Learn more about the ASRock AB350M Pro4
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Model
Brand ASRock
Model AB350M Pro4
Supported CPU
CPU Socket Type AM4
CPU Type Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge, Raven Ridge and Pinnacle Ridge)
Chipsets
Chipset AMD Promontory B350
Memory
Number of Memory Slots 4x288pin (DDR4)
Memory Standard 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 (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*
* For Ryzen Series CPUs (Raven Ridge), ECC is only supported with PRO CPUs.
Maximum Memory Supported 64GB**
** 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.
Channel Supported Dual Channel
Expansion Slots
PCI Express 3.0 x16 AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
AMD 7th A-Series APUs
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*
AMD Ryzen series CPUs (Raven Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*
AMD Athlon series CPUs
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)*
* Supports NVMe SSD as boot disks
PCI Express 2.0 x16 AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge)
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD 7th A-Series APUs
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD Ryzen series CPUs (Raven Ridge)
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD Athlon series CPUs
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
PCI Express x1 1 x PCI Express 2.0 x1 Slot
Storage Devices
Serial ATA (SATA) 4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug*
* M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled.
M.2 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32Gb/s) (with Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16Gb/s) (with A-Series APU and Athlon 2xxGE series APU)**
1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset 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 x 2160) @ 24 Hz / (3840 x 2160) @ 30 Hz
Supports DVI-D with max. resolution up to 1920 x 1200 @ 60 Hz
Supports D-Sub with max. resolution up to 1920 x 1200 @ 60 Hz
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
Onboard Audio
Audio Chipset Realtek ALC892
Audio Channels 7.1 Channels*
* To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.
Supports Surge Protection
Onboard LAN
LAN Chipset Realtek RTL8111GR
Max LAN Speed 1Gbps
Rear Panel Ports
PS/2 1 x PS/2 Mouse Port
1 x PS/2 Keyboard Port
Video Ports 1 x D-Sub Port
1 x DVI-D Port
HDMI 1 x HDMI
RJ45 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
USB 3.1 4 x USB 3.1 Gen1 Ports (Supports ESD Protection)
USB 1.1/2.0 2 x USB 2.0 Ports (Supports ESD Protection)
USB Type-C 1 x USB 3.1 Gen1 Type-C Port (Supports ESD Protection)
Audio Ports HD Audio Jacks: Line in / Front Speaker / Microphone
