ASUS PRIME B840M-K AMD B840 Socket AM5 micro ATX

About this product

B840M-K
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

Specifications

• Processor manufacturer: AMD
• Processor socket: Socket AM5
• Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
• Supported processor sockets: Socket AM5
• Supported memory types: DDR5-SDRAM
• Number of memory slots: 2
• Memory slots type: DIMM
• Memory channels: Dual-channel
• ECC сompatibility: ECC & Non-ECC
• Maximum internal memory: 128 GB
• Unbuffered memory: Yes
• Supported storage drive types: HDD & SSD
• Supported storage drive interfaces: M.2, SATA III
• Number of HDDs supported: 4
• Number of storage drives supported: 6
• RAID support: Yes
• RAID levels: 0, 1, 5, 10
• Parallel processing technology support: Not supported
• USB 2.0 connectors: 2
• USB 3.2 Gen 1 (3.1 Gen 1) connectors: 2
• Number of SATA III connectors: 4
• S/PDIF out connector: Yes
• Front panel audio connector: Yes
• Front panel connector: Yes
• ATX Power connector (24-pin): Yes
• CPU fan connector: Yes
• Number of chassis fan connectors: 3
• EPS power connector (8-pin): Yes
• Number of COM connectors: 1
• TPM connector: Yes
• 12V power connector: Yes
• RGB LED pin header: Yes
• Number of RGB LED pin headers: 3
• USB 2.0 ports quantity: 2
• USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
• Ethernet LAN (RJ-45) ports: 1
• HDMI ports quantity: 1
• Ethernet LAN: Yes
• Ethernet interface type: 2.5 Gigabit Ethernet
• Wi-Fi: No
• Top Wi-Fi standard: Not available
• Motherboard chipset: AMD B840
• Audio output channels: 7.1 channels
• Product colour: Black
• Component for: PC
• Motherboard form factor: micro ATX
• Motherboard chipset family: AMD
• Windows operating systems supported: Windows 10 x64, Windows 11
• PCI Express x16 (Gen 3.x) slots: 1
• PCI Express x16 (Gen 4.x) slots: 1
• Number of M.2 (M) slots: 2
• BIOS type: UEFI AMI
• BIOS memory size: 256 Mbit
• Package width: 270 mm
• Package depth: 263 mm
• Package height: 51.5 mm
• Package weight: 1.02 kg
• Width: 244 mm
• Depth: 221 mm
• Cables included: SATA

Database Right data-sheet 2026 Icecat. All rights reserved. Provided as is, without warranty of any kind.