Specification Basic Information Supported CPU Socket AM4 supports AMD Ryzen 3rd Gen (Matisse/ Renoir) and Ryzen 4th Gen (Vermeer/ Future) processors Support for future AMD Ryzen processors with BIOS update Chipset AMD B550 Form Factor Micro ATX Form Factor Dimension: 24.4cm x 24.4cm ( W x L ) Audio Realtek ALC897 7.1 Channels, High Definition Audio, Hi-Fi (Front) Expansion Slots PCI AMD Ryzen 5000/3000 Series Processors 1 x PCIe 4.0 x16 Slot (x16 or x4/x4/x4/x4 mode) or AMD Ryzen 5000 G/4000 G Series Processors 1 x PCIe 3.0 x16 Slot (x16 or x8/x4/x4 mode) AMD B550 Chipset 1 x PCIe 3.0 x16 Slot (x4 mode) 1 x PCIe 3.0 x1 Slot M.2 Socket 2 x M.2 sockets Memory Type DDR4 Slots 4 x DIMM Supported Memory 4th Gen AMD Ryzen Processors (Vermeer CPUs/ Future APUs): Supports Dual Channel DDR4 4400+(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 3rd Gen AMD Ryzen Processors (Matisse CPUs): Supports Dual Channel DDR4 4400+(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 3rd Gen AMD Ryzen with Radeon Graphics Processors (Renoir APUs): Supports Dual Channel DDR4 4933+(OC)/ 4800(OC)/ 4600(OC)/ 4400(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 Maximum Memory Up to 128GB Graphics Graphics By CPU model Supports DX12 Supports HDCP Connector & Ports HDMI 1 x HDMI Port VGA (s) 1 x VGA Port DVI-D (s) 1 x DVI-D Port USB (s) 4 x USB 3.2 (Gen1) Ports 2 x USB 2.0 Ports 2 x USB 2.0 Header (each header supports 2 USB 2.0 ports) 1 x USB 3.2 (Gen1) Header (each header supports 2 USB 3.2 (Gen1) ports) LAN Port (s) Realtek RTL8111H 10/ 100/ 1000 Mb/s auto negotiation, Half / Full duplex capability Wireless Communication module Supports WiFi 6 module Supported Storage Total supports 2 x M.2 socket and 4 x SATA III (6Gb/s) ports 4 x SATA III Connectors (6Gb/s) : Supports AHCI & RAID 0, 1, 10 1 x M.2 (M Key) Socket (M2_PCIEG4_64G_SATA): Supports M.2 Type 2242/ 2260/ 2280 SSD module Supports PCIe 4.0 x4 (64Gb/s)/ 3.0 x4 (32Gb/s) & SATA III (6.0Gb/s) SSD 1 x M.2 (M Key) Socket (M2_PCIEG3_32G_SATA): Supports M.2 Type 2242/ 2260/ 2280 SSD module Supports PCIe 3.0 x4 (32Gb/s) & SATA III (6.0Gb/s) SSD Audio 3 x Audio Jack Internal I/O Ports 4 x SATA III (6.0Gb/s) Connectors 1 x M.2 (E Key) Socket : Supports 2230 type Wi-Fi & Bluetooth module 2 x USB 2.0 Header (each header supports 2 USB 2.0 ports) 1 x USB 3.2 (Gen1) Header (each header supports 2 USB 3.2 (Gen1) ports) 1 x 8-Pin Power Connector 1 x 24-Pin Power Connector 1 x CPU Fan Connector 2 x System Fan Connectors 1 x Front Panel Header 1 x Front Audio Header 1 x Internal Stereo Speaker Header 1 x Clear CMOS Header 1 x S/PDIF out Connector 1 x COM Port Header 1 x TPM Header 1 x SYSTEM Status LED Others Special Features A.I FAN PCIe M.2 4.0 Bundled Software BullGuard Warranty Information Manufacturing Warranty 3 Years Description BIOSTAR B550MX/E PRO DDR4 AMD AM4 Micro ATX Motherboard The BIOSTAR B550MX/E PRO is a high-performance micro ATX motherboard designed for AMD AM4 processors. It offers excellent compatibility and features to meet the needs of gamers, content creators, and PC enthusiasts. With its advanced specifications and cutting-edge technologies, this motherboard provides a reliable foundation for a powerful computer system. The motherboard supports both AMD Ryzen 3rd Gen (Matisse / Renoir) and 4th Gen (Vermeer) processors, ensuring compatibility with a wide range of CPUs. It utilizes the AMD B550 single-chip architecture, which enhances overall system performance and efficiency. The BIOSTAR B550MX/E PRO is its memory support. It accommodates up to four DIMM slots, supporting high-speed DDR4 memory modules with frequencies ranging from 2133MHz to an impressive 4933MHz (when overclocked). The maximum memory capacity supported is 128GB, allowing for smooth multitasking and seamless operation of memory-intensive applications. To meet the demands of fast storage solutions, the motherboard includes PCIe M.2 4.0 slots. This technology enables blazing-fast data transfer speeds of up to 64Gb/s, allowing for rapid access to files and reduced loading times for applications and games. The motherboard supports HDMI 4K resolution, ensuring a crisp and vibrant visual experience when connected to compatible displays. This feature is particularly appealing to gamers and multimedia enthusiasts who desire immersive visuals and accurate color reproduction. The BIOSTAR B550MX/E PRO offers built-in WiFi 6 module support, providing fast and reliable wireless connectivity. WiFi 6 (802.11ax) delivers higher speeds, increased network capacity, and improved efficiency compared to previous generations, enabling seamless streaming, online gaming, and file transfers. The BIOSTAR B550MX/E PRO DDR4 AMD AM4 Micro ATX Motherboard combines powerful performance, versatile connectivity options, and advanced features to deliver a superior computing experience. Whether you're a gamer, content creator, or power user, this motherboard provides the necessary tools to build a high-performing and future-proof PC system.

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