ASUS PRIME B850M-A-CSM
- Socket AM5
- AMD B850 chipset
- Micro-ATX format
- 4x DDR5
- 3x M.2
174.99
142.27 excl. VAT
In stock, expected delivery: 4 - 5 working days
ASUS PRIME B850M-A-CSM
174.99
142.27 excl. VAT
In stock, expected delivery: 4 - 5 working days
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The ASUS PRIME B850M-A-CSM is a Micro-ATX motherboard built on the AMD B850 chipset and designed for use with AMD Ryzen 7000, 8000, and 9000 Series processors via the Socket AM5 platform. Finished in grey, this compact board measures 244 x 244 mm and is powered through a standard ATX 24-pin connector alongside an 8-pin EPS connector. With support for up to 256 GB of DDR5 memory across four DIMM slots in dual-channel configuration, and memory speeds reaching up to 8000 MHz (OC), it is well suited for a wide range of desktop builds.
Expansion and Storage Options
The ASUS PRIME B850M-A-CSM offers extensive storage and expansion capabilities. It includes three M.2 slots, with the primary slot supporting PCIe 5.0 and the remaining slots running on PCIe 4.0, all accommodating drives up to 2280 in size. Four SATA III ports provide additional storage flexibility. For graphics expansion, the board features one PCIe 5.0 x16 slot and two PCIe 4.0 x16 slots, making it a versatile choice for multi-component configurations.
Connectivity and Audio
On the connectivity front, the board is equipped with a Realtek 2.5GbE LAN chip supporting 2500 Mbps wired networking. Display output options include two DisplayPort 1.4 ports and one HDMI 2.1 port, supporting resolutions up to 7680 x 4320 pixels. USB options are comprehensive, covering USB 2.0, USB 3.2 Gen 1, and USB 3.2 Gen 2 ports. Audio is handled by a Realtek HD Audio CODEC delivering 7.1 surround sound, complemented by S/PDIF output.
Expansion and Storage Options
The ASUS PRIME B850M-A-CSM offers extensive storage and expansion capabilities. It includes three M.2 slots, with the primary slot supporting PCIe 5.0 and the remaining slots running on PCIe 4.0, all accommodating drives up to 2280 in size. Four SATA III ports provide additional storage flexibility. For graphics expansion, the board features one PCIe 5.0 x16 slot and two PCIe 4.0 x16 slots, making it a versatile choice for multi-component configurations.
Connectivity and Audio
On the connectivity front, the board is equipped with a Realtek 2.5GbE LAN chip supporting 2500 Mbps wired networking. Display output options include two DisplayPort 1.4 ports and one HDMI 2.1 port, supporting resolutions up to 7680 x 4320 pixels. USB options are comprehensive, covering USB 2.0, USB 3.2 Gen 1, and USB 3.2 Gen 2 ports. Audio is handled by a Realtek HD Audio CODEC delivering 7.1 surround sound, complemented by S/PDIF output.
Brand:
ASUS
Product number:
21808951
Product number manufacturer:
90MB1LQ0-M0EAYC
Audio
Audio chip:
Realtek 7.1 Surround Sound HD Audio CODEC
Audio output channels:
7.1 kanalen
BIOS
BIOS memory :
256 Mbit
BIOS type:
UEFI AMI
Connectivity
DisplayPort version:
1.4
DisplayPorts:
2
DVI-D ports:
0
HDMI ports:
1
HDMI version:
2.1
Headphone out:
1
LAN (RJ-45) ports:
1
S/PDIF (out):
USB 2.0 ports:
6
USB 3.2 (Gen 1) type A ports:
3
USB 3.2 (Gen 1) type C ports:
1
USB 3.2 (Gen 2) type A ports:
2
Energy management
Power source type:
ATX
Internal I/O
12V power connector:
1st M.2 maximum slot size:
2280
1st M.2 slot PCI Express generation:
5.0
2nd M.2 maximum slot size:
2280
2nd M.2 slot PCI Express generation:
4.0
3rd M.2 maximum slot size:
2280
3rd M.2 slot PCI Express generation:
4.0
4th M.2 maximum slot size:
2280
4th M.2 slot PCI Express generation:
4.0
ATX Power connector (24-pin):
Chassis fan connector(s):
3
Chassis intrusion connector:
CPU fan connector:
EPS power connector (8-pin):
Front panel audio connector:
M.2 ports:
3
SATA III connectors:
4
TPM connector:
USB 2.0 Headers:
2
USB 3.1 (3.1 Gen 2) connectors:
0
USB 3.1 (Gen 1) header(s):
2
Memory
ECC compatibility:
ECC & Niet-ECC
Maximum memory:
256 GB
Memory channels support:
Dual-Channel
Memory slots:
4
Memory slots type:
DIMM
Memory types supported:
DDR5
Supported memory clock speeds (OC):
8000 MHz
Unbuffered:
Networking
LAN controller:
Realtek 2.5GbE LAN chip
Network standard:
2500 Mbps
Network technology (wired):
Wireless LAN (WiFi):
Packaging content
Cables included:
SATA
Physical characteristics
Colour of product:
Grijs
Depth:
244 mm
Height:
244 mm
Model:
Micro-ATX
Width:
244 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 B850
Video
Maximum resolution:
7680 x 4320 Pixels
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