ASUS ASUS PRIME B840M-A WIFI-CSM Socket AM5対応 AMD B840 チップセット搭載micro-ATX マザーボード(国内正規品) PRIME B840M-A WIFI-CSM 返品種別B

---

---

2025年01月 発売


◆堅牢な電源ソリューション: ProCool II 電源コネクタ、8+2+1電源ソリューション、6層PCB
◆最適化された熱設計：拡大されたVRMとPCHヒートシンク、ヒートシンク付きM.2スロット × 1、Fan Xpert 4
◆豊富な接続性：1 × M.2 Gen4、1× USB 10Gbps Type-Cリア、1× USB 5Gbps Type-Cフロントパネル、PCIe 4.0 x16 SafeSlot、USB 4.0ヘッダー
◆高性能ネットワーク：Intel Ethernet 2.5G ＆ 10G、WiFi 6E
◆DIY フレンドリー：Q-Antenna Q-LED、BIOS FlashBack、一体式IO、Q-Dashboard
◆ASUS Control Center Express：強化されたデータ保護のためのリアルタイム IT 監視および管理ソフトウェア

■　仕　様　■

• 対応CPU：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.
• 搭載チップセット：AMD B840 Chipset
• メインメモリー：
  4 x DIMM slots max. 192GB DDR5
  Support 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.
• グラフィックス機能：
  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.
• 拡張スロット：
  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.
• ストレージ機能：
  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
• Wi-Fi：Wi-Fi 6E
  2x2 Wi-Fi 6E (802.11ax)
  Supports 2.4/5/6GHz frequency band
  WiFi 6E 6GHz regulatory may vary between countries supported only in Windows 11 or later.
• Bluetooth：Bluetooth v5.3
  The Bluetooth version may vary please refer to the Wi-Fi module manufacturer's website for the latest specifications.
• USB機能：
  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
• オーディオ機能：
  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.
• 背面インターフェース：
  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
• 特別な機能：
  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
  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
• BIOS機能：256 Mb Flash ROM UEFI AMI BIOS
• 主な付属品：
  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 Quick start guide
• OS：Windows 11 Windows 10 64-bit
• フォームファクター(サイズW×D)：micro-ATX Form Factor
  9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)
• 寸法：244mm244mm50mm
• Color Box (mm)：275mm275mm67.5mm
• 製品重量：0.93kg
• 製品重量(梱包あり)(KG)：1.52kg
• Manageability：WOL by PME PXE