MSI PRO B840M-B
- Socket AM5
- AMD B840 chipset
- Micro-ATX format
- 2x DDR5
- 2x M.2
99.-
Lowest price last 30 days
91.99
74.79 excl. VAT
In stock, expected delivery: 4 - 5 working days
MSI PRO B840M-B
91.99
74.79 excl. VAT
In stock, expected delivery: 4 - 5 working days
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The MSI PRO B840M-B is a Micro-ATX motherboard built on the AMD B840 chipset, designed for use with AMD Ryzen 7000, 8000, and 9000 Series processors via the Socket AM5 platform. Finished in black and measuring 244 x 226 x 243.8 mm, this board offers a compact yet capable foundation for both productivity and everyday computing builds. It supports DDR5 memory in a dual-channel configuration across two DIMM slots, with a maximum capacity of 128 GB and clock speeds ranging from 4800 MHz up to 8000 MHz via overclocking.
Storage and Expansion
The MSI PRO B840M-B provides solid storage and expansion options. Two M.2 slots, both supporting PCIe 4.0 and up to 2280 form factor drives, offer fast NVMe storage connectivity. Additionally, four SATA III connectors are available for traditional storage devices. For expansion cards, the board features one PCIe 4.0 x16 slot and one PCIe 3.0 x1 slot, making it straightforward to add dedicated graphics or other peripherals.
Connectivity and Audio
Connectivity is well covered with a broad range of USB ports, including six USB 2.0 ports, six USB 3.2 Gen 1 Type-A ports, and one USB 3.2 Gen 1 Type-C port. Wired networking is handled by a Realtek RTL8125D controller supporting 2.5 Gigabit Ethernet, while video output is provided through a single HDMI 2.1 port. Audio is managed by the Realtek ALC897 chip, delivering 7.1-channel surround sound output for an immersive audio experience.
Storage and Expansion
The MSI PRO B840M-B provides solid storage and expansion options. Two M.2 slots, both supporting PCIe 4.0 and up to 2280 form factor drives, offer fast NVMe storage connectivity. Additionally, four SATA III connectors are available for traditional storage devices. For expansion cards, the board features one PCIe 4.0 x16 slot and one PCIe 3.0 x1 slot, making it straightforward to add dedicated graphics or other peripherals.
Connectivity and Audio
Connectivity is well covered with a broad range of USB ports, including six USB 2.0 ports, six USB 3.2 Gen 1 Type-A ports, and one USB 3.2 Gen 1 Type-C port. Wired networking is handled by a Realtek RTL8125D controller supporting 2.5 Gigabit Ethernet, while video output is provided through a single HDMI 2.1 port. Audio is managed by the Realtek ALC897 chip, delivering 7.1-channel surround sound output for an immersive audio experience.
Brand:
MSI
Product number:
21820506
Product number manufacturer:
PRO B840M-B
Audio
Audio chip:
Realtek ALC897
Audio output channels:
7.1 kanalen
BIOS
ACPI version:
6.5
BIOS memory :
256 Mbit
BIOS type:
UEFI AMI
Connectivity
DVI-D ports:
0
HDMI ports:
1
HDMI version:
2.1
LAN (RJ-45) ports:
1
USB 2.0 ports:
6
USB 3.2 (Gen 1) type A ports:
6
USB 3.2 (Gen 1) type C ports:
1
Expansion slots
PCI Express 3.0 x1 slots:
1
PCI Express x16 slots:
2
Internal I/O
1st M.2 maximum slot size:
2280
1st M.2 slot PCI Express generation:
4.0
2nd M.2 maximum slot size:
2280
2nd M.2 slot PCI Express generation:
4.0
Chassis fan connector(s):
5
M.2 ports:
2
SATA connectors:
0
SATA II connectors:
0
SATA III connectors:
4
USB 2.0 Headers:
4
USB 3.1 (3.1 Gen 2) connectors:
1
USB 3.1 (Gen 1) header(s):
2
Memory
ECC compatibility:
Niet-ECC
Maximum memory:
128 GB
Memory channels support:
Dual-Channel
Memory slots:
2
Memory slots type:
DIMM
Memory types supported:
DDR5
Supported memory clock speeds:
4800 MHz
Supported memory clock speeds (OC):
8000 MHz
Networking
LAN controller:
Realtek RTL8125D
Network standard:
2500 Mbps
Network technology (wired):
Wireless LAN (WiFi):
Physical characteristics
Colour of product:
Black
Depth:
243,8 mm
Height:
244 mm
Model:
Micro-ATX
Width:
226 mm
Processor
Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor family:
AMD
Sockets
Supported socket:
Socket AM5
Technical details
Chipset:
AMD B840
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