Supports AMD Ryzen 5000 Series/ 3rd Gen Ryzen and 3rd Gen Ryzen with Radeon Graphics Processors
Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
5+3 Phases Pure Digital VRM Solution with Low RDS(on) MOSFETs
Ultra Durable PCIe 4.0 Ready x16 Slot
Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors
High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality
GIGABYTE Exclusive 8118 Gaming GbE LAN with Bandwidth Management
Rear HDMI & DVI Support
RGB FUSION 2.0 Supports Addressable LED & RGB LED Strips
Smart Fan 5 Features Multiple Temperature Sensors , Hybrid Fan Headers with FAN STOP
Q-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics Card
Anti-Sulfur Resistors Design

CPU
AMD Socket AM4, support for: AMD Ryzen 5000 Series/ 3rd Gen Ryzen and 3rd Gen Ryzen with Radeon Graphics Processors
(Please refer ‘CPU Support List’ for more information.)
Chipset
AMD B550
Memory
4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
AMD Ryzen 5000 series processors:
Support for DDR4 4266(O.C.) / 4000(O.C.) / 3866(O.C.) / 3800(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MHz memory modules
3rd Gen AMD Ryzen Processors:
Support for DDR4 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules
3rd Gen AMD Ryzen with Radeon Graphics processors:
Support for DDR4 4733(O.C.) / 4600(O.C.) / 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules
Dual channel memory architecture
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules

MSI AMD B450M-A PRO MAX AM4 motherboard inspired from architectural design, with Core Boost, DDR4 Boost, Turbo M.2, USB 3.2 Gen1

•Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series, 3000 G-Series, 2000 Series, 2000 G-Series and 1000 Series desktop processors and Athlon with Radeon Vega Graphics desktop processors
•Supports DDR4 Memory, up to 4133 (OC) MHz
•Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs.
•Audio Boost: Reward your ears with studio grade sound quality.
•2.5G LAN: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection
•X-Boost: Software that auto-detects and allows you to boost the performance of any storage or USB device.
•Core Boost: With premium layout and fully digital power design to support more cores and provide better performance.

SPECIFICATIONS

Model Name B450M-A PRO MAX II

CPU Support
Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 GSeries, 3000 Series, 3000 G-Series, 2000 Series, 2000 GSeries and 1000 Series desktop processors and Athlon with Radeon Vega Graphics desktop processors

CPU Socket
Socket AM4

Chipset
AMD B450 Chipset

Expansion Slots
1x PCIe 3.0 x16 slot
1x PCIe 2.0 x1 slot

Display Interface
Support 4K@60Hz as specified in HDMI 2.0b, DVI-D
– Requires Processor Graphics

Memory Support
2 DIMMs,
Dual Channel DDR4-4133+MHz(OC)

Storage
1x M.2 Gen3 x4 32Gbps slot
4x SATA 6Gbps ports

USB ports
6x USB 3.2 Gen 1 5Gbps (6 Type-A)
6x USB 2.0

LAN
Realtek® 8125BG 2.5G LAN

Audio
8-Channel (7.1) HD Audio with Audio Boost

FEATURES:
AMD B550 motherboard adopts digital power supply design, PCI-E 4.0 x16 graphics card slot, PCI-E 4.0/3.0 M.2 slot, Gigabit high-speed network card equipped with intelligent management software, Smart Fan 5

Supports AMD Ryzen 5000 Series / Ryzen 5000 G Series / Ryzen 4000 G Series and Ryzen 3000 Series Processors
Integrated 4 memory slots, support dual-channel ECC/ Non-ECC memory
PCI-E 4.0×16 graphics card dedicated slot
High-speed NVMe PCI-E 4.0/3.0 M.2 SSD slot
High-quality audio dedicated capacitor + independent audio block isolation line
Gigabit high-speed network card equipped with intelligent management software
DP, HDMI interface supports multiple output functions
Q-Flash Plus can easily update BIOS without installing CPU, memory, and graphics card
Anti-sulfur resistance design prolongs service life

SPECIFICATION:

central processing unit (CPU)
AMD AM4 socket, supports: AMD Ryzen 5000 G-series processors/ AMD Ryzen 5000-series processors/ AMD Ryzen 4000 G-series processors/ AMD Ryzen 3000-series processors
(pleasetoCheck the GIGABYTE website for a list of supported processors)
chipset AMD B550

Memory
4 DDR4 DIMM slots,HighestSupport up to 128 GB (Single slot supports 32 GB capacity)
expansion ;1 PCI-E x16 slot,1 PCI-E x1 slot,

storage device interface:
1 x M.2 socket (M2A_CPU) based on CPU
1 x M.2 socket (M2B_SB) based on chipset,
4 SATA 3.0 ports, based on chipset

USB:

Based on CPU:
4 USB 3.2 Gen 1 ports on the rear window IO
Based on chipset:
2 USB 3.2 Gen 1 ports, which need to be connected to the USB port on the motherboard via a cable
6 USB 2.0/1.1 ports (4 on the rear window IO, 2 need to be connected to the USB port on the motherboard via a cable)

operating system
Support Windows 11 64-bit
Support Windows 10 64-bit
PCB specification
Micro ATX specification; 2