AB350 Pro4

    CPU

    - Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)

    - Digi Power design

    - 9 Power Phase design

    - Supports 95W Air Cooling

    Chipset

    - AMD Promontory B350

    Memory

    - Dual Channel DDR4 Memory Technology

    - 4 x DDR4 DIMM Slots

    - Supports DDR4 3200+/2667/2400/2133 ECC & non-ECC, un-buffered memory*

    - Max. capacity of system memory: 64GB**

    - 15μ Gold Contact in DIMM Slots

    *Please refer to below table for DDR4 UDIMM maximum frequency support.

    A-Series APUs:

    UDIMM Memory Slot    Frequency(MHZ)

    A1    A2    B1    B2

    -    SR    -    -    2400

    -    DR    -    -    2400

    -    SR    -    SR    2400

    -    DR    -    DR    2133

    SR    SR    SR    SR    1866

    SR/DR    DR    SR/DR    DR    1866

    Ryzen Series CPUs:

    UDIMM Memory Slot    Frequency(MHZ)

    A1    A2    B1    B2

    -    SR    -    -    2667

    -    DR    -    -    2667

    -    SR    -    SR    2667

    -    DR    -    DR    2400-2667

    SR    SR    SR    SR    2133-2400

    SR/DR    DR    SR/DR    DR    1866-2133

    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

    - Supports "Plug and Play"

    - ACPI 5.1 compliance wake up events

    - Supports jumperfree

    - SMBIOS 2.3 support

    - DRAM Voltage multi-adjustment

    Graphics

    - Integrated AMD Radeon™ R7/R5 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

    Audio

    - 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)*

    - Premium Blu-ray Audio support

    - Supports Surge Protection

    - ELNA Audio Caps

    *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

    - PCIE 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

    - 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*

    - 1 x PCI Express 3.0 x16 Slot (PCIE4: x4 mode)**

    - 4 x PCI Express 2.0 x1 Slots

    *Supports NVMe SSD as boot disks

    PCIE2 will downgrade to x8 mode when A-Series APU is installed.

    **PCIE4 will downgrade to x2 mode when A-Series APU is installed.

    If M2_1 is occupied, PCIE4 will be disabled.

    Storage

    - 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug*

    - 2 x SATA3 6.0 Gb/s Connectors by ASMedia ASM1061, support 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 Ryzen Series CPU) or Gen3 x2 (16 Gb/s) (with A-Series APU)**

    - 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 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.

    **If M2_1 is occupied, PCIE4 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)**

    - 3 x Chassis Fan Connectors (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

    - 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)

    - 1 x USB 3.0 Header (Supports 2 USB 3.0 ports) (Supports ESD Protection)

    *Supports up to 12V/3A, 36W LED Strip

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

    ***CHA_FAN2 and CHA_FAN3 can auto detect if 3-pin or 4-pin fan is in use.

    Rear Panel I/O

    - 1 x PS/2 Mouse/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 3.0 Type-C Port (Supports ESD Protection)

    - 5 x USB 3.0 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

    Unique Feature

    Software

    - ASRock RGB LED

    - ASRock APP Charger

    - ASRock XFast LAN*

    UEFI

    - ASRock Full HD UEFI

    - ASRock Instant Flash

    - ASRock Internet Flash

    - ASRock Crashless BIOS

    - 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

    - ATX Form Factor: 12.0-in x 8.8-in, 30.5 cm x 22.4 cm

    - Solid Capacitor design

    OS

    - Microsoft® Windows® 10 64-bit*

    *For the updated Windows® 10 driver, please visit ASRock's website for details.

    Certifications

    - FCC, CE, WHQL

    - ErP/EuP ready (ErP/EuP ready power supply is required)