend WiFi uses the ATX form factor, AM5 socket, and X870 chipset. This is a high-end platform with the feature headroom expected in an enthusiast gaming or productivity build.

Memory support is DDR5 across 4 DIMM slots, with up to 192 GB and rated overclocked speeds up to 7800 MT/s. XMP / EXPO memory-profile support is recorded for easier tuning.

Best fit: a performance gaming and productivity PC that needs a balanced board without workstation-class excess.

Power delivery

The calculated VRM score is 54.0, placing the power delivery in the mid-range class. The board lists 14 CPU power phases, 80 A power stages in a 14+2+1 layout. CPU power input is listed as 2. It is a sensible match for mainstream processors, with conservative tuning on higher-power chips.

Expansion and storage

The expansion and storage score is 72.0: well equipped . The platform supports PCIe 5.0. Physical expansion includes 2 ×16 slots.

On-board storage consists of 3 M.2 slots and 4 SATA ports. Supported M.2 lengths are listed as 2230, 2260, 2280. That is enough NVMe capacity for a multi-drive gaming or creator setup without immediately relying on an add-in card.

Connectivity and rear I/O

The connectivity score is 86.0, rated premium . Wireless networking is Wi-Fi 7 ; wired networking is 2.5 Gigabit LAN 10/100/1000/2500 Mb/s 2.5 Gigabit LAN 10/100/1000/2500 Mb/s at up to 2500 Mbps. Bluetooth 5.4 is included. The recorded USB provision is 11 rear connections and 9 front-panel connections. USB4 Type-C is available at the rear. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1, USB-C DisplayPort. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 96.0. This is an ultra-premium onboard implementation based on Realtek ALC4082, aimed at users who want strong analogue output without immediately adding a USB DAC. The rear panel has 2 analogue jacks, with gold-plated contacts. Optical S/PDIF is present for digital audio equipment.

Buying verdict

Overall quality is 78.80, a strong performance-class result. This is the practical sweet spot for a powerful gaming or productivity PC without paying for every flagship extra.

At the recorded Amazon price, the quality-to-price score is 88.1—an excellent value relative to the other boards in the catalog.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
ASRock
Motherboard
ASRock X870 Steel Legend WiFi
Chipset / socket
X870 / AM5
Form factor
ATX
Launch price
—
Amazon price
$170
Availability
In stock
Price updated
3 days, 10 hours ago

VRM

CPU phases
14 (80 A)
Power design
14+2+1
EPS connector
2

Memory

Type / slots
DDR5 / 4 DIMMs
Max capacity / OC
192 GB / 7800 MT/s
Per DIMM
48 GB
XMP / EXPO
Yes

PCIe

Supported version
PCIe 5.0
x16 physical
2
x16 Gen 5
1
x16 Gen 4
1

Storage

M.2 slots
3
M.2 lengths
2230, 2260, 2280
SATA ports
4

Display outputs

HDMI
Yes · 2.1 · 4K 120Hz
DisplayPort
No
USB-C DisplayPort
Yes · 8K 30Hz

USB

Rear USB 2.0
4
Rear USB 3.2 Gen 1 Type-A 5 Gbps
3
Rear USB 3.2 Gen 2 Type-A 10 Gbps
2
Rear USB4 Type-C
2
Front USB 2.0
4
Front USB 3.2 Gen 1 Type-A 5 Gbps
4
Front USB 3.2 Gen 2×2 Type-C 20 Gbps
1
Header USB 2.0
4
Header USB 3.2 Gen 1 Type-A 5 Gbps
4
Header USB 3.2 Gen 2×2 Type-C 20 Gbps
1
USB4
Type-C · rear

Networking

Ethernet
2.5 Gigabit LAN 10/100/1000/2500 Mb/s 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
LAN ports
1
LAN speed
2500 Mbps
Wi-Fi
Wi-Fi 7
Wi-Fi bandwidth
160MHz
Bands
2.4GHz/5GHz/6GHz
Antenna connectors
2
Bluetooth
5.4

Audio

Chipset
Realtek ALC4082
Analog jacks
2
Gold-plated jacks
Yes
Optical S/PDIF
Yes
Spatial audio
Rear output

Buttons

BIOS flashback
Yes
Clear CMOS
No
Q-Flash Plus
No
Smart button
No
Onboard start / reset
No

Additional information

Memory notes
Supports Non-ECC, Un-buffered Memory. Supported memory types, data rate (Speed), and number of DRAM modules vary depending on the CPU and memory configuration. Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
Display notes
Graphics are provided by Integrated AMD RDNA™ graphics, but actual support may vary by CPU. The HDMI port is TMDS/FRL 8G compatible and supports HDR and HDCP 2.3. The two USB4 ports also support HDCP 2.3. Video output through the USB4 ports is only possible when using a CPU with embedded graphics, such as AM5 Ryzen™ 9000, 8000, and 7000 series processors.
Expansion notes
The PCIE1 slot will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors, and Gen4x4 with 8000 (Phoenix 2) series processors. The PCIE2 slot is a physical x16 slot that supports x4 mode. The board supports AMD CrossFire™. The main VGA PCIe Slot (PCIE1) has 15μ Gold Contact.
M2_1
5.0 4 · 2280 · CPU — M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
M2_2
4.0 4 · 2230, 2260, 2280 · Chipset
M2_3
4.0 4 · 2260, 2280 · Chipset — If M2_3 is occupied, PCIE2 will be disabled.
Storage notes
The 4 SATA3 6.0 Gb/s connectors are provided by an ASMedia ASM1061 controller. Supports NVMe SSD as boot disks. M2_1 is the first priority for M.2 installation.
USB notes
All USB ports support ESD Protection. Some rear USB 3.2 Gen1 Type-A ports are Lightning Gaming Ports. Some rear USB 3.2 Gen2 Type-A ports support Ultra USB Power.
Audio notes
7.1 CH HD Audio with Content Protection; Individual PCB Layers for R/L Audio Channel; Direct Drive Technology on Front headphone port (Supports up to 600 Ohm headsets); Nahimic Audio.
Networking notes
Supports IEEE 802.11a/b/g/n/ac/ax/axe/be. 1 antenna to support 2 (Transmit) x 2 (Receive) diversity technology. Supports MU-MIMO.
Fan / RGB headers
2 CPU · — OPT · 1 AIO · 3 chassis · 3 ARGB · 1 RGB
Thermal sensors
1
Other headers
Front audio · System panel · TPM
Dimensions
30.5 cm x 24.4 cm

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

Price history

Nearby quality

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VRM fit

VRM-appropriate CPUs

AM5 processors whose TDP sits in this board’s VRM window. Socket match is required; chipset extras still matter on sTR5. This is a power-delivery filter, not a ranked CPU guide.

Open AM5 CPUs in the CPU table

Discussion

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

Graphics

Integrated AMD RDNA™ graphics (Actual support may vary by CPU)
- 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz
- 2 x USB4, support HDCP 2.3 and max. resolution up to 8K 30Hz*

* Only the CPU's embedded graphics can be displayed through USB4 ports. If you want to display to a Type-C monitor, please use AM5 Ryzen™ 9000, 8000 and 7000 processors with embedded graphics.

Expansion slots

CPU:
- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
Chipset:
- 1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode*

- 1 x Vertical M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
- Supports AMD CrossFire™
- 15μ Gold Contact in VGA PCIe Slot (PCIE1)

* PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.
Supports NVMe SSD as boot disks

Storage

CPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
ASMedia ASM1061:
- 4 x SATA3 6.0 Gb/s Connectors

* Supports NVMe SSD as boot disks
M2_1 is the first priority for M.2 installation.
M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
If M2_3 is occupied, PCIE2 will be disabled.

USB

CPU:
- 2 x USB4 Type-C (Rear)
- 1 x USB 3.2 Gen2 Type-A (Rear (USB32_3))
- 1 x USB 3.2 Gen1 Type-A (Rear (USB32_1))
Chipset:
- 1 x USB 3.2 Gen2x2 Type-C (Front)
- 1 x USB 3.2 Gen2 Type-A (Rear (USB32_4))
- 6 x USB 3.2 Gen1 Type-A (2 Rear (USB32_2 and USB32_5), 4 Front)
- 8 x USB 2.0 (4 Rear, 4 Front)

* All USB ports support ESD Protection

Internal I/O

1 x Thermistor Cable Header
- 1 x SPI TPM Header
- 1 x Power LED and Speaker Header
- 1 x RGB LED Header*
- 3 x Addressable LED Headers**
- 2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)***
- 3 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
- 1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
- 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
- 2 x USB 2.0 Headers (Support 4 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)

Rear I/O

2 x Antenna Ports
- 1 x HDMI Port
- 1 x Optical SPDIF Out Port
- 2 x USB4 Type-C Ports (40 Gb/s)*
- 3 x USB 3.2 Gen1 Type-A Ports (USB32_12 are Lightning Gaming Ports.)
- 2 x USB 3.2 Gen2 Type-A Ports (10 Gb/s) (USB32_34 supports Ultra USB Power.)
- 4 x USB 2.0 Ports
- 1 x RJ-45 LAN Port
- 1 x BIOS Flashback Button
- 1 x Line Out Jack (Gold Audio Jack)
- 1 x Microphone Input Jack (Gold Audio Jack)

Wireless

802.11be 2x2 Wi-Fi 7 Module
- Supports IEEE 802.11a/b/g/n/ac/ax/axe/be
- Supports 2.4GHz/5GHz/6GHz* frequency band
- Supports 160MHz channel bandwidth with 6GHz* frequency band
- 1 antenna to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports Bluetooth 5.4
- Supports MU-MIMO

Audio

7.1 CH HD Audio with Content Protection (Realtek ALC4082 Audio Codec)
- Individual PCB Layers for R/L Audio Channel
- Direct Drive Technology on Front headphone port (Supports up to 600 Ohm headsets)
- Nahimic Audio

Special features

Superb Productivity
- PCIe Gen5 (Graphics, M.2)
- Dual Channel DDR5
- USB4 Type-C Ports (40 Gb/s)
Rock-Solid Durability
- 14+2+1 Power Phase, 80A Dr.MOS for VCore+SOC with Enlarged Heatsink Armor
- Flexible Integrated I/O Shield
- 20K Long-lasting Black Caps (high quality and conductive polymer capacitors)
Ultrafast Connectivity
- 2.5G LAN, 802.11be Wi-Fi 7 Module
- ASRock Lightning Gaming Ports
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
EZ Troubleshooter

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