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Network & Connectivity
Build a powerful, yet compact AMD Ryzen system using the ASUS PRIME B550M-A WI-FI AM4 Micro-ATX Motherboard. Powered by the AMD B550 chipset, this motherboard supports third-generation AMD Ryzen processors with the AM4 socket. Designed to pack a ton of power into a small form factor, the micro-ATX motherboard takes advantage of the large PCIe 4.0 data bandwidth to deliver high performance for demanding tasks such as gaming, video editing, and more. Up to 128GB of dual-channel DDR4 ECC memory, reaching 4400 MHz when overclocked, can be installed across four memory slots. The PRIME B550M-A also features advanced cooling and supports up to two M.2 SSDs and four SATA III storage drives, which can be put into RAID 0, 1, or 10 configurations. Its PCIe 4.0 x16 slot can accommodate a high-end graphics card and two PCIe 3.0 x1 slots are available for compatible expansion cards. Or you can use the AMD CPU's integrated graphics by connecting up to three monitors to the motherboard's HDMI, DVI-D, and VGA ports.
The PRIME B550M-A has built-in 802.11ax Wi-Fi that's capable of reaching up to 2.4 Gb/s with compatible devices. Or use the Gigabit Ethernet port for a wired network connection. Connect peripherals such as keyboards and mice to the rear panel's USB 2.0 ports while reserving the USB 3.2 Gen 2 Type-A ports for transferring data from compatible devices at up to 10 Gb/s. Other features include addressable Gen 2 Aura Sync RGB lighting headers and a Realtek ALC887 7.1-channel audio system. Windows 10 64-bit is required to take advantage of all the motherboard's features.
The ASUS PRIME B550M-A pairs third-generation AMD Ryzen AM4 processors and the PCIe 4.0's high memory bandwidth through the B550 chipset for maximum performance.
ASUS OptiMem trace layout technology allows memory kits to operate and high frequencies and low voltages to maximize performance.
The PRIME B550M-A has 8+1 DrMOS power stages that feature high-quality alloy chokes and durable capacitors to provide reliable power critical components such as the CPU.
Take advantage of third-generation AMD Ryzen CPUs that have integrated graphics by connecting monitors to the motherboard's HDMI, DVI-D, and VGA ports.
Aura Sync technology allows you to connect, customize, and control lighting equipment such as RGB LEDs and light strips on the onboard RGB headers. You can choose from a variety of lighting presets that include Static, Strobing, and Color Cycle. These presets can be synchronized with Aura-capable peripherals such as keyboards, mice, monitors, and more. The addressable Gen 2 RGB headers can detect the number of LEDs on a compatible device to further tailor the lighting effects.
ASUS Armoury Crate is a suite of management software for system customization. It includes ASUS Aura Sync RGB lighting control, keyboard and mouse preferences, fan speed control, and more.
Brand - Asus, Model - Asus PRIME B550M-A (WI-FI), Chipset Brand - AMD, Chipset - AMD B550, CPU Sockets - AM4, Supported CPU - AMD Ryzen 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors, Memory Type - DDR4, Memory MHz - AMD Ryzen 5000/ 3000 Series (4600(O.C)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133MHz), AMD Ryzen 4000 G-Series (4800(O.C.)/ 4600(O.C)/ 4466(O.C.)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3333(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133MHz), Memory Channel - Dual Channel, Memory Slot - 4, Memory Max. - 128GB, Optane Memory Support - No, Graphics - Integrated Graphics, PCI Express Slot - 1 x PCIe 4.0 x16 (x16 mode), 1 x PCIe 3.0 x16 (x16 mode), 2 x PCIe 3.0 x1, Storage Interface - 6Gb/s, M.2 Slot - 2 x M.2 Socket 3 (1 x M.2 (M Key, Type 2242/2260/2280/22110(PCIE 4.0 x4 and SATA modes)) / 1 x M.2 (M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes)), 1 x M.2 (M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes))), LAN Chipset - Realtek RTL8111H, LAN Speed (Mbps) - 10/100/1000, Audio Chipset - Realtek ALC887, Audio Channel - 7.1-Channel, Wi-Fi - Yes, Wi-Fi Technology - Intel Wi-Fi 6 AX200, 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMO, Supports up to 2.4Gbps max data rate, Supports dual band frequency 2.4/5 GHz, Supports channel bandwidth: HT20/HT40/HT80/HT160, Supports PCIe interface, Bluetooth - Bluetooth 5.1, USB Port - 2 x USB 3.2 Gen 2 Type-A, 5 x USB 3.2 Gen 1 Type-A, 2 x USB 2.0, VGA Port - 1, DVI Port - 1, HDMI Port - 1, SATA Port - 4 x SATA, BIOS Type - 1 x 256 Mbit Flash ROM, BIOS Model - UEFI AMI BIOS, RaidSupport - 0, 1, 10, TPM Port - 1, COM Port - 1, RGB Support - Yes, RGB Sync - Aura Sync, RGB Connector - 2 x Aura RGB Strip Headers, Form Factor - MATX, Supported Operating System - Windows 10, Special Features - ASUS 5X PROTECTION III, ASUS Q-Design, ASUS Thermal Solution, AURA Sync, ASUS Lighting Control, LED-illuminated design, Audio Shielding, Dedicated audio PCB layers, AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Intel WiFi 6, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB headers support, Comprehensive cooling- VRM heatsink, PCH heatsink, and Fan Xpert 2+, Ultrafast connectivity, Aura Sync RGB- Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware, Others - 1 x CPU Fan connector(s), 2 x Chassis Fan connector(s), 1 x Addressable Gen 2 header(s), 1 x SPI TPM header, 1 x Speaker connector, 1 x System panel connector, 1 x Clear CMOS jumper(s), 1 x ASUS Wi-Fi Module, 3 x Audio jack(s), Warranty - 3 Year Replacement, Country of Origin - Taiwan, Made in/ Assemble - China
Whether you build a new PC or upgrade the existing one, the motherboard is the most vital component to choose when you have already picked the processor of your choice.
It is important to keep a few things in mind while purchasing the mainboard:
You can single out a great CPU from either Intel or AMD, but whatever CPU you choose, make sure your mainboard has the right socket for the selected CPU. The latest mainstream AMD chips use AM4 sockets while current Intel 9th Gen Core CPUs require LGA 1151v2 sockets.
Motherboards typically come in three sizes from largest to smallest: ATX, Micro-ATX, and Mini-ATX motherboards. ATX motherboards offer the highest number of RAM and expansion slots. If you are looking for a budget build, you can use a smaller chassis with the micro or mini boards, but you'll have to settle for fewer PCIe slots, RAM banks, and other connectors.
Most mainstream boards these days have four RAM slots, although Mini-ITX models often have just two, and high-end boards frequently offer eight. The amount of slots, of course, limits the amount of RAM you can install.
It’s essential to check the I/O area on a motherboard to make sure it has the external connection options you need. You may need more USB 3 ports while others may want more audio ports. Among the most common ports, there are USB 3, USB 2, audio, USB type C, USB 3.1 Gen1 and Gen2, HDMI, Display port, PS/2 and Thunderbolt 3 ports. Ports one probably want the most are USB 2 and USB 3 Gen1 ports, as the first one is perfect for keyboard, mouse, and many other devices and the later one work with most peripherals. USB 3.1 Gen2 and USB Type-C ports will come handy in the near future, although most peripherals do not support this standard yet.