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Useful accessories for ASUS PRIME B840M-A-CSM AM5 B840/HDMI-DP-VGA/2xM.2/µATX

Processor
Processor manufacturer AMD
Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor socket Socket AM5
Supported processor sockets Socket AM5
Memory
Memory slots type DIMM
Maximum internal memory 192 GB
Number of memory slots 4
Supported memory clock speed (max) 7600 MHz
ECC сompatibility ECC & Non-ECC
Supported memory types DDR5-SDRAM
Memory channels Dual-channel
Unbuffered memory Yes
Network
Ethernet LAN Yes
Wi-Fi No
Ethernet interface 2.5 Gigabit Ethernet
Technical details
Vendor Asustek
Packaging content
Screws included Yes
Cables included SATA
Expansion slots
PCI Express x16 (Gen 3.x) slots 2
Number of M.2 (M) slots 3
PCI Express x16 (Gen 4.x) slots 1
1st M.2 largest key size 2280
2nd M.2 largest key size 2280
3rd M.2 largest key size 2280
1st M.2 highest PCI Express generation 4.0
2nd M.2 highest PCI Express generation 4.0
3rd M.2 highest PCI Express generation 3.0
BIOS
BIOS memory size 256 Mbit
BIOS type UEFI AMI
Weight & dimensions
Width 244 mm
Depth 244 mm
Other features
Quick installation guide Yes
Weight 910 g
Graphics
Maximum resolution 7680 x 4320 pixels
Parallel processing technology support Not supported
Features
Motherboard form factor micro ATX
Product colour Grey
Audio output channels 7.1 channels
Motherboard chipset AMD B840
Windows operating systems supported Windows 10 x64, Windows 11
Power source type ATX
Motherboard chipset family AMD
Component for PC
Internal I/O
USB 3.2 Gen 2 (3.1 Gen 2) connectors 0
Front panel connector Yes
USB 2.0 connectors 2
S (B 3.2 Gen 2 (3.1 Gen 2) connectors - B 2.0 connectors - PDIF out connector - mber of EPS power connectors (8-pin) - S power connector (8-pin) - B 3.2 Gen 1 (3.1 Gen 1) connectors - mber of SATA III connectors) 0 - 2 - Yes - 1 - Yes - 2 - 4
CPU fan connector Yes
Number of COM connectors 1
ATX Power connector (24-pin) Yes
Number of chassis fan connectors 2
Front panel audio connector Yes
TPM connector Yes
RGB LED pin header Yes
Number of RGB LED pin headers 3
Number of CPU fan connectors 2
Number of EPS power connectors (8-pin) 1
EPS power connector (8-pin) Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors 2
Number of SATA III connectors 4
Rear panel I/O ports
DisplayPort version 1.4
Line-in Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 0
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 0
USB 2.0 ports quantity 4
Ethernet LAN (RJ-45) ports 1
Headphone outputs 1
VGA (D-Sub) ports quantity 0
DVI-D ports quantity 0
HDMI ports quantity 1
HDMI version 2.1
DisplayPorts quantity 1
Storage controllers
RAID levels 0, 1, 5, 10
Supported storage drive types HDD & SSD
Storage interfaces M.2, SATA III
Number of HDDs supported 4
RAID support Yes
Number of storage drives supported 7
Packaging data
Package depth 275 mm
Package height 67.5 mm
Package width 275 mm
Package weight 1450 g
  • 36 Months Service (Bring-in)

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