| Hãng sản xuất | ASUS | 
| Loại sản phẩm | Bo mạch chủ (Mainboard) | 
| Model | PRIME B840M-A WIFI-CSM | 
| CPU hỗ trợ | AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors** Refer to https://www.asus.com/support/download-center/ for CPU support list.
 | 
| Chipset | AMD B840 Chipset | 
| RAM hỗ trợ | 4 x DIMM slots, max. 192GB, DDR5Supports up to 7600+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC, Un-buffered DIMM*
 Dual channel memory architecture
 Supports AMD Extended Profiles for Overclocking (EXPO™)
 ASUS Enhanced Memory Profile (AEMP)
 * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.
 * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
 | 
| Cổng xuất hình | 2 x DisplayPort**1 x HDMI™ port***
 * Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
 ** Supports max. 8K@30Hz as specified in DisplayPort 1.4.
 *** Supports 4K@60Hz as specified in HDMI 2.1.
 | 
| Khe cắm mở rộng | 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)
 * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
 ** Specifications vary by CPU types.
 - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.
 | 
| Lưu trữ | Total supports 3 x M.2 slots and 4 x SATA 6Gb/s portsAMD 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.
 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
 | 
| LAN | 1 x Realtek 2.5Gb EthernetTUF LANGuard
 | 
| Kết nối không dây | Wi-Fi 6E2x2 Wi-Fi 6E (802.11ax)
 Supports 2.4/5/6GHz frequency band*
 Bluetooth® v5.3**
 * WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later.
 ** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.
 | 
| USB | 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
 | 
| Âm thanh | Realtek 7.1 Surround Sound High Definition Audio CODEC*- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
 - Supports up to 24-Bit/192 kHz playback
 Audio Features
 - Audio Shielding
 - Premium audio capacitors
 - Dedicated audio PCB layers
 * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
 | 
| Cổng kết nối I/O phía sau | 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)
 2 x DisplayPort
 1 x HDMI™ port
 1 x Wi-Fi module
 1 x Realtek 2.5Gb Ethernet port
 3 x Audio jacks
 1 x BIOS FlashBack™ button
 | 
| Cổng kết nối I/O bên trong | Fan and Cooling Related1 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
 | 
| Tính năng đặc biệt | 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
 | 
| Tính năng phần mềm | ASUS Exclusive SoftwareArmoury Crate
 - Aura Creator
 - Aura Sync
 - Fan Xpert 2+
 - Power Saving
 ASUS DriverHub
 ASUS GlideX
 TurboV Core
 ASUS CPU-Z
 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
 | 
| Tính năng quản lý từ xa (Chỉ có trên dòng CSM) | IT Management software supported- ASUS Control Center Express (ACCE)
 | 
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS | 
| Khả năng quản lý | WOL by PME, PXE | 
| Phụ kiện | Cables2 x SATA 6Gb/s cables
 Miscellaneous
 1 x ASUS WiFi Q-Antenna
 1 x M.2 rubber package
 2 x Screw packages for M.2 SSD
 Documentation
 1 x ACC Express Activation Key Card
 1 x Quick start guide
 | 
| Hệ thống | Windows 11, Windows 10 64-bit | 
| Kích cỡ | micro-ATX Form Factor9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)
 | 
 
Hỏi đáp về Mainboard ASUS PRIME B840M-A WIFI-CSM (AM5, 4x DDR5, Displayport, HDMI, M.2 PCIe 4.0, WiFi 6E, m-ATX)