{"product_id":"asrock-b850m-pro-rs-am5-micro-atx-motherboard-ddr5-pcie-5-0","title":"ASRock B850M Pro RS AM5 Micro-ATX Motherboard DDR5 PCIe 5.0","description":"\u003cp\u003eThe ASRock B850M Pro RS AM5 Micro-ATX Motherboard DDR5 PCIe 5.0 is a Micro-ATX platform built for AMD AM5 desktop builders who want a stable, efficient foundation for Ryzen 7000, 8000 and 9000 series processors without unnecessary complexity. It combines an 8+2+1 phase power design with a 6-layer PCB to support DDR5 memory overclocking up to 8000+ MT\/s, and includes a PCIe 5.0 primary slot alongside three M.2 slots for flexible, fast storage.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAMD AM5 Ready for Three Processor Generations\u003c\/strong\u003e — It supports Ryzen 7000, 8000 and 9000 series processors in the AM5 socket, giving builders flexibility across current and recent AMD platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCIe 5.0 Slot and Gen5 M.2 Storage\u003c\/strong\u003e — The primary x16 slot runs at PCIe 5.0, and the dedicated Blazing M.2 slot operates at PCIe Gen5 x4, supporting the fastest consumer SSDs currently available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDDR5 OC up to 8000+ MT\/s with XMP and EXPO\u003c\/strong\u003e — Four DDR5 DIMM slots support dual-channel operation up to 256 GB total, with pre-tested XMP and EXPO profiles for straightforward memory overclocking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8+2+1 Phase Dr.MOS Power for CPU Stability\u003c\/strong\u003e — The Dr.MOS power stages cover VCore, SOC and MISC rails across an 8+2+1 phase arrangement, designed to maintain stable delivery under sustained CPU loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-Layer PCB for Signal and Thermal Efficiency\u003c\/strong\u003e — The 6-layer PCB is intended to reduce signal interference and lower temperatures, which is particularly relevant when running memory at elevated frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBIOS Flashback for Hassle-Free Firmware Updates\u003c\/strong\u003e — BIOS Flashback lets you update firmware without a compatible CPU or memory installed, which is useful when preparing a board for a new processor generation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eAt a Glance\u003c\/h5\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eSocket\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eAMD AM5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eChipset\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eAMD B850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eMicro-ATX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eMemory Support\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eDDR5, up to 256 GB, 8000+ MT\/s (OC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePrimary PCIe Slot\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePCIe 5.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eM.2 Slots\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e3 (1× PCIe Gen5 x4, 2× PCIe Gen4 x4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eLAN\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e2.5 Gigabit (Realtek Dragon RTL8125BG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eUSB Rear\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1× USB 3.2 Gen2 Type-C, 1× USB 3.2 Gen2 Type-A, 2× USB 3.2 Gen1, 4× USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch5\u003eCompatibility\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✓ Compatible with AMD AM5 Ryzen 9000, 8000 and 7000 series desktop processors.\u003c\/li\u003e\n\u003cli\u003e✓ Fits standard Micro-ATX cases and full-ATX cases that accept Micro-ATX boards.\u003c\/li\u003e\n\u003cli\u003e✓ Accepts DDR5 ECC and non-ECC unbuffered DIMMs; does not support DDR4.\u003c\/li\u003e\n\u003cli\u003e✓ Integrated display outputs (HDMI 2.1 and DisplayPort 1.4) work only with CPUs that include integrated AMD RDNA graphics — verify your chosen CPU before relying on these ports.\u003c\/li\u003e\n\u003cli\u003eNote: Wi-Fi is not built in; the board includes an M.2 Key E slot (type 2230) for an optional PCIe Wi-Fi\/Bluetooth module, sold separately.\u003c\/li\u003e\n\u003cli\u003e✗ Not compatible with AMD AM4 processors or any Intel platform.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eBest For \/ Trade-offs\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAMD AM5 first-time builders\u003c\/b\u003e who want a straightforward Micro-ATX layout with sensible defaults and pre-tested memory profiles rather than manual tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact desktop builds\u003c\/b\u003e that need the smaller Micro-ATX footprint but still require PCIe 5.0 GPU bandwidth and fast Gen5 M.2 storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMemory overclockers\u003c\/b\u003e who want to run XMP or EXPO profiles up to 8000+ MT\/s on a board designed with a 6-layer PCB for signal stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWired-network users\u003c\/b\u003e who benefit from the included 2.5G LAN without needing to add a separate network card.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFuture upgraders\u003c\/b\u003e who plan to move across Ryzen generations without changing their platform, given AM5 support across three processor series.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTrade-offs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWireless-first builds:\u003c\/b\u003e Wi-Fi and Bluetooth are not included on-board and require purchasing a separate M.2 Key E module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFull-ATX builds with many expansion cards:\u003c\/b\u003e only two PCIe slots are present — one x16 and one x4 — leaving no room for multiple discrete add-in cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-end enthusiast overclocking:\u003c\/b\u003e the B850 chipset and 8+2+1 power design are positioned for stable daily use rather than extreme all-core voltage push on flagship Ryzen CPUs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuilders carrying over DDR4 memory:\u003c\/b\u003e the board supports DDR5 only; existing DDR4 kits cannot be reused.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003eModern and futuristic, with the attractive specifications and perfect balance, the Race Sport (RS) Edition is the evolution of the most popular PRO series motherboard.\u003c\/p\u003e\u003cp\u003eOptimized for stability, durability, and efficiency. It combines reliable performance, user-friendly features and streamlined style for daily computing tasks.\u003c\/p\u003e\u003cp\u003eThe 6 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus, it's able to support the latest memory modules with most extreme memory performance!\u003c\/p\u003e\u003cp\u003eDerived from the \"built for stable and reliable\" designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles.\u003c\/p\u003e\u003ch5\u003eSpecifications\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eASRock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eB850M Pro RS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eMicro-ATX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eChipset\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eAMD B850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCPU Socket\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eAMD AM5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCPU Support\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eRyzen 9000, 8000 and 7000 series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePCB Layers\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eI\/O Shield\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePre-installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eMemory \u0026amp; Storage\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eMemory Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eDDR5 (ECC and non-ECC, unbuffered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eDIMM Slots\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e4 (Dual Channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eMax Memory\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e256 GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eMax Memory Speed (OC)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e8000+ MT\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eOC Profiles\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eXMP and EXPO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eM.2 Slot 1 (Blazing)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePCIe Gen5 x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eM.2 Slots 2–3 (Hyper)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePCIe Gen4 x4 (×2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eSATA Ports\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e4 × SATA3 6.0 Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eM.2 Bottom Heatsink\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePCIe Slot 1\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePCIe 5.0 x16 (x16 mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePCIe Slot 2\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePCIe 4.0 x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eWi-Fi\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eNot built-in; M.2 Key E slot (type 2230) for optional module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eLAN\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e2.5G (10\/100\/1000\/2500 Mb\/s), Dragon RTL8125BG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eUSB Rear\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1× USB 3.2 Gen2 Type-C, 1× USB 3.2 Gen2 Type-A, 2× USB 3.2 Gen1, 4× USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eUSB Front Headers\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1× USB 3.2 Gen1 Type-C, 4× USB 3.2 Gen1, 4× USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eVideo Out\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1× HDMI 2.1 (up to 4K 120Hz), 1× DisplayPort 1.4 with DSC (up to 4K 120Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eAudio\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e7.1 CH HD Audio, Realtek ALC897, Nahimic Audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePower \u0026amp; Features\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePower Design\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e8+2+1 Phase, Dr.MOS (VCore+SOC+MISC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eBIOS Flashback\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eHDCP\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e2.3 (HDMI and DisplayPort)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eHDR\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eSupported (HDMI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"ASRock","offers":[{"title":"Default Title","offer_id":55678786896248,"sku":"ASR-1845","price":135.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/ASR-1845-1.png?v=1790508612","url":"https:\/\/tech-syndicate.co.uk\/products\/asrock-b850m-pro-rs-am5-micro-atx-motherboard-ddr5-pcie-5-0","provider":"Tech Syndicate","version":"1.0","type":"link"}