ASRock AB350M Pro4 AM4 AMD Promontory B350 SATA 6Gb/s USB 3.1 HDMI Micro ATX AMD Motherboard

ASRock AB350M PRO4 Socket AM4/AMD B350/DDR4/SATA3&USB3.0/M.2/A&GbE/MicroATX Motherboard, Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge).

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Dual M.2 For SSD - One PCIe Gen3 x4 Ultra M.2 interface that pushes data transfer speeds up to 32Gb/s, and is compatible with ASRock's U.2 Kit for installing some of the world's fastest U.2 PCIe Gen3 x4 SSD. And the other one supports SATA3 6Gb/s M.2 modules.

The ASRock AB350M Pro4 motherboard supports AM4 processors and will fit in a standard Micro ATX case. This board is powered by the AMD B350 chipset and has support for 4 x 288-pin DIMM memory sticks with a max memory of up to 64GB. You can choose memory speeds of up to DDR4-2133 / 2400 / 2666 / 2933 / 3200. This motherboard has 4 SATA ports and 1 x 10/100/1000 Mbps Ethernet built-in. Advanced features of the motherboard include: support for RAID, stylish Black / White design.

• DDR4 3200+ (OC) (Ryzen CPU) / 2400 (A-series APU)
• AMD Quad CrossFireX?
• 7.1 CH HD Audio (Realtek ALC892 Audio Codec), ELNA Audio Caps
• 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (SATA3)
• 7 USB 3.1 Gen1 (1 Type-C, 2 Front, 4 Rear)
• Realtek Gigabit LAN

• AMD Promontory B350
• Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)
• Ryzen series CPUs support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133*
• 7th Gen A-Series APUs support DDR4 2400/ 2133*
• *Please refer to Memory Support List on ASRock's website for more information.

Manufacturer：ASRock
MPN：AB350M Pro4
CPU Socket Type：AM4
Processor Type：Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)
Chipset：AMD Promontory B350
Number of Memory Slots：4×288pin
Memory Standard：Ryzen series CPUs support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133*
7th Gen A-Series APUs support DDR4 2400/ 2133*
*Please refer to Memory Support List on ASRock's website for more information.
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
PCI Express 3.0 x16：AMD Ryzen series CPUs
- 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)*

*Supports NVMe SSD as boot disks
PCI Express 2.0 x16：AMD Ryzen series CPUs
- 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)
PCI Express x1：1 x PCI Express 2.0 x1 Slot
SATA 6Gb/s：4 x SATA3 6.0Gb/s*
*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 Ryzen Series CPU) or Gen3 x2 (16Gb/s) (with A-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 Chipset：Integrated AMD Radeon R-Series Graphics in A-series APU*
- DirectX 12, Pixel Shader 5.0
- Max. shared memory 2GB
- Three graphics output options: D-Sub, DVI-D and HDMI
- Supports Triple Monitor
- Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz
- Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz
- Supports D-Sub with max. resolution up to 1920x1200 @ 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 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
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.
LAN Chipset：Realtek 8111GR
Max LAN Speed：10/100/1000Mbps
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 3.1：1 x USB 3.1 Gen1 Type-C Port (Supports ESD Protection)
4 x USB 3.1 Gen1 Ports (Supports ESD Protection)
USB 1.1/2.0：2 x USB 2.0 Ports (Supports ESD Protection)
Audio Ports：HD Audio Jacks: Line in / Front Speaker / Microphone
Onboard USB：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)
Other Connectors：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 Front Panel Audio Connector
1 x AMD LED Fan USB Header

*Supports in total up to 12V/3A, 36W LED Strip.
*The AMD Fan LED Header supports LED strips of maximum load of 3A (36W) and length up to 2.5M.
**The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
***CHA_FAN1 can auto detect if 3-pin or 4-pin fan is in use.
Form Factor：Micro ATX
Dimensions (W x L)：9.6" x 9.6"
Power Pin：1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power Connector
Features：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

BIOS:
- 128MB AMI UEFI Legal BIOS with multilingual GUI support
- Supports "Plug and Play"
- ACPI 5.1 compliance wake up events
- Supports jumperfree
- SMBIOS 2.3 support
- DRAM Voltage multi-adjustment

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 Internet 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

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

OS:
- Microsoft Windows 10 64-bit

Certifications:
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)
Package Includes：Accessories
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables
- 2 x Screws for M.2 Sockets