{"product_id":"msi-b550-a-pro-proseries-amd-am4-atx-motherboard-black","title":"MSI B550-A PRO ProSeries AMD AM4 ATX Motherboard - Black","description":"\u003cmain id=\"opc-premium-v3\" class=\"opc-desc\" style=\"--opc-accent: #9AA0A6; --opc-accent-soft: #D7DADF; --opc-hero-start: #070808; --opc-hero-middle: #141617; --opc-hero-end: #2A2D30; --opc-visual-label: 'B550-A PRO'; --opc-chip-label: 'PRO';\"\u003e\n\u003csection class=\"opc-hero\" style=\"background: radial-gradient(circle at 86% 14%,rgba(154,160,166,.26),transparent 30%),radial-gradient(circle at 8% 90%,rgba(255,255,255,.06),transparent 34%),linear-gradient(135deg,#070808 0%,#141617 58%,#2A2D30 100%);\"\u003e\n\u003cdiv class=\"opc-hero-copy\"\u003e\n\u003cspan class=\"opc-hero-badge\"\u003eAM4. B550. PCIe 4.0. DUAL M.2. USB 10Gbps. FLASH BIOS.\u003c\/span\u003e\n\u003ch2 class=\"opc-product-title\"\u003eMSI B550-A PRO ProSeries AMD AM4 ATX Motherboard — Black\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMSI B550-A PRO\u003c\/strong\u003e is a professional-grade AMD B550 ATX motherboard designed for stable Ryzen performance, productivity, and gaming. MSI Core Boost, Digital PWM, a \u003cstrong\u003e2oz thickened copper PCB\u003c\/strong\u003e, and an extended heatsink design provide a dependable foundation for compatible Ryzen processors.\u003c\/p\u003e\n\u003cp\u003ePCIe 4.0 graphics support, a PCIe 4.0 x4 M.2 slot, dual M.2 storage, six SATA ports, USB 3.2 Gen 2 Type-A and Type-C connectivity, Gigabit Ethernet, Audio Boost, and a dedicated \u003cstrong\u003eFlash BIOS Button\u003c\/strong\u003e make it a practical and highly expandable AM4 platform.\u003c\/p\u003e\n\u003cdiv class=\"opc-hero-tags\"\u003e\n\u003cspan\u003eAMD B550\u003c\/span\u003e\u003cspan\u003eAM4\u003c\/span\u003e\u003cspan\u003eDDR4\u003c\/span\u003e\u003cspan\u003ePCIe 4.0\u003c\/span\u003e\u003cspan\u003eDual M.2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-hero-visual\"\u003e\n\u003cdiv class=\"opc-board\"\u003e\n\u003cdiv class=\"opc-board-vrm\" style=\"background: linear-gradient(135deg,#242627,#9AA0A6 48%,#50555A);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"opc-board-ram\"\u003e\n\u003ci style=\"background: linear-gradient(#202223,#9AA0A6,#080909);\"\u003e\u003c\/i\u003e\u003ci style=\"background: linear-gradient(#202223,#D7DADF,#080909);\"\u003e\u003c\/i\u003e\u003ci style=\"background: linear-gradient(#202223,#6E747A,#080909);\"\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-board-chip\" style=\"background: linear-gradient(145deg,#090A0A,#35383A 72%,#50555A);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"opc-board-slot s1\" style=\"background: linear-gradient(90deg,#171819,#9AA0A6,#171819);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"opc-board-slot s2\" style=\"background: linear-gradient(90deg,#171819,#D7DADF,#171819);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"opc-board-slot s3\" style=\"background: linear-gradient(90deg,#171819,#9AA0A6,#171819);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-float one\"\u003e\n\u003cstrong\u003ePCIe 4.0\u003c\/strong\u003e\u003cspan\u003egraphics + NVMe\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-float two\"\u003e\n\u003cstrong\u003e4400+\u003c\/strong\u003e\u003cspan\u003eDDR4 OC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-float three\"\u003e\n\u003cstrong\u003e10Gbps\u003c\/strong\u003e\u003cspan\u003eUSB Gen 2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-highlights\"\u003e\n\u003carticle class=\"opc-highlight\"\u003e\u003cstrong\u003ePCIe 4.0\u003c\/strong\u003e\u003cspan\u003eHigh-Speed Expansion\u003c\/span\u003e\n\u003cp\u003eThe primary x16 slot and first M.2 slot support PCIe Gen4 with compatible Ryzen processors.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-highlight\"\u003e\u003cstrong\u003eDual M.2\u003c\/strong\u003e\u003cspan\u003eFast NVMe Storage\u003c\/span\u003e\n\u003cp\u003eTwo M.2 slots provide flexible solid-state storage, including a CPU-connected PCIe 4.0 x4 slot.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-highlight\"\u003e\u003cstrong\u003e4400+\u003c\/strong\u003e\u003cspan\u003eDDR4 OC\u003c\/span\u003e\n\u003cp\u003eFour DIMM slots support up to 128GB with A-XMP overclocked speeds depending on the configuration.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-highlight\"\u003e\u003cstrong\u003eFlash BIOS\u003c\/strong\u003e\u003cspan\u003eEasy Firmware Updates\u003c\/span\u003e\n\u003cp\u003eUpdate the BIOS using a USB drive without installing a CPU, memory, or graphics card.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eStable Performance\u003c\/span\u003e\n\u003ch2\u003eCore Boost + Digital PWM\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp\u003eMSI combines an optimized power layout with a digital PWM controller and enhanced PCB design for reliable CPU power delivery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-grid\"\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e⚡\u003c\/div\u003e\n\u003ch3\u003eCore Boost\u003c\/h3\u003e\n\u003cp\u003eAn optimized power circuit layout is designed to provide precise and consistent current to compatible Ryzen processors.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🎛️\u003c\/div\u003e\n\u003ch3\u003eDigital PWM\u003c\/h3\u003e\n\u003cp\u003eA digital power controller helps maintain smooth operation under demanding workloads.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🧱\u003c\/div\u003e\n\u003ch3\u003e2oz Copper PCB\u003c\/h3\u003e\n\u003cp\u003eA thickened copper PCB improves electrical performance, heat dissipation, and long-term reliability.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e❄️\u003c\/div\u003e\n\u003ch3\u003eExtended Heatsink\u003c\/h3\u003e\n\u003cp\u003eAn enlarged PWM heatsink with high-conductivity thermal pads helps manage VRM temperatures.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eNext-Gen Storage \u0026amp; Graphics\u003c\/span\u003e\n\u003ch2\u003ePCIe 4.0 + Lightning Gen4 M.2\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-grid\"\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🎮\u003c\/div\u003e\n\u003ch3\u003ePCIe 4.0 x16\u003c\/h3\u003e\n\u003cp\u003eThe reinforced primary slot supports PCIe 4.0 x16 with compatible Ryzen processors.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e💾\u003c\/div\u003e\n\u003ch3\u003eGen4 x4 M.2\u003c\/h3\u003e\n\u003cp\u003eThe primary M.2 slot supports PCIe 4.0 x4 NVMe drives for high-bandwidth storage.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🧊\u003c\/div\u003e\n\u003ch3\u003eM.2 Shield Frozr\u003c\/h3\u003e\n\u003cp\u003eIntegrated M.2 cooling helps reduce SSD thermal throttling during sustained transfers.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🗄️\u003c\/div\u003e\n\u003ch3\u003e6× SATA 6Gb\/s\u003c\/h3\u003e\n\u003cp\u003eSix SATA connectors provide extensive support for additional SSDs and hard drives.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eHigh-Speed Connectivity\u003c\/span\u003e\n\u003ch2\u003eUSB 3.2 Gen 2 10Gbps\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-grid\"\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🔌\u003c\/div\u003e\n\u003ch3\u003eRear USB-C 10Gbps\u003c\/h3\u003e\n\u003cp\u003eA rear USB 3.2 Gen 2 Type-C port supports fast external storage and compatible peripherals.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e⚡\u003c\/div\u003e\n\u003ch3\u003eRear USB-A 10Gbps\u003c\/h3\u003e\n\u003cp\u003eA USB 3.2 Gen 2 Type-A port provides another high-speed 10Gbps connection.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🧩\u003c\/div\u003e\n\u003ch3\u003eFront USB-C Header\u003c\/h3\u003e\n\u003cp\u003eAn internal USB 3.2 Gen 1 Type-C connector supports compatible modern cases.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🔄\u003c\/div\u003e\n\u003ch3\u003eBroad USB Support\u003c\/h3\u003e\n\u003cp\u003eAdditional rear and internal USB 3.2 Gen 1 and USB 2.0 connectivity supports a wide peripheral ecosystem.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eProfessional Expansion\u003c\/span\u003e\n\u003ch2\u003eFlexible PCIe \u0026amp; Multi-GPU Support\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-grid\"\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🛡️\u003c\/div\u003e\n\u003ch3\u003ePCIe Steel Armor\u003c\/h3\u003e\n\u003cp\u003eThe primary expansion slot is reinforced to better support large graphics cards and reduce EMI interference.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e➕\u003c\/div\u003e\n\u003ch3\u003eSecond x16 Slot\u003c\/h3\u003e\n\u003cp\u003eA secondary PCIe 3.0 x16 physical slot operates at up to x4 speed for compatible expansion devices.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🔹\u003c\/div\u003e\n\u003ch3\u003e2× PCIe x1\u003c\/h3\u003e\n\u003cp\u003eTwo PCIe 3.0 x1 slots support sound cards, capture cards, adapters, and other expansion hardware.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-card\"\u003e\n\u003cdiv class=\"opc-icon\"\u003e🔀\u003c\/div\u003e\n\u003ch3\u003eAMD CrossFire\u003c\/h3\u003e\n\u003cp\u003eThe platform supports 2-way AMD CrossFire configurations where compatible hardware is used.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eProductivity \u0026amp; Gaming Essentials\u003c\/span\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-features\"\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eAMD AM4 socket with B550 chipset\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eRyzen 5000 \/ 4000 G-Series \/ 3000 Series desktop processor support\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003e4 × DDR4 DIMM slots, up to 128GB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eDDR4 4400+ MHz A-XMP OC support depending on configuration\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eCore Boost and Digital PWM power design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003e2oz thickened copper PCB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eExtended VRM heatsink with 7W\/mK thermal pad\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003e1 × PCIe 4.0 \/ 3.0 x16 primary slot\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003e1 × PCIe 3.0 x16 physical slot operating up to x4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003e2 × PCIe 3.0 x1 slots\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003e2 × M.2 slots including PCIe 4.0 x4 support\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003e6 × SATA 6Gb\/s connectors\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eRear USB 3.2 Gen 2 Type-A + Type-C 10Gbps\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eInternal USB 3.2 Gen 1 Type-C connector\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eRealtek RTL8111H Gigabit LAN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eRealtek ALC892 \/ ALC897 7.1-channel HD audio\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eHDMI 2.1 + DisplayPort display outputs for compatible APUs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eFlash BIOS Button\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eMystic Light RGB + JRAINBOW ARGB headers\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-feature\"\u003e\n\u003cspan class=\"opc-feature-check\"\u003e✓\u003c\/span\u003e\u003cspan class=\"opc-feature-text\"\u003eATX 30.5 × 24.4cm form factor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eVersatile AM4 Platform\u003c\/span\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-perfect-grid\"\u003e\n\u003carticle class=\"opc-perfect\"\u003e\u003csmall\u003eProductivity PCs\u003c\/small\u003e\n\u003ch3\u003eStable PRO Platform\u003c\/h3\u003e\n\u003cp\u003eMSI PRO features prioritize reliability, connectivity, and expansion for professional workflows.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-perfect\"\u003e\u003csmall\u003eRyzen Gaming\u003c\/small\u003e\n\u003ch3\u003ePCIe 4.0 Ready\u003c\/h3\u003e\n\u003cp\u003ePair a compatible Ryzen CPU with a modern graphics card and PCIe 4.0 NVMe storage.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-perfect\"\u003e\u003csmall\u003eStorage Builds\u003c\/small\u003e\n\u003ch3\u003eDual M.2 + 6 SATA\u003c\/h3\u003e\n\u003cp\u003eCombine fast NVMe drives with multiple SATA devices for flexible capacity.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"opc-perfect\"\u003e\u003csmall\u003eDIY Builders\u003c\/small\u003e\n\u003ch3\u003eFlash BIOS Button\u003c\/h3\u003e\n\u003cp\u003eFirmware can be updated using a USB drive even without a CPU, RAM, or GPU installed.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eDetailed Product Information\u003c\/span\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-table\" role=\"region\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePRO Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eB550-A PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Graphite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSocket\u003c\/td\u003e\n\u003ctd\u003eAMD AM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eAMD B550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPU Support\u003c\/td\u003e\n\u003ctd\u003eAMD Ryzen 5000 \/ 3000 Series desktop processors and Ryzen 4000 G-Series desktop processors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eATX — 30.5 × 24.4cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e4 × DDR4 DIMM, Dual Channel, up to 128GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory OC\u003c\/td\u003e\n\u003ctd\u003eUp to DDR4-4400+ A-XMP OC; higher limits vary by DIMM configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary PCIe\u003c\/td\u003e\n\u003ctd\u003e1 × PCIe 4.0 \/ 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary PCIe\u003c\/td\u003e\n\u003ctd\u003e1 × PCIe 3.0 x16 physical slot, up to x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCIe x1\u003c\/td\u003e\n\u003ctd\u003e2 × PCIe 3.0 x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM.2 Slots\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM.2_1\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0 \/ 3.0 x4 + SATA, up to 22110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM.2_2\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x4, up to 2280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSATA\u003c\/td\u003e\n\u003ctd\u003e6 × SATA 6Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear USB\u003c\/td\u003e\n\u003ctd\u003e1 × USB 3.2 Gen 2 Type-C, 1 × USB 3.2 Gen 2 Type-A, 2 × USB 3.2 Gen 1 Type-A, 4 × USB 2.0 Type-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal USB\u003c\/td\u003e\n\u003ctd\u003e1 × USB 3.2 Gen 1 Type-C, 1 × USB 3.2 Gen 1 header for 2 ports, 2 × USB 2.0 headers for 4 ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLAN\u003c\/td\u003e\n\u003ctd\u003eRealtek RTL8111H Gigabit Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio\u003c\/td\u003e\n\u003ctd\u003eRealtek ALC892 \/ ALC897 7.1-Channel HD Audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Outputs\u003c\/td\u003e\n\u003ctd\u003e1 × HDMI 2.1, 1 × DisplayPort\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBIOS Flash\u003c\/td\u003e\n\u003ctd\u003eFlash BIOS Button\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRGB Headers\u003c\/td\u003e\n\u003ctd\u003e1 × 4-pin RGB + 2 × 3-pin JRAINBOW ARGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossFire\u003c\/td\u003e\n\u003ctd\u003e2-Way AMD CrossFire Support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eShop With Confidence\u003c\/span\u003e\n\u003ch2\u003eWhy Buy From OPCBleu?\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-trust\"\u003e\n\u003cdiv class=\"opc-trust-main\"\u003e\n\u003ch3\u003eA Reliable PRO-Series Foundation for Ryzen AM4.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMSI B550-A PRO\u003c\/strong\u003e combines stable power design, PCIe 4.0, dual M.2 storage, extensive USB connectivity, and practical builder-friendly features.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-trust-list\"\u003e\n\u003cdiv class=\"opc-trust-item\"\u003e\n\u003cb\u003e🚚\u003c\/b\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFast Canadian Shipping\u003c\/strong\u003e\u003cspan\u003eQuick order processing and delivery across Canada.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-trust-item\"\u003e\n\u003cb\u003e🛡️\u003c\/b\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e30-Day Returns\u003c\/strong\u003e\u003cspan\u003eA clear return process for eligible purchases.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-trust-item\"\u003e\n\u003cb\u003e🔒\u003c\/b\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSecure Checkout\u003c\/strong\u003e\u003cspan\u003eProtected payment processing through trusted providers.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-trust-item\"\u003e\n\u003cb\u003e💙\u003c\/b\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eQuebec-Based Store\u003c\/strong\u003e\u003cspan\u003eTechnology enthusiasts serving customers across Canada.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"opc-section\"\u003e\n\u003cdiv class=\"opc-section-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"opc-kicker\"\u003eHelpful Answers\u003c\/span\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"opc-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich processors are compatible with the MSI B550-A PRO?\u003c\/summary\u003e\n\u003cp\u003eMSI lists support for AMD Ryzen 5000 and 3000 Series desktop processors plus Ryzen 4000 G-Series desktop processors. Ryzen 5 3400G and Ryzen 3 3200G are specifically excluded.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the B550-A PRO support PCIe 4.0?\u003c\/summary\u003e\n\u003cp\u003eYes. With a compatible processor, the primary x16 slot and first M.2 slot support PCIe 4.0.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow many M.2 SSDs can be installed?\u003c\/summary\u003e\n\u003cp\u003eTwo M.2 drives can be installed. The first supports PCIe 4.0 \/ 3.0 x4 and SATA, while the second supports PCIe 3.0 x4.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the motherboard have a BIOS FlashBack feature?\u003c\/summary\u003e\n\u003cp\u003eYes. MSI's Flash BIOS Button can update firmware from a USB drive without a CPU, memory, or graphics card installed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much DDR4 memory is supported?\u003c\/summary\u003e\n\u003cp\u003eThe board has four DIMM slots and supports up to 128GB of DDR4 memory with A-XMP overclocking support.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it have 2.5Gb Ethernet?\u003c\/summary\u003e\n\u003cp\u003eNo. The B550-A PRO uses a Realtek RTL8111H Gigabit Ethernet controller.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"opc-footer-note\"\u003ePCIe, memory, storage, and display-output capabilities depend on the installed Ryzen processor and BIOS version. When a PCIe SSD is installed in M.2_2, the PCI_E3 slot becomes unavailable. Always verify current CPU and memory compatibility against MSI's support lists.\u003c\/div\u003e\n\u003c\/main\u003e","brand":"MSI","offers":[{"title":"Default Title","offer_id":47048346534044,"sku":"911-7C56-002","price":229.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/9574\/4412\/files\/msi-b550-a-pro-proseries-amd-am4-atx-motherboard-black-01.webp?v=1786414442","url":"https:\/\/opcbleu.ca\/products\/msi-b550-a-pro-proseries-amd-am4-atx-motherboard-black","provider":"OPCbleu.ca","version":"1.0","type":"link"}