Asus PRIME B450M-A II (90MB15Z0-M0EAY0)
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Asus PRIME B450M-A II
Towards:home / office
Form Factor:micro-ATX
Socket:AM4
Chipset:AMD B450
BIOS:Ami
RAM slots:DDR4 4 sl
RAM form factor:DIMM
RAM clock:4400 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Power connector:24-pin
Processor power:8-pin
Affordable entry-level microATX motherboard with AM4 processor socket and AMD B450 chipset. It features a practical layout and compact dimensions (24.4x24.0 cm), allowing installation in compact microATX standard cases. It ensures correct operation of AMD Ryzen 1000/2000/3000/5000 processors (Summit Ridge, Pinnacle Ridge, Matisse, Vermeer), Ryzen 2000/3000/4000 APUs (Raven Ridge, Picasso, Renoir), and Athlon CPUs (Raven Ridge).
Positioned as a basic 2021 product, it's aimed at home and office configurations of entry and mid-level. The Asus PRIME B450M-A II motherboard is equipped with a six-phase CPU power subsystem made from high-quality components. With four DIMM slots, it can accommodate up to 128 GB of high-frequency DDR4 memory (up to 4400 MHz). For building a high-performance storage subsystem, it features an M.2 port (PCIe Gen3 x4) and 6 standard SATA3 connectors. Network traffic is efficiently handled by the high-speed Realtek RTL8111H network controller.
All specifications
Specifications PRIME B450M-A II
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Asus 2026 - new arrivals, bestsellers, and the most relevant models Asus.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Asus 2026 - new arrivals, bestsellers, and the most relevant models Asus.
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Series Asus Prime (stability/durability)Compare using chart →
micro-ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 5333 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B650, 2 x DDR5, DIMM, 6400 MHz, USB-C, HDMI, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD B450, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, > 4 SATA3, no backlight
micro-ATX, socket AM4, chipset AMD B450, 2 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, no backlight
ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 5066 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
micro-ATX, socket LGA 1700, chipset Intel B760, 4 x DDR5, DIMM, 7200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD A520, 2 x DDR4, DIMM, 4600 MHz, USB-C, HDMI, M.2, no backlight
ATX, socket LGA 1700, chipset Intel Z790, 4 x DDR4, DIMM, 5333 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
ATX, socket LGA 1700, chipset Intel Z690, 4 x DDR5, DIMM, 6000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling
micro-ATX, socket LGA 1700, chipset Intel H610, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket AM5, chipset AMD B850, 2 x DDR5, DIMM, 9600 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket LGA 1200, chipset Intel H510, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, DisplayPort, M.2, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket LGA 1700, chipset Intel H610, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, DisplayPort, M.2, no backlight
micro-ATX, socket LGA 1200, chipset Intel H470, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket AM4, chipset AMD B550, 2 x DDR4, DIMM, 5100 MHz, USB-C, HDMI, DisplayPort, M.2, no backlight
ATX, socket AM5, chipset AMD B650, 4 x DDR5, DIMM, 7600 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4866 MHz, USB-C, HDMI, M.2, Wi-Fi, no backlight
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We recommendCompare using chart →
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 4800 MHz, USB-C, HDMI, DisplayPort, M.2, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight, White Edition
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8000 MHz, USB-C, USB4, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, White Edition
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, DisplayPort, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, CrossFire, M.2 cooling
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, DisplayPort, M.2, no backlight
micro-ATX, socket AM5, chipset AMD B650, 4 x DDR5, DIMM, 6000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, no backlight
E-ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 8200 MHz, USB-C, USB4, HDMI, M.2, > 4 SATA3, LAN 5 Gbps, CrossFire, Wi-Fi, M.2 cooling
ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 8400 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling