Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Processor | |
| Processor manufacturer | AMD |
| Maximum number of SMP processors | 1 |
| Compatible processor series | AMD Ryzen 3000 Series |
| Processor socket | AM4 |
| Supported processor sockets | Socket AM4 |
| Memory | |
| Maximum internal memory | 128 GB |
| ECC | ![]() |
| Non-ECC | ![]() |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3300,3400,3466,3600,3733,3866,4000,4400 MHz |
| Supported memory types | DDR4 |
| Memory channels | Dual-channel |
| Unbuffered memory | ![]() |
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory clock speed (max) | 4400 MHz |
| ECC сompatibility | ECC |
| Weight & dimensions | |
| Height | 259 mm |
| Width | 244 mm |
| Depth | 240 mm |
| Networking | |
| Ethernet LAN | ![]() |
| Bluetooth | ![]() |
| Wake-on-LAN ready | ![]() |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | ![]() |
| Ethernet interface type | Gigabit Ethernet |
| Top Wi-Fi standard | Not available |
| Internal I/O | |
| Number of SATA connectors | 0 |
| USB 2.0 connectors | 2 |
| S/PDIF out connector | ![]() |
| CPU fan connector | ![]() |
| Number of COM connectors | 1 |
| ATX Power connector (24-pin) | ![]() |
| Number of chassis fan connectors | 2 |
| Number of Parallel ATA connectors | 0 |
| Front panel audio connector | ![]() |
| TPM connector | ![]() |
| EPS power connector (8-pin) | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 6 |
| Number of SATA II connectors | 0 |
| Audio connector | ![]() |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Front panel connector | ![]() |
| 12V power connector | ![]() |
| RGB LED pin header | ![]() |
| Back panel I/O ports | |
| PS/2 ports quantity | 1 |
| USB 2.0 ports quantity | 0 |
| Firewire (IEEE 1394) ports | 0 |
| Ethernet LAN (RJ-45) ports | 1 |
| VGA (D-Sub) ports quantity | 1 |
| eSATA ports quantity | 0 |
| DVI-D ports quantity | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.0b |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| Storage controllers | |
| RAID support | ![]() |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | SATA III |
| Packaging content | |
| Cables included | SATA |
| Drivers included | ![]() |
| Expansion slots | |
| PCI slots | 4 |
| PCI Express x16 slots | 1 |
| PCI Express x1 slots | 2 |
| PCI Express x1 (Gen 2.x) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | 1 |
| BIOS | |
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |
| Clear CMOS button | ![]() |
| Clear CMOS jumper | ![]() |
| Other features | |
| Weight | 849 g |
| mSATA ports quantity | 0 |
| Graphics | |
| Parallel processing technology support | Not supported |
| On-board graphics card | ![]() |
| Features | |
| Motherboard chipset | AMD B450 |
| Motherboard form factor | Micro ATX |
| Product colour | Black |
| Audio output channels | 7.1+2 channels |
| Windows operating systems supported | Windows 10 x64, Windows 7 x64 |
| Motherboard chipset family | AMD |
| Component for | PC |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| EAN | 4718017924986 |
| Warranty | 3 years |
The ASUS Prime B450M-A II is a Micro-ATX motherboard engineered for the AMD AM4 socket, providing a stable foundation for a range of processors. It is built on the AMD B450 chipset and supports 1st, 2nd, and 3rd generation Ryzen CPUs, including Athlon and Ryzen models with integrated Radeon Vega graphics. The board's design incorporates comprehensive cooling management and an 8-pin EPS power connector to ensure consistent power delivery to the CPU. Its compact form factor makes it suitable for builds where space is a consideration, without compromising on core functionality.
Memory and storage configurations are flexible, with four DDR4 DIMM slots that support a dual-channel architecture for up to 128 GB of RAM at speeds reaching 4400 MHz via overclocking. For storage, it includes a single M.2 slot that utilizes a PCIe 3.0 interface for high-speed NVMe drives, complemented by six SATA 6Gb/s ports for additional SSDs or hard drives. The rear I/O panel is equipped with a selection of USB 3.2 Gen 2 and Gen 1 ports for peripheral connectivity, along with a Gigabit Ethernet port for wired networking and an HDMI output for use with processors that have integrated graphics.
Key Features:- AMD B450 chipset with an AM4 processor socket
- Supports 1st, 2nd, and 3rd Gen AMD Ryzen CPUs
- Micro-ATX form factor for compact system builds
- Four DDR4 memory slots with support for up to 128 GB
- One M.2 slot with PCIe 3.0 support for NVMe SSDs
- Six SATA 6Gb/s ports for conventional storage drives
- One PCIe 3.0 x16 slot for a discrete graphics card
- Rear panel includes USB 3.2 Gen 2 and Gen 1 Type-A ports
- Gigabit Ethernet port provides wired network connectivity
- Onboard RGB header for connecting compatible lighting strips
- Supports RAID 0, 1, and 10 configurations
Estimated delivery: 24.11
Today: 10:00 - 18:00
Estimated delivery: 24.11
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Estimated delivery: 24.11
Today: 10:00 - 17:00
Estimated delivery: 24.11
Today: 10:00 - 18:00
Estimated delivery: 24.11
Today: 10:00 - 17:00
Estimated delivery time: 24.11
Estimated delivery time: 25.11
Estimated delivery time: 24.11
Estimated delivery time: 25.11
Estimated delivery time: 25.11
Estimated delivery time: 25.11
- manual pdf (English)


