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ASRock Fatal1ty AB350 Gaming K4 AM4 ATX AMD Motherboard

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AMD Promontory B350
Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)
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.

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ASRock Fatal1ty AB350 Gaming K4 AM4 AMD Promontory B350 SATA 6Gb/s USB 3.0 HDMI ATX Motherboards - AMD

Model
Brand	ASRock
Series	Fatal1ty
Model	AB350 Gaming K4

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

Chipsets
Chipset	AMD Promontory B350

Memory
Number of Memory Slots	4x288pin (DDR4)
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	AMD Ryzen series CPUs 2 x PCI Express 3.0 x16 Slots (single at x16 (PCIE2); dual at x16 (PCIE2) / x4 (PCIE4))* AMD 7th A-Series APUs 2 x PCI Express 3.0 x16 Slots (single at x8 (PCIE2); dual at x8 (PCIE2) / x2 (PCIE4))* Supports NVMe SSD as boot disks If M2_1 is occupied, PCIE4 will be disabled.
PCI Express x1	4 x PCI Express 2.0 x1 Slots

Storage Devices
Serial ATA (SATA)	4 x SATA3 6.0Gb/s Connectors, support RAID, 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 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 2230/2242/2260/2280/22110 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 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

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.

Onboard LAN
LAN Chipset	Realtek RTL8111GR
Max LAN Speed	1Gbps

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 3.1	1 x USB 3.1 Gen1 Type-C Port (Supports ESD Protection) 5 x USB 3.1 Gen1 Ports (Supports ESD Protection)
USB 1.1/2.0	2 x USB 2.0 Ports (Supports ESD Protection) * 1 x Fatal1ty Mouse Port (USB 2.0) is included
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 3.1 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) 3 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)* 1 x Front Panel Audio Connector 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_FAN2 and CHA_FAN3 can auto detect if 3-pin or 4-pin fan is in use.

Physical Spec
Form Factor	ATX
LED Lighting	RGB
Dimensions (W x L)	12.0" x 8.8"
Power Pin	1 x 24-pin ATX Power Connector 1 x 8-pin 12V Power Connector

Features
Features	Gaming Armor: Memory - 15µ Gold Contact in DIMM Slots Audio - Creative Sound Blaster Cinema 3 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 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 F-Stream - ASRock RGB LED - ASRock Key Master - 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)

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

Additional Information
First Listed on Newegg	April 10, 2026

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