Out of stock

This item is currently out of stock and it may or may not be restocked.

Out of Stock

Most customers receive within 2-8 days.

Add to wish list

Sold by Polytopia

Top Rated

4.1 (51 seller ratings)

Shipped by Polytopia

Meet Your Seller

Polytopia

See Seller Store

Main image of ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

Alt view image 2 of 5 - ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

Alt view image 3 of 5 - ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

Alt view image 4 of 5 - ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

Alt view image 5 of 5 - ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

Shop All ASUS Products | Visit Polytopia Store

ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

REFURBISHED

Be the first to review this product...

AMD AM4 Socket : Compatible to Ryzen 5000, 3rd/2nd/1st Gen AMD Ryzen CPUs.Operating System : Windows 10 64-bit. Windows 7 64-bit
Designed for Productivity: USB 3.2 Gen 2 with 10Gbps ultra-fast transfer speed, onboard M.2 support, 4xDIMMs support up to 128GB DDR4 with 4400 (O.C.) performance, HDMI 2.0b/DVI/D-Sub
Optimized Cooling: VRM and PCH heatsink with extensive surface, thermal pads help transfer heat from the inductor and phase array to the heatsink. Flexible fan controls for ultimate cooling and quietness with ASUS exclusive Fan Xpert 2 plus
Built to Last: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O, 1000 plus compatible devices, 8000 plus Validation Hours
PC DIY Friendly: With BIOS

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews

Any questions? Our AI beta will help you find out quickly.

Try me now

AMD AM4 Socket: Compatible to Ryzen 5000, 3rd/2nd/1st Gen AMD Ryzen CPUs.
Operating System: Windows 10 64-bit. Windows 7 64-bit
Designed for Productivity: USB 3.2 Gen 2 with 10Gbps ultra-fast transfer speed, onboard M. 2 support, 4xDIM
Ms support up to 128GB DDR4 with 4400 (O. C. ) performance, HDMI 2.0 b/DVI/D-Sub
Optimized Cooling: VRM and PCH heatsink with extensive surface, thermal pads help transfer heat from the inductor and phase array to the heatsink. Flexible fan controls for ultimate cooling and quietness with ASUS exclusive Fan Xpert 2 plus
Built to Last: all-round protection with LAN
Guard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O, 1000 plus compatible devices, 8000 plus Validation Hours
PC DIY Friendly: With BIOS

Model
Brand	ASUS
Model	Prime B450M-A II

Supported CPU
CPU Socket Type	AM4
CPU Type	AMD AM4 Socket for 3rd/2nd/1st Gen AMD Ryzen / 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics / Athlon with Radeon Vega Graphics Processors * * Refer to www.asus.com for CPU support list

Chipsets
Chipset	AMD B450

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4400(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133 MHz Un-buffered Memory * ECC Memory (ECC mode) support varies by CPU. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). * The maximum memory frequency supported varies by processor.
Maximum Memory Supported	128GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 3.0 x16	3rd/2nd/1st Gen AMD Ryzen Processors 1 x PCIe 3.0 x16 (x16 mode) 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics Processors 1 x PCIe 3.0 x16 (x8 mode) AMD Athlon with Radeon Vega Graphics Processors 1 x PCIe 3.0 x16 (x4 mode)
PCI Express x16	None
PCI Express x1	2 x PCI Express 2.0 x1 slots

Storage Devices
Serial ATA (SATA)	6 x SATA 6Gb/s
M.2	3rd/2nd/1st Gen AMD Ryzen / 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics: * 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode) Athlon with Radeon Vega Graphics Processors: * 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA mode) * The M.2 slot shares bandwidth with the SATA6G_5/6 ports, and therefore the SATA6G_5/6 ports cannot be used when an M.2 device is installed.
SATA RAID	0/1/10

Onboard Video
Onboard Video Chipset	Integrated Graphics in the 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics / Athlon with Radeon Vega Graphics Processors * 1 x D-Sub 1 x DVI-D 1 x HDMI 2.0b * Graphics specifications may vary between CPU types.

Onboard Audio
Audio Chipset	Realtek High Definition Audio CODEC
Audio Channels	7.1 Channels

Onboard LAN
LAN Chipset	Realtek RTL8111H
Max LAN Speed	1Gbps

Rear Panel Ports
Back I/O Ports	1 x PS/2 keyboard/mouse combo port(s) 1 x DVI-D 1 x D-Sub 1 x HDMI 1 x LAN (RJ45) port(s) 2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A) 4 x USB 3.2 Gen 1 (blue) Type-A 3 x Audio jack(s) 1 x BIOS FlashBack Button(s)
HDMI	1 x HDMI
USB 3.0	3 x USB 3.0

Internal I/O Connectors
Onboard USB	1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) (19-pin) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors	1 x CPU Fan connector(s) (1 x 4-pin) 2 x Chassis Fan connector(s) (2 x 4-pin) 1 x SPI TPM header 1 x COM port(s) connector(s) 1 x S/PDIF out header(s) 1 x Front panel audio connector(s) (AAFP) 1 x System panel(s) 1 x Clear CMOS jumper(s) 1 x COM port header 1 x Speaker connector 1 x RGB Header

Physical Spec
Form Factor	Micro ATX
LED Lighting	RGB
Dimensions (W x L)	9.6" x 9.5"
Power Pin	1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s)

Software Feature
Windows 11	Supported

Features
Features	Software Features: ASUS Exclusive Software Armoury Crate - AURA Creator - AURA Sync AI Suite 3 - Performance and Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert 2+ PC Cleaner - EZ update - System Information ASUS CPU-Z AI Charger ASUS EZ Installer DAEMON Tools Norton Anti-virus software (Free Trial for 60 days) WinRAR UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode ASUS Special Features: ASUS 5X PROTECTION III - ASUS DIGI+ VRM - ASUS LANGuard - ASUS Overvoltage Protection - ASUS SafeSlot Core - ASUS Stainless-Steel Back I/O ASUS Q-Design - ASUS Q-DIMM - ASUS Q-Slot ASUS Thermal Solution - Aluminum heatsink design ASUS EZ DIY - BIOS FlashBack button - BIOS FlashBack LED AURA Sync - AURA RGB header ASUS Lighting Control BIOS: 256MB Flash ROM, UEFI AMI BIOS Operating System: Windows 10 64-bit Windows 7 64-bit * * To support Windows 7 64-bit, please install an AMD Ryzen 2nd Generation or Ryzen 1st Generation Processor.

Packaging
Package Contents	Accessories: User's manual I/O Shield 2 x SATA 6Gb/s cable(s) 1 x M.2 Screw Package 1 x Supporting DVD

Additional Information
First Listed on Newegg	February 22, 2024

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
CONTACT

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Polytopia Return Policy

Manufacturer Contact Info

For a directory of all our manufacturers, please click below.
Manufacturers Directory

Meet Your Seller

ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

Refurbished

Learn more about the ASUS Prime B450M-A II

Customer Reviews of the ASUS Prime B450M-A II

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: 9SIAJEPK4Y8107

Meet Your Seller

ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

Refurbished

Learn more about the ASUS Prime B450M-A II

Customer Reviews of the ASUS Prime B450M-A II

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info