ASUS · Motherboard

ASUS PRIME B650M-A II

B650 · AM5 · mATX · DDR5

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Chipset B650
Form factor mATX
Memory slots 4
Max memory 128 GB
Socket AM5
Memory type DDR5

ASUS PRIME B650M-A II is a mATX and B650 chipset motherboard for AM5 processors and DDR5 memory. It came out in 2023.

Released: 2023-01-08
Socket: AM5

Specifications

Key specs

Chipset: B650
Form factor: mATX
Memory slots: 4
Max memory: 128 GB
Socket: AM5
Memory type: DDR5
Released: 2023-01-08
Part number: 90MB1EH0-M0EAY0
EAN / UPC: 4711387025512

Processor

Processor manufacturer: AMD
Processor socket: Socket AM5
Compatible processor series: AMD Ryzen™ 7

Memory

Supported memory types: DDR5-SDRAM
Number of memory slots: 4
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: ECC & Non-ECC
Supported memory clock speeds: 4800,5000,5200,5400,5600,5800,6000,6200,6400 MHz
Supported memory clock speed (max): 6400 MHz
Maximum internal memory: 128 GB
Unbuffered memory: Yes

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Storage controllers

Supported storage drive interfaces: M.2, PCI Express 4.0, PCI Express 5.0, SATA
Number of HDDs supported: 4
Number of storage drives supported: 2
RAID support: Yes
RAID levels: 0, 1, 10

Internal I/O

USB 2.0 connectors: 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 2
Number of SATA connectors: 4
S/PDIF out connector: Yes
Audio connector: Yes
Front panel connector: Yes
ATX Power connector (24-pin): Yes
Number of EATX power connectors: 1
Power fan connector: Yes
CPU fan connector: Yes
Number of chassis fan connectors: 3
Peripheral (Molex) power connectors (4-pin): 4
EPS power connector (8-pin): Yes
Number of COM connectors: 1
TPM connector: Yes
12V power connector: Yes
RGB LED pin header: Yes

Rear panel I/O ports

USB 2.0 ports quantity: 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 2
Ethernet LAN (RJ-45) ports: 1
VGA (D-Sub) ports quantity: 1
HDMI ports quantity: 1
DisplayPorts quantity: 1
Headphone outputs: 1
Line-in: Yes
Microphone in: Yes
USB connector type: USB Type-A

Network

Ethernet LAN: Yes
Ethernet interface type: 2.5 Gigabit Ethernet

Features

Motherboard chipset: AMD B650
Audio output channels: 7.1 channels
Component for: PC
Motherboard form factor: micro ATX
Motherboard chipset family: AMD
Windows operating systems supported: Windows 10, Windows 11

Expansion slots

PCI Express x16 (Gen 4.x) slots: 3

BIOS

BIOS type: UEFI
BIOS memory size: 256 Mbit

Weight & dimensions

Width: 244 mm
Depth: 244 mm

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Compatible processors

AM5 socket

AMD Ryzen 7 9800X3D8 cores · 16 threads
AMD Ryzen 5 76006 cores · 12 threads
AMD Ryzen 7 7800X3D8 cores · 16 threads
AMD Ryzen 5 9600X6 cores · 12 threads
AMD Ryzen 5 7500F6 cores · 12 threads
AMD Ryzen 5 8600G6 cores · 12 threads
AMD Ryzen 9 9950X16 cores · 32 threads
AMD Ryzen 7 77008 cores · 16 threads

Compatible memory

DDR5

Kingston FURY Beast 32GB (2x16) DDR5-6000 CL3632 GB (2x16) · DDR5
ADATA XPG Lancer RGB 32GB (2x16) DDR5-6000 CL3032 GB (2x16) · DDR5
Klevv Cras V RGB32 GB (2x16) · DDR5
Klevv 32GB (2X16GB) 6400MHz CL32 DDR5 GAMING RAM MODULE 32-38-38-78 1.35V URBANE V RGB BLACK KIT32 GB (2x16) · DDR5
Klevv Bolt V32 GB (2x16) · DDR5
Klevv Fit V16 GB (1x16) · DDR5
Kingston 64GB 5200MT/s DDR5 CL36 DIMM (Kit of 2) FURY Beast Black EXPO64 GB (2x32) · DDR5
VeloxStor 7011-DDR, 16 GB, DDR5, 4800 MT/s, 288-pin UDIMM16 GB (1x16) · DDR5

About this product

B650M-A II

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 7000-series processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, PRIME B650M-A II provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features.

FLEXIBILITY

Comprehensive controls form the foundation of the ASUS PRIME series. The PRIME B650 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity. CPU Performance Boost AMD Precision Boost Overdrive(PBO) pushes the CPU current and voltage budget to opportunistically increase performance. By aggressively tuning the PBO parameters, AMD‘s algorithm can leverage the motherboard’s robust power solution to ramp up performance even higher. All-Around Energy Efficiency The Power Saving function contains several settings can easily optimize power consumption and maximize energy savings. You can enable a CPU power limit, darken Aura lighting, and set the fan profile to a power saving mode.

User manual (PDF)

PRIME B650M-A II vs similar motherboards

	ASUS PRIME B650M-A II	ASUS TUF GAMING B650M-E	ASUS TUF GAMING B650M-E WIFI	ASUS PRIME B650M-A II-CSM
Chipset	B650	B650	B650	B650
Form factor	mATX	mATX	mATX	mATX
Memory slots	4	4	4	4
Max memory	128 GB	128 GB	128 GB	128 GB
Socket	AM5	AM5	AM5	AM5
Memory type	DDR5	DDR5	DDR5	DDR5
Released	2023	2023	2023	2023