Model

Brand

ASRock

Series

Fatal1ty

Model

AB350 Gaming K4

Supported CPU

CPU Socket Type

AM4

CPU Type

A-Series / Ryzen Series

Chipsets

Chipset

AMD Promontory B350

Memory

Number of Memory Slots

4×288pin

Memory Standard

AMD Ryzen series CPUs support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 *
AMD 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

Channel Supported

Dual Channel

Expansion Slots

PCI Express 3.0 x16

1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)
Supports NVMe SSD as boot disks
PCIE2 will downgrade to x8 mode when A-Series APU is installed.

1 x PCI Express 3.0 x16 Slot (PCIE4: x4 mode)
PCIE4 will downgrade to x2 mode when A-Series APU is installed.
If M2_1 is occupied, PCIE4 will be disabled.

PCI Express x1

4 x PCI Express 2.0 x1 Slots

Storage Devices

SATA 6Gb/s

4 x SATA3 6.0Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
2 x SATA3 6.0Gb/s Connectors by ASMedia ASM1061, support 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 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 type 2230/2242/2260/2280/22110 M.2 SATA3 6.0Gb/s module
If M2_1 is occupied, PCIE4 will be disabled.
Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit

SATA RAID

0/1/10

Onboard Video

Onboard Video Chipset

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 (4096 x 2160) at 24Hz / (3840 x 2160) at 30Hz
Supports DVI-D with max. resolution up to 1920 x 1200 at 60Hz
Supports D-Sub with max. resolution up to 1920 x 1200 at 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

Onboard Audio

Audio Chipset

Realtek ALC892

Audio Channels

7.1 Channels

Onboard LAN

LAN Chipset

Realtek 8111GR

Max LAN Speed

10/100/1000Mbps

Rear Panel Ports

PS/2

1 x PS/2 keyboard/mouse 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 3.0

2 x USB 2.0 Ports (Supports ESD Protection)
1 x Fatal1ty Mouse Port (USB 2.0) is included
1 x USB 3.0 Type-C Port (Supports ESD Protection)
5 x USB 3.0 Ports (Supports ESD Protection

Audio Ports

HD Audio Jacks: Line in / Front Speaker / Microphone

Internal I/O Connectors

Onboard USB

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)

Other Connectors

1 x COM Port Header
1 x TPM Header
1 x Power LED and Speaker Header
1 x RGB LED Header
Supports up to 12V/3A, 36W LED Strip
1 x AMD Fan LED Header
1 x CPU Fan Connector (4-pin)
The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
3 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)
CHA_FAN2 and CHA_FAN3 can auto detect if 3-pin or 4-pin fan is in use.
1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power Connector
1 x Front Panel Audio Connector

Physical Spec

Form Factor

ATX

Dimensions (W x L)

12.0" x 8.8"

Power Pin

24 Pin

Features

Features

Unique Feature
ASRock Super Alloy
Premium Power Choke
Matte Black PCB
High Density Glass Fabric PCB
2oz Copper PCB
ASRock Steel Slots
ASRock Ultra M.2 (PCIe Gen3 x4)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop
Memory
15µ Gold Contact in DIMM Slots
Audio
Creative SoundBlaster Cinema3

Gaming Armor
Memory
15µ Gold Contact in DIMM Slots
Audio
Creative SoundBlaster Cinema3

BIOS Feature
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

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

Software 
ASRock RGB LED
ASRock Key Master
ASRock APP Charger
ASRock XFast LAN
These utilities can be downloaded from ASRock Live Update & APP Shop.

UEFI 
ASRock Full HD UEFI
ASRock Instant Flash
ASRock Internet Flash
ASRock Crashless BIOS
ASRock Easy RAID Installer

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
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)

Packaging

Package Contents

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