ASUS Prime B550M-A WiFi II AMD AM4 Micro ATX Motherboard Like New

ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync) Learn more about the ASUS PRIME B550M-A WIFI II Inaccurate specs? Let us know Feedback Best Seller Ranking #36 in AMD Motherboards Model Brand ASUS Model PRIME B550M-A WIFI II Part Number 90MB19X0-M0AAY0 Supported CPU CPU Socket Type AM4 CPU Type Supports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Processors * Refer to www.asus.com for CPU support list. Chipsets Chipset AMD B550 Memory Number of Memory Slots 4x288pin (DDR4) Memory Standard DDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133* * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types. Maximum Memory Supported 128GB Channel Supported Dual Channel ECC Supported ECC memory (ECC mode) support varies by CPU Buffer Supported Un-buffered Expansion Slots PCI Express 4.0 x16 1 x PCI Express 4.0 x16* * Actual support may vary by CPU. PCI Express x1 2 x PCIe 3.0 x1 Storage Devices Serial ATA (SATA) 4 x SATA 6Gb/s M.2 AMD Ryzen 5000 Series/ 3000 Series Desktop Processors: M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors: M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) AMD B550 Chipset: M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) SATA RAID 0/1/10 Onboard Video Onboard Video Chipset Supported only by CPU with integrated graphic Onboard Audio Audio Chipset Realtek 7.1 Surround Sound High Definition Audio CODEC Audio Channels 7.1 Channels* * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. Onboard LAN LAN Chipset Realtek 1Gb Ethernet Max LAN Speed 1Gbps Wireless LAN Wi-Fi 6 802.11 a/b/g/n/ac/ax Bluetooth Bluetooth 5.2 Rear Panel Ports Back I/O Ports 2 x USB 3.2 Gen 2 ports (2 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 1 x Wi-Fi Module 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port Internal I/O Connectors Onboard USB 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Other Connectors Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 2 x 4-pin Chassis Fan headers Miscellaneous 1 x Addressable Gen 2 header 2 x AURA RGB headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header Physical Spec Form Factor Micro ATX LED Lighting RGB Dimensions (W x L) 9.6" x 9.6" Power Pin 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector