ASUS PRIME B850M-A-CSM AMD B850 Socket AM5 micro ATX90MB1LQ0-M0EAYC

AMD Socket AM5 AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. PC micro ATX AMD B850 7.1 channels. DDR5-SDRAM 4 DIMM Maximum internal memory: 256 GB. HDD & SSD PCI Express 4.0, PCI Express 5.0 RAID support Number of storage drives supported: 7. BIOS type: UEFI AMI 256 Mbit. 2.5 Gigabit Ethernet. ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-A-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.. ASUS Corporate Stable Model. ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.. ASUS Control Center Express. ASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.. Optimize IT endpoint management. Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely.. Automate IT maintenance. Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility.. Securely manage all of endpoints. Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices.. Performance. AI Solutions. ASUS AI Solutions include AI Advisor as your technical expert with expertise in PC performance.. AI Advisor. ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.. Performance. Digital Power Design. PRIME B850M-A-CSM features an 8+2+1 phase power design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors plus steady performance for day-to-day use.. The multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom.. The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings.. Enhanced Memory & Storage Performance. Enhanced DDR5 performance. Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B850M-A-CSM maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.2. For entry-level modules without EXPO™ support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance.. For those looking to surpass stock DDR5 speeds, the PRIME B850M-A-CSM offers extensive AMD Extended Profiles for Overclocking (EXPO™) support and a wide array of UEFI settings for further performance tweaks.. Three M.2 slots (up to 128 Gbps). PRIME B850M-A-CSM offers a total of three M.2 slots, including one that supports data-transfer speeds of up to 128 Gbps via PCIe 5.0, and two that support PCIe 4.0. This enables quicker boot-up and app load times with OS or application drives.. Cooling. Cooler by design. The PRIME B850M-A-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.. Smart Cooling precision. ASUS Fan Xpert 2+. ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.. Cooler compatibility. ASUS AIO coolers offer robust performance, high overclocking potential, bold aesthetics and customizable functionality for new motherboards, empowering you to build your dream gaming rig.. Flexibility. Empowering connections. This motherboard offers a versatile range of connectivity, including support for PCIe 5.0 slot and an arsenal of USB ports which includes Type-C® connections.. Realtek 2.5 Gb Ethernet. Realtek 2.5 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers.. Front USB 5Gbps Type-C®. This motherboard features a USB 5Gbps Type-C® front panel connector for speedy data transfers of up to 5Gbps.. Customization. Personalization. The PRIME B850M-A-CSM enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.. UEFI BIOS. The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.. ASUS DriverHub. Simplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance.. Armoury Crate. Customize Aura Sync RGB and control ASUS devices. Includes product registration and updates.. Aura Sync. Complete RGB lighting control for enthusiast systems, ensuring seamless synchronization with compatible hardware.. Addressable Gen 2 RGB headers. Three addressable Gen 2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.. Customization. DIY friendly. The PRIME B850M-A-CSM motherboard features EZ PC DIY innovations that simplify and speed up the PC building process, making DIY easy and convenient.. Pre-mounted I/O shield. Our pre-installed I/O shield safeguards ports, simplifies the build process, increases functionality and enhances aesthetics for PC DIY enthusiasts.. BIOS FlashBack™. BIOS FlashBack™ simplifies BIOS updates. Just load the BIOS file onto a FAT32 USB stick, insert it into the BIOS FlashBack™ port, and press a button—no CPU or memory needed.. SafeSlot. PCIe 5.0 is twice as fast as PCIe 4.0. ASUS has adapted our SMT manufacturing for the faster SafeSlot, a reinforced metal sheath that ensures secure card installation and faster data speeds.. Q-LED Core. The Q-LED Core display produces color-coded lights during the Power-On Self-Test (POST) that can help you troubleshoot potential issues.. Build for the most advanced pc for gaming and creating. When only the fastest will do, ASUS motherboards deliver. With faster dual-channel DDR5 memory support, AMD EXPO™ technology and PCIe® 5.0 support for both graphics and NVMe, you can play the most demanding games and deliver your biggest projects with the revolutionary performance of an ASUS motherboard and AMD Ryzen™ 9000, 8000, and 7000 Series processors.. Processor. Supported processor sockets. Socket AM5. Compatible processor series. AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Processor socket. Socket AM5. Processor manufacturer. AMD. Memory. Maximum internal memory per slot. 64 GB. Unbuffered memory. Yes. Maximum internal memory. 256 GB. Supported memory clock speed (max). 8000 MHz. ECC сompatibility. ECC & Non-ECC. Memory channels. Dual-channel. Memory slots type. DIMM. Number of memory slots. 4. Supported memory types. DDR5-SDRAM. Storage controllers. RAID levels. 0, 1, 5, 10. RAID support. Yes. Number of storage drives supported. 7. Number of HDDs supported. 4. Supported storage drive interfaces. PCI Express 4.0, PCI Express 5.0. Supported storage drive types. HDD & SSD. Graphics. Maximum resolution. 7680 x 4320 pixels. Parallel processing technology support. Not supported. Internal I/O. Number of RGB LED pin headers. 3. RGB LED pin header. Yes. Number of COM connectors. 1. TPM connector. Yes. 12V power connector. Yes. Number of EPS power connectors (8-pin). 1. EPS power connector (8-pin). Yes. Peripheral (Molex) power connectors (4-pin). 1. Chassis intrusion connector. Yes. Number of chassis fan connectors. 3. Number of CPU fan connectors. 1. CPU fan connector. Yes. ATX Power connector (24-pin). Yes. Front panel connector. Yes. Front panel audio connector. Yes. S/PDIF out connector. Yes. Number of SATA III connectors. 4. USB 3.2 Gen 1 (3.1 Gen 1) connectors. 2. USB 2.0 connectors. 2. Rear panel I/O ports. Microphone in. Yes. Headphone outputs. 1. Line-in. Yes. DisplayPort version. 1.4. DisplayPorts quantity. 2. HDMI version. 2.1. HDMI ports quantity. 1. Ethernet LAN (RJ-45) ports. 1. USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity. 2. USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity. 2. USB 2.0 ports quantity. 4. Network. Wi-Fi. No. Ethernet interface type. 2.5 Gigabit Ethernet. Ethernet LAN. Yes. Features. Windows operating systems supported. Windows 10 x64, Windows 11. Cooling type. Passive. Power source type. ATX. Product colour. Grey. Audio output channels. 7.1 channels. Motherboard chipset. AMD B850. Motherboard chipset family. AMD. Motherboard form factor. micro ATX. Component for. PC. Expansion slots. 4th M.2 highest PCI Express generation. 4.0. 4th M.2 largest key size. 2280. 3rd M.2 highest PCI Express generation. 4.0. 3rd M.2 largest key size. 2280. 2nd M.2 highest PCI Express generation. 4.0. 2nd M.2 largest key size. 2280. 1st M.2 highest PCI Express generation. 5.0. 1st M.2 largest key size. 2280. Number of M.2 (M) slots. 3. PCI Express x16 (Gen 5.x) slots. 1. PCI Express x16 (Gen 4.x) slots. 2. BIOS. BIOS memory size. 256 Mbit. BIOS type. UEFI AMI. Packaging data. Package weight. 1.45 kg. Package height. 67.5 mm. Package depth. 275 mm. Package width. 275 mm. Weight & dimensions. Depth. 244 mm. Width. 244 mm. Packaging content. Screws included. Yes. Cables included. SATA. manual pdf. manual pdf