Product Description
Asrock AB350 PRO4, AMD B350, AM4, ATX, 4 DDR4, VGA, DVI, HDMI, RAID
Motherboard Type
Desktop
Form Factor
ATX
Socket
AM4
Chipset
AMD B350
RAM Technology
DDR4 (Dual Channel)
RAM Slots
4 x DIMM
RAM Speeds
Ryzen CPUs: 2667/2400/2133 MHz

7th Gen A-Series APUs: 2133 MHz
Maximum Memory
64GB
Graphics
Integrated AMD Radeon R7/R5 Series Graphics in A-series APU
Graphics Ports
1 x VGA
1 x DVI-D
1 x HDMI
Multi-GPU Support
-
PCI Express
AMD Ryzen series CPUs:
2 x PCIe 3.0 x16 (x16/x4)

AMD 7th A-Series APUs:
2 x PCIe 3.0 x16 (x8/x2)
4 x PCIe 2.0 x1
PCI
-
Storage
6 x SATA III
1 x M.2 Socket (2242/2260/2280) - PCIe
1 x M.2 Socket (2230/2242/2260/2280/22110) - SATA
RAID
RAID 0, 1, 10
Wireless
-
LAN
GB LAN
Audio
7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)
USB Ports Supported
1 x USB 3.0 Type-C port 9at back)
7 x USB 3.0 ports (5 at back, 2 at mid-board)
6 x USB 3.0 ports (2 at back, 4 at mid-board)
Back Panel I/O Ports
1 x PS/2 Mouse/Keyboard
1 x D-Sub
1 x DVI-D
1 x HDMI
2 x USB 2.0 Ports
1 x USB 3.0 Type-C Port
5 x USB 3.0 Ports
1 x RJ-45 LAN 
HD Audio Jacks
Internal I/O Connectors
2 x USB 2.0 Connectors
1 x USB 3.0 Connector
1 x COM Port
1 x TPM
1 x Power LED and Speaker
1 x RGB LED
1 x AMD Fan LED
1 x CPU Fan
3 x Chassis Fan
1 x 24 pin ATX
1 x 8 pin 12V
1 x Front Audio
CPU Support
Click here for CPU support
Accessories
Quick Installation Guide, Support CD, I/O Shield
2 x SATA Data Cables
2 x Screws for M.2 Sockets
Additional Features
See Overview
Package Type
Retail
Package Weight
1.3100 kg
Warranty
3 Year Replacement Warranty