Install the appASUS PRIME B850M-A-CSM - Motherboard, AMD B850, Socket AM5, micro ATX
90MB1LQ0-M0EAYC
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Our advantages
- — Warranty: 3 Years Warranty
- — Return and exchange up to 31 days
- — Best price
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ASUS PRIME B850M-A-CSM + accessories −9%
Key specifications
- BrandASUS
- Processor socketAM5
- Motherboard chipsetAMD B850
- Motherboard form factorMicro-ATX
- Supported memory typesDDR5-SDRAM
- Number of memory slots4
- Number of M.2 (M) slots3
- Maximum internal memory256 GB
- Compatible processor seriesAMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series
- Video outputsHDMI, DisplayPort
- Performance profileAMD EXPO
- Product colorGrey
- Weight1.45 kg
- Warranty3 Years Warranty
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Compatible processor series
AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series
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All specifications 88
Main4
- Brand
- ASUS
- Warranty
- 3 Years Warranty
- Product code
- 90MB1LQ0-M0EAYC
- EAN/UPC code
- 4711636054706, 4711636054720
Processor5
Performance2
- Motherboard chipset
- AMD B850
- Performance profile
- AMD EXPO
Features5
- Audio output channels
- 7.1 channels
- Component for
- PC
- Motherboard chipset family
- AMD
- Motherboard form factor
- Micro-ATX
- Windows operating systems supported
- Windows 10 x64, Windows 11
Memory9
- ECC сompatibility
- ECC & Non-ECC
- Maximum internal memory
- 256 GB
- Maximum internal memory per slot
- 64 GB
- Memory channels
- Dual-channel
- Memory slots type
- DIMM
- Number of memory slots
- 4
- Supported memory clock speed (max)
- 8000 MHz
- Supported memory types
- DDR5-SDRAM
- Unbuffered memory
- Yes
Expansion slots11
- 1st M.2 highest PCI Express generation
- 5.0
- 1st M.2 largest key size
- 2280
- 2nd M.2 highest PCI Express generation
- 4.0
- 2nd M.2 largest key size
- 2280
- 3rd M.2 highest PCI Express generation
- 4.0
- 3rd M.2 largest key size
- 2280
- 4th M.2 highest PCI Express generation
- 4.0
- 4th M.2 largest key size
- 2280
- Number of M.2 (M) slots
- 3
- PCI Express x16 (Gen 4.x) slots
- 2
- PCI Express x16 (Gen 5.x) slots
- 1
Ports & interfaces12
- DisplayPort version
- 1.4
- DisplayPorts quantity
- 2
- Ethernet LAN (RJ-45) ports
- 1
- HDMI ports quantity
- 1
- HDMI version
- 2.1
- Headphone outputs
- 1
- Line-in
- Yes
- Microphone in
- Yes
- USB 2.0 ports quantity
- 4
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 2
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 2
- Video outputs
- HDMIDisplayPort
BIOS2
- BIOS memory size
- 256 Mbit
- BIOS type
- UEFI AMI
Design2
- Cooling type
- Passive
- Product color
- Grey
Graphics1
- Parallel processing technology support
- Not supported
Internal I/O19
- 12V power connector
- Yes
- ATX Power connector (24-pin)
- Yes
- Chassis intrusion connector
- Yes
- CPU fan connector
- Yes
- EPS power connector (8-pin)
- Yes
- Front panel audio connector
- Yes
- Front panel connector
- Yes
- Number of chassis fan connectors
- 3
- Number of COM connectors
- 1
- Number of CPU fan connectors
- 1
- Number of EPS power connectors (8-pin)
- 1
- Number of RGB LED pin headers
- 3
- Number of SATA III connectors
- 4
- Peripheral (Molex) power connectors (4-pin)
- 1
- RGB LED pin header
- Yes
- S/PDIF out connector
- Yes
- TPM connector
- Yes
- USB 2.0 connectors
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) connectors
- 2
Network2
- Ethernet interface type
- 2.5 Gigabit Ethernet
- Ethernet LAN
- Yes
Packaging content2
- Cables included
- SATA
- Screws included
- Yes
Packaging data3
- Package depth
- 275 mm
- Package height
- 67.5 mm
- Package width
- 275 mm
Power1
- Power source type
- ATX
Storage controllers6
- Number of HDDs supported
- 4
- Number of storage drives supported
- 7
- RAID levels
- 0, 1, 5, 10
- RAID support
- Yes
- Supported storage drive interfaces
- PCI Express 4.0, PCI Express 5.0
- Supported storage drive types
- HDD & SSD
Weight & dimensions2
- Depth
- 244 mm
- Width
- 244 mm
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