| BASIC INFORMATION | ||
| Supported CPU | AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors | |
| Chipset | AMD B840 Chipset | |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS | |
| Audio | 3 x Audio jacks | |
| Basic Information | ||
| Form Factor | micro-ATX Form Factor 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm) |
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| Expansion Slots | ||
| PCI | AMD Ryzen™ 9000 & 7000 Series Desktop Processors* 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** AMD B840 Chipset 2 x PCIe 3.0 x16 slots (support x1 mode) |
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| M.2 Socket | Total supports 3 x M.2 , (Key M), type 2242/2260/2280 | |
| Memory | ||
| Slots | 4 x DIMM slots | |
| Supported Memory | Supports up to 7600+MT/s (OC) with Ryzen 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC, Un-buffered DIMM | |
| Maximum Memory | Max. 192GB | |
| General | ||
| Type | DDR5 | |
| Graphics | ||
| Graphics | 2 x DisplayPort** 1 x HDMI™ port*** |
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| Connector & Ports | ||
| HDMI | 1x HDMI | |
| Wireless Communication module | Wi-Fi 6E 2x2 Wi-Fi 6E (802.11ax) Supports 2.4/5/6GHz frequency band Bluetooth v5.3 |
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| LAN Port (s) | 1 x Realtek 2.5Gb Ethernet ASUS LANGuard |
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| USB (s) | Rear USB (Total 7 ports) 2 x USB 10Gbps ports (2 x Type-A) 1 x USB 5Gbps port (1 x USB Type-C®) 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 7 ports) 1 x USB 5Gbps connector (supports USB Type-C®) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports * USB Type-C® power delivery output: max. 5V/3A |
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| RAID | AMD RAIDXpert2 Technology Ryzen 9000 Series Processors: RAID 0/1/5/10 Ryzen 8000 Series Processors: RAID 0/1 Ryzen 7000 Series Processors: RAID 0/1/10 |
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| Supported Storage | Total supports 3 x M.2 slots and 4 x SATA 6Gb/s ports AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)* AMD B840 Chipset M.2_3 slot (Key M), type 2280 (supports PCIe 3.0 x4 mode) 4 x SATA 6Gb/s ports * Specifications vary by CPU types. |
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| Internal I/O Ports | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 3 x 4-pin Chassis Fan headers Power Related 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connector Storage Related 3 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 5Gbps connector (supports USB Type-C® ) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x S/PDIF Out header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin Front Panel System header |
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| TPM (Trusted Platform Module ) | 1 x SPI TPM header (14-1 pin) | |
| Others | ||
| Bundled Software | ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 2+ - Power Saving ASUS DriverHub ASUS GlideX TurboV Core ASUS CPU-Z Adobe Creative Cloud (Free Trial) Norton 360 Deluxe (60 Days Free Trial) WinRAR (40 Days Free Trial) UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey |
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| Special Features | ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage protection - SafeSlot Core+ - Stainless-steel back I/O ASUS Q-Design - Q-Antenna - Q-Dashboard - Q-DIMM - Q-LED Core - Q-Slot ASUS Thermal Solution - M.2 heatsink - VRM heatsink design ASUS EZ DIY - BIOS FlashBack button - BIOS FlashBack LED - Pre-mounted I/O shield Aura Sync - Addressable Gen 2 headers |
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| WARRANTY INFORMATION | ||
| Manufacturing Warranty | 3 Years Warranty | |
Asus PRIME B840M-A WIFI-CSM AM5 mATX Motherboard
The Asus PRIME B840M-A WIFI-CSM is a micro-ATX motherboard designed for AMD's AM5 socket. It is a feature-rich board tailored for mainstream computing, offering support for the latest Ryzen processors and modern technologies. Here are the key details and specifications:
Key Features
Chipset: AMD B840 chipset, designed for robust performance and connectivity.
Socket: AM5, supporting AMD Ryzen 7000 Series processors.
Form Factor: Micro-ATX (mATX), compact yet powerful, ideal for smaller PC builds.
Specifications
Memory
Supports DDR5 RAM.
Up to 128GB across 4 DIMM slots.
Memory overclocking support (frequencies vary by CPU and configuration).
Storage
M.2 Slots: Dual PCIe 5.0/4.0 M.2 slots for high-speed NVMe SSDs.
SATA Ports: 4x SATA 6Gbps ports for traditional storage drives.
Graphics
Integrated graphics support dependent on the processor (Ryzen APUs with Radeon Graphics).
Display Outputs:
1 x HDMI port.
1 x DisplayPort.
Supports 4K resolutions.
Expansion Slots
PCIe Slots:
1 x PCIe 5.0 x16 slot for GPUs or other cards.
1 x PCIe 4.0 x1 slot for additional expansion cards.
Networking
Wi-Fi 6 (802.11ax) integrated for fast and stable wireless connectivity.
Bluetooth 5.2 for peripheral connections.
Gigabit Ethernet port for wired networking.
Audio
Realtek ALC897 Codec: Delivers high-definition audio with multiple audio jacks.
USB Ports
Rear I/O:
USB 3.2 Gen 2 (Type-A and Type-C).
USB 3.2 Gen 1 ports.
USB 2.0 ports.
Internal:
Headers for additional USB connections.
Cooling
Multiple fan headers with PWM/DC support.
Optimized cooling for stable operation under heavy loads.
BIOS and Management
ASUS CSM (Corporate Stable Model) program for enhanced reliability in business environments.
UEFI BIOS with an intuitive interface for overclocking and system configuration.
Other Features
Aura Sync RGB: Basic lighting control for a customizable build.
5X Protection III: Hardware safeguards for durability.
EZ DIY features: Simplified installation and troubleshooting.
Pros
Supports the latest AM5 CPUs and DDR5 RAM.
Compact mATX form factor with comprehensive connectivity.
Integrated Wi-Fi 6 and Bluetooth 5.2.
Good storage options with PCIe 5.0 support for high-speed drives.
Cons
Limited PCIe expansion slots due to mATX design.
Entry-level audio codec compared to high-end models.
Fewer USB ports compared to premium boards.
Get specific details about this product from customers who own it.
