Product information

ASRock AB350M Pro4: motherboard | Micro ATX | AMD AM4 | AMD B350 Chipset | DDR4 (max. 64GB) | M.2 (PCI-e 3.0 x4) | M.2 (SATA) | 4x SATA-600 | PCI-e 2.0 x1 | PCI-e 2.0 x16 | PCI-e 3.0 x16 | USB 2.0 | USB 3.2 (Gen1, 5Gb/s) | USB 3.2 (Gen1, 5Gb/s) type-c | DVI-D | HDMI | VGA (D-Sub)

Product: ASRock AB350M Pro4
Socket: AMD AM4
Category: Motherboards
Brand: ASRock
Condition: New
EAN: 4717677333176
SKU:90-MXB520-A0UAYZ, AB350M Pro4
Warranty: 6 months

Drivers for the ASRock AB350M Pro4
Processors supported by

package content:
– Motherboard (AB350M Pro4)
– Backplate (blende)
– instruction manual
– driver CD
– cables

Unique Feature
ASRock Super Alloy
– Premium 42A Power Choke
– Sapphire Black PCB
– High-Density Glass Fabric PCB
– 2oz Copper PCB
ASRock Ultra M.2 (PCIe Gen3 x4)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop

CPU
– Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge)
– Digi Power design
– 9 Power Phase design

Chipset
– AMD Promontory B350

Memory
– Dual Channel DDR4 Memory Technology
– 4 x DDR4 DIMM Slots
– AMD Ryzen series CPUs (Matisse) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
– AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
– AMD Ryzen series CPUs (Picasso) support DDR4 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory*
– AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
– AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory*
– AMD 7th Gen A-Series APUs support DDR4 2400 / 2133 non-ECC, un-buffered memory*
– Max. capacity of system memory: 64GB**
– 15μ Gold Contact in DIMM Slots

*For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.
Please refer to the below table for DDR4 UDIMM maximum frequency support.

A-Series APUs:

Ryzen Series CPUs (Matisse):

Ryzen Series CPUs (Pinnacle Ridge):

Ryzen Series CPUs (Picasso):

Ryzen Series CPUs (Summit Ridge):

Ryzen Series CPUs (Raven Ridge):

SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label

**Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.

BIOS
– 128Mb AMI UEFI Legal BIOS with multilingual GUI support
– Support “Plug and Play”
– ACPI 5.1 compliance wake up events
– Supports jumper free
– SMBIOS 2.3 support
– DRAM Voltage multi-adjustment

Graphics
– Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU*
– Integrated AMD Radeon™ R-Series Graphics in A-series APU*
– DirectX 12, Pixel Shader 5.0
– Shared memory default 2GB. Max Shared memory supports up to 16GB.**
– Three graphics output options: D-Sub, DVI-D, and HDMI
– Supports Triple Monitor
– Supports HDMI with max. resolution up to 4K x 2K (4096×2160) @ 24Hz / (3840×2160) @ 30Hz
– Supports DVI-D with max. resolution up to 1920×1200 @ 60Hz
– Supports D-Sub with max. resolution up to 1920×1200 @ 60Hz
– Supports Auto Lip Sync, Deep Color (12bpc), xvYCC, and HBR (High Bit Rate Audio) with HDMI Port (Compliant HDMI monitor is required)
– Supports HDCP 1.4 with DVI-D and HDMI Ports
– Supports Full HD 1080p Blu-ray (BD) playback with DVI-D and HDMI Ports

*Actual support may vary by CPU

**The Max shared memory 16GB requires 32GB system memory installed.

Audio
– 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)
– Premium Blu-ray Audio support
– Supports Surge Protection
– ELNA Audio Caps

LAN
– PCI-E x1 Gigabit LAN 10/100/1000 Mb/s
– Realtek RTL8111GR
– Supports Wake-On-LAN
– Supports Lightning/ESD Protection
– Supports LAN Cable Detection
– Supports Energy Efficient Ethernet 802.3az
– Supports PXE

Slots
AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge)
– 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
– 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD 7th A-Series APUs
– 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*
– 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD Ryzen series CPUs (Picasso, Raven Ridge)
– 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*
– 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD Athlon series CPUs
– 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)*
– 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)

– 1 x PCI Express 2.0 x1 Slot
– Supports AMD Quad CrossFireX™ and CrossFireX™

*Supports NVMe SSD as boot disks

**This feature is only supported with Ryzen Series CPUs (Summit Ridge and Raven Ridge).

Storage
– 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug*
– 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with A-Series APU and Athlon series APU)**
– 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module

*M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled.

**Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit

Connector
– 1 x COM Port Header
– 1 x TPM Header
– 1 x Power LED and Speaker Header
– 1 x RGB LED Header*
– 1 x AMD Fan LED Header*
– 1 x CPU Fan Connector (4-pin)**
– 2 x Chassis Fan Connectors (1 x 3-pin, 1 x 4-pin – Smart Fan Speed Control)***
– 1 x 24 pin ATX Power Connector
– 1 x 8 pin 12V Power Connector
– 1 x Front Panel Audio Connector
– 1 x AMD LED Fan USB Header
– 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
– 1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection)

*Supports in total up to 12V/3A, 36W LED Strip
The AMD Fan LED Header supports LED strips of a maximum load of 3A (36W) and lengths up to 2.5M.

**The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.

***CHA_FAN1 can auto-detect if a 3-pin or 4-pin fan is in use.

Rear Panel I/O
– 1 x PS/2 Mouse Port
– 1 x PS/2 Keyboard Port
– 1 x D-Sub port
– 1 x DVI-D port
– 1 x HDMI Port
– 2 x USB 2.0 Ports (Supports ESD Protection)
– 1 x USB 3.1 Gen1 Type-C Port (Supports ESD Protection)
– 4 x USB 3.1 Gen1 Ports (Supports ESD Protection)
– 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
– HD Audio Jacks: Line in / Front Speaker / Microphone

Software and UEFI
Software
– ASRock A-Tuning
– ASRock RGB LED
– ASRock APP Charger
– ASRock XFast LAN
UEFI
– ASRock Full HD UEFI
– ASRock Instant Flash
– ASRock Easy RAID Installer

*These utilities can be downloaded from ASRock Live Update & APP Shop.

Support CD
– Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar

Accessories
– Quick Installation Guide, Support CD, I/O Shield
– 2 x SATA Data Cables
– 2 x Screws for M.2 Sockets

Hardware Monitor
– CPU, Chassis temperature sensing
– CPU, Chassis Fan Tachometer
– CPU, Chassis Quiet Fan
– CPU, Chassis Fan multi-speed control
– Voltage monitoring: +12V, +5V, +3.3V, Vcore

Form Factor
– Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm
– Solid Capacitor design

OS
– Microsoft® Windows® 10 64-bit / 11 64-bit*

*Bristol Ridge and Summit Ridge do not officially support Windows® 11.

Certifications
– FCC, CE
– ERP/EuP ready (ErP/EuP ready power supply is required)