ASUS PRIME B840M-A-CSM AMD B840 Socket AM5 micro ATX

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

Graphics
Maximum resolution: 7680 x 4320 pixels
Parallel processing technology support: Not supported

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

Memory
Number of memory slots: 4
Memory slots type: DIMM
Memory channels: Dual-channel
Supported memory clock speed (max): 7600 MHz
Unbuffered memory: Yes
Supported memory types: DDR5-SDRAM
Maximum internal memory: 192 GB
ECC сompatibility: ECC & Non-ECC

Weight & dimensions
Width: 244 mm
Depth: 244 mm

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

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

BIOS
BIOS type: UEFI AMI

Packaging data
Package depth: 275 mm
Package height: 67.5 mm
Package weight: 1.45 kg
Package width: 275 mm

Packaging content
Screws included: Yes
Cables included: SATA

Storage controllers
RAID levels: 0, 10, 5, 1
Number of HDDs supported: 4
Number of storage drives supported: 7
RAID support: Yes
Supported storage drive interfaces: M.2, SATA III
Supported storage drive types: HDD & SSD

Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity: 1
DisplayPorts quantity: 1
HDMI ports quantity: 1
Headphone outputs: 1
HDMI version: 2.1
DisplayPort version: 1.4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 2
Line-in: Yes
Ethernet LAN (RJ-45) ports: 1
USB 2.0 ports quantity: 4

Expansion slots
PCI Express x16 (Gen 4.x) slots: 1
PCI Express x16 (Gen 3.x) slots: 2
Number of M.2 (M) slots: 3
2nd M.2 highest PCI Express generation: 4.0
1st M.2 highest PCI Express generation: 4.0
3rd M.2 highest PCI Express generation: 3.0
2nd M.2 largest key size: 2280
1st M.2 largest key size: 2280
3rd M.2 largest key size: 2280

Other features
Weight: 910 g
Quick installation guide: Yes

Safety warning
Warnings: Do not disassemble to avoid damage to internal components and loss of warranty.