4X4-8640U R2 4X4 Motherboard

Processor System

CPU	AMD Ryzen™ 5 8640U (Max Speed up to 4.9GHz)
BIOS	AMI SPI 256 Mbit

Form Factor

Dimensions	4X4 (4.09-in x 4.02-in x 1.4-in, 10.4 cm x 10.2 cm x 3.6 cm)

Memory

Technology	Dual Channel DDR5 5600 MHz
Capacity	96GB (48 GB per DIMM)
Socket	2 x 262-pin SO-DIMM

Graphics

Controller	AMD Radeon™ Graphics
HDMI	HDMI 2.1 Max resolution up to 7680x4320@60Hz
DisplayPort	DisplayPort 1.4a Max resolution up to 4096x2160@60Hz
MultiDisplay	Max 4 display (included 2 outputs from Type-C)

Expansion Slot

M.2	1 x M.2 (Key E, 2230) with PCIe Gen4 x1, USB 2.0 for Wireless 1 x M.2 (Key B, 2242) with PCIe x1, USB 3.2 Gen1, USB 2.0

Audio

Interface	Realtek ALC256, High Definition Audio

Ethernet

Controller/ Speed	LAN1: Realtek RTL8125BG with 10/100/1000/2500 Mbps
Connector	1 x RJ-45

Front I/O

USB	1 x USB 3.2 Gen2 1 x USB 3.2 Gen1
Audio	1 (headphone & microphone jack)

Rear I/O

HDMI	2 x HDMI 2.1
Ethernet	1 x 2.5 Gigabit LAN
USB	2 x USB 3.2 Gen1 (Type-A) 2 x USB4 (Type-C, 5V/3A, supports DP1.4a display output)
DC Jack	1

Internal Connector

USB	2 x USB 2.0 (2 x 1.25 pitch header)

Security

TPM	AMD FW TPM

Storage

M.2	1 x M.2 (KEY M, 2280) with PCIe Gen4 x4 for SSD
SATA	1 x FPC vertical SATA Header

Watchdog Timer

Output	From Super I/O to drag RESETCON#
Interval	256 Segments 0,1,2....255sec

Power Requirements

Input PWR	12V~24V DC-In Jack
Power On	AT/ATX supported -AT: Direct PWR on as power input ready -ATX:Press button to PWR on after power input ready

Environment

Operating Temp	0ºC ~ 70ºC
Storage Temp	-40° C ~ 85° C
Operating Humidity	5% ~ 90%
Storage Humidity	5% ~ 90%

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