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Asus PRIME B840M-A Motherboard PC base #####AMD AM5 Form factor (details) Micro-ATX Motherboard chipset AMD® B840
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Asus PRIME B840M-A Motherboard
Highlights & Details
- AMD socket AM5 AMD Ryzen 7000 series, AMD Ryzen 8000 series, AMD Ryzen 9000 series
- PC micro ATX AMD B840 7.1 channels
- DDR5 SDRAM 4 DIMM RAM maximum: 192 GB
- HDD & SSD M.2, SATA III RAID support Number of supported storage drives: 7
- UEFI AMI 256 Mbit BIOS type
- 2.5 Gigabit Ethernet WLAN Wi-Fi 6E (802.11ax) Bluetooth 5.3
Technical specifications
- Socket AM5
- Supported processor slots: Socket AM5
- C-Ko compatibility: ECC and non-ECC
- WLAN standards Wi-Fi 6E (802.11ax)
- AMD B840 motherboard chipset
- Motherboard form factor: Micro ATX
- 1. M.2 Largest key size: 2280
- 1. M.2 highest PCI Express generation: 4.0
- 2. M.2 Largest key size: 2280
- 2. M.2 highest PCI Express generation: 4.0
- 3. M.2 Largest key size: 2280
- 3. M.2 highest PCI Express generation: 3.0
- Product type
Motherboard
- Chipset
AMD® B840
#####AMD AM5
- Form factor
Micro-ATX
- RAM type
DDR5 RAM
- RAM / Max. upgrade
192 GB
- Interfaces
HDMI™
DisplayPort
USB A (USB 2.0)
- No. of PCIe 3.0 x16
2 x
- No. of PCIe 3.0 x16
1 x
- No. of USB 2.0 ports
2 x
- No. of SATA III ports
4 x
- Bluetooth
5.3
- Bluetooth
Yes
- Depth
244 mm
- Height
100 mm
- Width
244 mm
- No. of DisplayPort
2 x
- No. of HDMI ports
1 x
- No of. USB type A 3.1 /3.2 2nd gen
2 x
- 10/100/1000 Mbps ports
1 x
- Range of use
PC
- Weight
5
- Wi-Fi
Yes
- UKCA
yes
- BIOS memory size
256 Mbit
- Screws included
yes
- Ethernet LAN
yes
- Antenna included
yes
- Number of memory slots
4
- Number of M.2 (M) slots
3
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
1
- USB 2.0 ports quantity
4
- Front panel connector
yes
- 12V power connector
yes
- S/PDIF out connector
yes
- CPU fan connector
yes
- ATX Power connector (24-pin)
yes
- Front panel audio connector
yes
- Number of HDDs supported
4
- WiFi-AP antenna jack
1
- TPM connector
yes
- RAID support
yes
- Package weight
1.52 kg
- USB 3.2 Gen 1 (3.1 Gen 1) connectors
2
- Unbuffered memory
yes
- Number of storage drives supported
7
Documents & Downloads
User & Safety Instructions
User & Safety Instructions 3369671 Asus PRIME B840M-A Motherboard PC base #####AMD AM5 Form factor (details) Micro-ATX Motherboard chipset AMD® B840
Description
B840M-A WI-FI
The ASUS Prime series boards have been developed by experts to unleash the full potential of the AMD Ryzen™ 9000 series processors. The PRIME B840M-A WiFi motherboard offers users and PC-DIY builders a range of performance enhancements through intuitive software and firmware features. It was developed as "Advance d AI PC-ready" and offers the necessary power and connectivity for demanding AI-applications.
This text is machine translated.
Features
- Ready for advanced AI PCs: Designed for the future of AI computing, with the power and connectivity required for demanding AI applications
- AMD AM5 Socket: Ready for AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series desktop processors
- Improved power supply solution: 6-layer PCBs, alloyed reactors and durable capacitors for a stable power supply
- Ultra-fast connectivity: Wi-Fi 6E, PCIe 4.0 x16 slot, PCIe 4.0 M.2 slots, Realtek 2.5Gb Ethernet, Rear USB 10Gbps Type-A ports, Rear and Front USB 5Gbps Type-C® support
- Comprehensive cooling: VRM and M.2 heat sink, PCH heat sink, hybrid fan header and fan Xpert 2+
- DIY-friendly design: Pre-mounted I/O shield, BIOS Flashback™, M.2 heat sink, Q antenna, Q dashboard, Q-LED Core
- Unmatched personalization: Three addressable Gen 2 headers, all configurable with ASUS exclusive Aura Sync GB lighting
- Famous software: Armoury Crate, ASUS DriverHub, ASUS GlideX, ASUS MyHotkey