Mainboard ASUS AMD B550 SAM4 MicroATX Memory DDR4 Memory slots 4 2xPCI-Express 3.0 1x 1xPCI-Express 4.0 16x 2xM.2 1x15pin D-sub 1xDVI-D 1xHDMI 6xUSB 3.2 1xPS/2 1xRJ45 3xAudio port PRIMEB550M-A

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.

Tune It Your Way
Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity.

Cool to the Core
Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.

VRM Heatsink and Thermal Pads
A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.

Build on a Solid Foundation
Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

Little Things Make a Big Difference
Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.

Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.

Audio Shielding
Separates analog/digital signal domains, significantly reducing multi-lateral interference.

Separate Layer for Left and Right Tracks
Ensures minimal crosstalk between audio paths.

Premium Japanese Capacitors
Premium parts provide an immersive sound signature, with exceptional fidelity.

• AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ Processors
• Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
• Ultrafast connectivity: Dual M.2, PCIe 4.0, Intel® WiFi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
• Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware

Summary: ASUS PRIME B550M-A. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen 3000 Series. Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA. LAN controller: Realtek 8111H. Motherboard form factor: micro ATX, Motherboard chipset family: AMD, Motherboard chipset: AMD B550 | Vendor Homepage: https://www.asus.com/Motherboards/PRIME-B550M-A/ | Motherboard chipset: AMD B550 | Motherboard chipset family: AMD | Motherboard form factor: micro ATX | Compatible processor series: AMD Ryzen 3000 Series | Processor manufacturer: AMD | Processor socket: Socket AM4 | Maximum internal memory: 128 | Memory slots type: DIMM | Number of memory slots: 4 | Supported memory clock speeds: 2133/2400/2666/2800/3000/3200/3333/3466/3600/3733/3866/4000/4133/4266/4400/4600 | Supported memory types: DDR4-SDRAM | Supported storage drive interfaces: M.2,SATA | Number of SATA connectors: 4 | USB 2.0 connectors: 2 | USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1 | DVI-D ports quantity: 1 | Ethernet LAN (RJ-45) ports: 1 | HDMI ports quantity: 1 | PS/2 ports quantity: 1 | USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4 | USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 2 | Bluetooth: Yes | Bluetooth version: 5.1 | Ethernet LAN: Yes | LAN controller: Realtek 8111H | BIOS memory size: 256 | BIOS type: UEFI AMI | Harmonized System (HS) code: 84733020 | Units per Shipping Box: 1 | Unit Calculated Volume: 0.003577 | Unit Calculated Weight: 0.976