{"product_id":"msi-b550-a-pro-am4-atx-motherboard-pcie-4-0-dual-m-2-ddr4","title":"MSI B550‑A PRO AM4 ATX Motherboard – PCIe 4.0, Dual M.2, DDR4","description":"\u003ch2\u003e\u003cstrong\u003eMSI B550‑A PRO\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eBuild a stable and high‑performance AM4 system with the \u003cstrong\u003eMSI B550‑A PRO\u003c\/strong\u003e, an ATX motherboard engineered for gaming, productivity, and professional workloads. Powered by the AMD B550 chipset, it supports \u003cstrong\u003eRyzen 3000 \/ 4000G \/ 5000 Series processors\u003c\/strong\u003e and delivers fast DDR4 performance up to \u003cstrong\u003e4400+ MHz (OC)\u003c\/strong\u003e. With \u003cstrong\u003ePCIe 4.0 x16 GPU support\u003c\/strong\u003e, \u003cstrong\u003edual M.2 slots\u003c\/strong\u003e, \u003cstrong\u003eUSB 3.2 Gen2\u003c\/strong\u003e, and \u003cstrong\u003eenhanced power delivery\u003c\/strong\u003e, this board provides a reliable and efficient platform for modern AM4 builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMSI’s PRO Series features such as \u003cstrong\u003eCore Boost\u003c\/strong\u003e, \u003cstrong\u003eM.2 Shield Frozr\u003c\/strong\u003e, \u003cstrong\u003ePCI‑E Steel Armor\u003c\/strong\u003e, and \u003cstrong\u003eFlash BIOS Button\u003c\/strong\u003e ensure easy installation, long‑term durability, and stable performance for gaming and workstation systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eType:\u003c\/strong\u003e ATX Motherboard \u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e MSI \u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e B550‑A PRO\u003cbr\u003e\u003cstrong\u003eChipset:\u003c\/strong\u003e AMD B550 \u003cbr\u003e\u003cstrong\u003eCPU Socket:\u003c\/strong\u003e AM4 \u003cbr\u003e\u003cstrong\u003eSupported CPUs:\u003c\/strong\u003e Ryzen 3000 \/ 4000G \/ 5000 Series (with integrated graphics for display output\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eRAM Type:\u003c\/strong\u003e DDR4 (Dual Channel) \u003cbr\u003e\u003cstrong\u003eRAM Slots:\u003c\/strong\u003e 4 × 288‑pin \u003cbr\u003e\u003cstrong\u003eRAM Speed Support:\u003c\/strong\u003e Up to DDR4‑4400+ (O.C.) \u003cbr\u003e\u003cstrong\u003eMax Memory:\u003c\/strong\u003e 128GB\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003ePCIe Slots: \u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003e1 × PCIe 4.0 x16 (GPU slot)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e1 × PCIe 3.0 x16 (x4 mode)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e2 × PCIe 3.0 x1\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eM.2 Slots:\u003c\/strong\u003e 1 × PCIe 4.0 x4 (CPU) – NVMe SSD 1 × PCIe 3.0 x4 (Chipset) – NVMe SSD\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSATA Ports:\u003c\/strong\u003e 6 × SATA 6Gb\/s\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eRAID Support:\u003c\/strong\u003e RAID 0\/1\/10 (SATA)\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003eLAN:\u003c\/strong\u003e Realtek Gigabit LAN (1GbE) \u003cbr\u003e\u003cstrong\u003eWireless:\u003c\/strong\u003e No onboard Wi‑Fi (supports Wi‑Fi cards)\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eAudio \u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003eCodec:\u003c\/strong\u003e Realtek ALC892 \/ ALC897\u003cbr\u003e\u003cstrong\u003eChannels:\u003c\/strong\u003e 7.1‑Channel High Definition Audio\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eVideo Outputs \u003c\/strong\u003e\u003cspan\u003e\u003cem\u003e(Requires Ryzen CPU with integrated Radeon Graphics)\u003cbr\u003e\u003c\/em\u003e\u003c\/span\u003e\u003cspan\u003e1 × HDMI\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e1 × DisplayPort\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eUSB Connectivity\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eRear I\/O\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eUSB‑C (USB 3.2 Gen2)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eUSB‑A (USB 3.2 Gen2)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eUSB‑A (USB 3.2 Gen1)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eUSB‑A (USB 2.0)\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eHDMI\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eDisplayPort\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eLAN\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eAudio jacks\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFlash BIOS Button\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003ePS\/2 Combo Port\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eInternal Headers\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eUSB 3.2 Gen1 header\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eUSB 2.0 header\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eRGB\/ARGB headers\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFront panel connectors\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eTPM header\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMultiple fan headers\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003ePower Connectors: \u003c\/strong\u003e\u003cspan\u003e24‑pin ATX, \u003c\/span\u003e\u003cspan\u003e8‑pin CPU power\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eForm Factor: \u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003eATX (305 × 244 mm)\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eMost Suitable For\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eMid‑range to high‑performance AM4 gaming PCs\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eRyzen 3000 \/ 4000G \/ 5000 Series builds\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eWorkstation \u0026amp; productivity systems\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003ePCIe 4.0 GPU + NVMe storage setups\u003c\/span\u003e\u003c\/p\u003e","brand":"MSI","offers":[{"title":"Default Title","offer_id":55577693553016,"sku":"4719072733667","price":119.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0235\/2028\/0653\/files\/msi_b550M.webp?v=1780935688","url":"https:\/\/www.epsilonpc.co.uk\/products\/msi-b550-a-pro-am4-atx-motherboard-pcie-4-0-dual-m-2-ddr4","provider":"Epsilon PC","version":"1.0","type":"link"}