ASUS PRIME B850M-A-CSM AMD B850 Socket AM5 micro ATX

ASUS PRIME B850M-A-CSM AMD B850 Socket AM5 micro ATX

€246.28 inc VAT
€200.22 exc VAT
Estimated Delivery: 3-4 days
SKU: 90MB1LQ0-M0EAYC

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Processor
Processor manufacturerAMD
Processor socketSocket AM5
Compatible processor seriesAMD Ryzen 7000 Series,AMD Ryzen 8000 Series,AMD Ryzen 9000 Series
Supported processor socketsSocket AM5
Memory
Supported memory typesDDR5-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilityECC & non-ECC
Supported memory clock speed (max)8000
Maximum internal memory256
Unbuffered memoryY
Maximum internal memory per slot64
Storage controllers
Supported storage drive typesHDD & SSD
Supported storage drive interfacesPCI Express 4.0,PCI Express 5.0
Number of HDDs supported4
Number of storage drives supported7
RAID supportY
RAID levels0,1,5,10
Graphics
Parallel processing technology supportNot supported
Maximum resolution7680 x 4320
Internal I/O
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
Number of SATA III connectors4
S/PDIF out connectorY
Front panel audio connectorY
Front panel connectorY
ATX Power connector (24-pin)Y
CPU fan connectorY
Number of CPU fan connectors1
Number of chassis fan connectors3
Chassis intrusion connectorY
Peripheral (Molex) power connectors (4-pin)1
EPS power connector (8-pin)Y
Number of EPS power connectors (8-pin)1
Number of COM connectors1
TPM connectorY
12V power connectorY
RGB LED pin headerY
Number of RGB LED pin headers3
Rear panel I/O ports
USB 2.0 ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
Ethernet LAN (RJ-45) ports1
HDMI ports quantity1
HDMI version2.1
DisplayPorts quantity2
DisplayPort version1.4
Headphone outputs1
Line-inY
Microphone inY
Network
Ethernet LANY
Ethernet interface type2.5 Gigabit Ethernet
Wi-FiN
Features
Motherboard chipsetAMD B850
Audio output channels7.1
Product colourGrey
Component forPC
Motherboard form factorMicro ATX
Motherboard chipset familyAMD
Cooling typePassive
Power source typeATX
Windows operating systems supportedWindows 10 x64,Windows 11
Expansion slots
PCI Express x16 (Gen 4.x) slots2
PCI Express x16 (Gen 5.x) slots1
Number of M.2 (M) slots3
1st M.2 largest key size2280
1st M.2 highest PCI Express generation5.0
2nd M.2 largest key size2280
2nd M.2 highest PCI Express generation4.0
3rd M.2 largest key size2280
3rd M.2 highest PCI Express generation4.0
4th M.2 largest key size2280
4th M.2 highest PCI Express generation4.0
BIOS
BIOS typeUEFI AMI
BIOS memory size256
Packaging data
Package width275
Package depth275
Package height67.5
Package weight1450
Weight & dimensions
Width244
Depth244
Packaging content
Cables includedSATA
Screws includedY

Frequently asked questions

For more information, visit our FAQ section.

We deliver from Ireland to Ireland and delivery is €5.99.

We use An Post express label service for the majority of our deliveries.

  • Estimated delivery of 1-2 days, this product is in-stock and will ship same day for orders placed before 3 pm.
  • Estimated delivery of 2-3 days, this product is supplied to us locally which generally adds one extra day.
  • Estimated delivery of 3-4 days, this product will usually take 2 days to arrive into stock.
  • Estimated delivery of 4-5 days, this product is supplied to us from the UK, which usually adds two or three extra days.
  • Estimated delivery of 7-8 days, this product is supplied to us from the mainland Europe, which adds a minimum of four extra days.