Mainboard PRIME B840M-A WIFI-CSM

Thương hiệu

ASUS

CPU

• AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
• Supports up to AMD 170W CPU
• * Refer to https://www.asus.com/support/download-center/ for CPU support list.

Chipset

AMD B840 Chipset

Memory

• 4 x DIMM slots, max. 256GB, DDR5
• Supports 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.

Graphics

• 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.

Expansion Slots

• 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.

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.
• 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

Ethernet

• 1 x Realtek 2.5Gb Ethernet
• ASUS LANGuard

Wireless & Bluetooth

• Wi-Fi 6E
• 2x2 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

Audio

• 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.

Back Panel I/O 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)
• 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

Internal I/O Connectors

• 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

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

Software Features

• ASUS Exclusive Software
• Armoury 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

Remote Management Features

• IT Management software supported
• - ASUS Control Center Express (ACCE)

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PME, PXE

Accessories

• Cables
• 2 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

Operating System

Windows 11, Windows 10 64-bit

Form Factor

• micro-ATX Form Factor
• 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)

News & Updates

• Socket AM5,
• Please visit our GLOBAL website to check and download the latest updates.