ASUS PRIME B840M-K AMD B840 Socket AM5 micro ATX

Processor
Supported processor sockets: Socket AM5
Processor manufacturer: AMD
Compatible processor series: AMD Ryzen 9000 Series, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series
Processor socket: Socket AM5

Graphics
Parallel processing technology support: Not supported

Features
Audio output channels: 7.1 channels
Motherboard form factor: micro ATX
Motherboard chipset family: AMD
Product colour: Black
Motherboard chipset: AMD B840
Windows operating systems supported: Windows 10 x64, Windows 11

Memory
Maximum internal memory: 128 GB
ECC сompatibility: ECC & Non-ECC
Unbuffered memory: Yes
Supported memory types: DDR5-SDRAM
Number of memory slots: 2
Memory slots type: DIMM
Memory channels: Dual-channel

Weight & dimensions
Width: 244 mm
Depth: 221 mm

Network
Ethernet LAN: Yes
Ethernet interface type: 2.5 Gigabit Ethernet
Wi-Fi: No

Internal I/O
Number of SATA III connectors: 4
EPS power connector (8-pin): Yes
Front panel audio connector: Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 2
Number of chassis fan connectors: 3
Number of RGB LED pin headers: 3
USB 2.0 connectors: 2
CPU fan connector: Yes
S/PDIF out connector: Yes
ATX Power connector (24-pin): Yes
TPM connector: Yes
Front panel connector: Yes
12V power connector: Yes
Number of COM connectors: 1
RGB LED pin header: Yes

BIOS
BIOS type: UEFI AMI

Packaging data
Package weight: 1.02 kg
Package height: 51.5 mm
Package depth: 263 mm
Package width: 270 mm

Packaging content
Cables included: SATA
Screws included: Yes

Storage controllers
RAID levels: 0, 10, 5, 1
RAID support: Yes
Supported storage drive interfaces: M.2, SATA III
Supported storage drive types: HDD & SSD
Number of HDDs supported: 4
Number of storage drives supported: 6

Rear panel I/O ports
Ethernet LAN (RJ-45) ports: 1
USB 2.0 ports quantity: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
HDMI ports quantity: 1

Expansion slots
PCI Express x16 (Gen 3.x) slots: 1
Number of M.2 (M) slots: 2
PCI Express x16 (Gen 4.x) slots: 1