IMB-A1700 ATX Motherboard

Processor System

CPU	AMD EPYC™ 4005/4004 and AMD Ryzen™ 9000/8000/7000 Series Desktop Processors*, up to 170W *The availability of expansion slots may vary by CPU. Please refer to PCIe Bandwidth Table for details. https://download.asrock.com/IPC/Others/AM5_PCIe_Bandwidth_Table.pdf
Chipset	AMD B650
Socket	AM5
BIOS	AMI SPI 256 Mbit

Form Factor

Dimensions	ATX (12-in x 9.6-in x 1.81-in, 30.5 cm x 24.4 cm x 4.61 cm)

Memory

Technology	Dual Channel ECC/non-ECC DDR5 5600 MHz *ECC support may vary by CPU
Capacity	256 GB (64 GB per DIMM)
Socket	4 x 288-pin Long-DIMM

Graphics

Controller	AMD RDNA™ 2 Architecture
HDMI	HDMI 2.0b Max resolution up to 4096x2160@60Hz
DisplayPort	DisplayPort 1.2, DP++ Max resolution up to 4096x2160@60Hz
MultiDisplay	Quad Display (Included 1 output from Type-C)

Expansion Slot

PCIe	2 x PCIe Gen5 Slots (PCIE1/PCIE4: single at x16 (PCIE1); dual at x8 (PCIE1) / x8 (PCIE4)) (PCIE1: Support Riser card x8/x8) 1 x PCIe x4 (Gen4) 4 x PCIe x1 (Gen4)

Audio

Interface	Realtek® ALC897, High Definition Audio. Line-out, Mic-in, Line-in

Ethernet

Controller/ Speed	LAN1: Intel® I210AT with 10/100/1000 Mbps LAN2: Intel® I226V with 10/100/1000/2500 Mbps LAN3: Realtek® RTL8125BG with 10/100/1000/2500 Mbps LAN4: Realtek® RTL8125BG with 10/100/1000/2500 Mbps
Connector	4 x RJ-45

Rear I/O

HDMI	2 x HDMI 2.0b
COM	COM1 (RS-232/422/485)
DisplayPort	1 x DP 1.2++
Ethernet	1 x 1 Gigabit LAN 3 x 2.5 Gigabit LAN
USB	7 x USB 3.2 Gen2 1 x USB 2.0
Audio	3 (Mic-in, Line-in, Line-out)

Internal Connector

USB	1 x USB 2.0 (Type-A vertical con) 6 x USB 2.0 (3 x USB 2.0 header) 1 x USB 3.2 Gen2 (Type-C header, 5V/3A, supports DP 1.2 display output)
COM	COM2 (RS-232/422/485) COM3, COM4, COM5, COM6 (RS-232)

Security

TPM	TPM 2.0 onboard IC

Storage

M.2	1 x M.2 (Key M, 3042/2280/25110 ) with PCIe Gen4 x4 and USB 2.0 for SSD
SATA	4 x SATA3 (6Gb/s)
RAID	Support RAID 0/1/10

Watchdog Timer

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

Power Requirements

Input PWR	ATX PWR (24+8-pin)
Power On	AT/ATX Supported - AT : Directly PWR on as power input ready - ATX : Press button to PWR on after power input ready

Environment

Operating Temp	-20ºC ~ 60ºC
Storage Temp	-40° C ~ 85° C
Operating Humidity	5% ~ 90%
Storage Humidity	5% ~ 90%

Accessories

Gift Package	2 x SATA Data Cable (14G00010107DAK) 1 x I/O Shield (13G02P141000AK) 1 x SCREW M3*2.5 (13G02P072010AK)
Bulk Package	1 x I/O Shield (13G02P141000AK) 4 x SCREW M3*2.5 (13G02P072010AK)

The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.

• Drivers
• Manual