Asus PRIME B850M-A-CSM – Corporate Stable Model, AMD B850, AM5, Micro ATX, 4 DDR5, HDMI, 2 DP, 2.5G LAN, 3x M.2
Brand: ASUS
- Processor manufacturer
- AMD
- Processor socket
- Socket AM5
- Compatible processor series
- AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
- Supported processor sockets
- Socket AM5
About this item
- AMD Socket AM5 AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
- PC micro ATX AMD B850 7.1 channels
- DDR5-SDRAM 4 DIMM Maximum internal memory: 256 GB
- HDD & SSD PCI Express 4.0, PCI Express 5.0 RAID support Number of storage drives supported: 7
- BIOS type: UEFI AMI 256 Mbit
- 2.5 Gigabit Ethernet
£146.48 £151.98 (inc. VAT)
12 in stock
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Product description
ASUS PRIME B850M-A-CSM, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series, Socket AM5, DDR5-SDRAM, 256 GB
Product information
Processor
| Processor manufacturer | AMD |
|---|---|
| Processor socket | Socket AM5 |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
Memory
| Supported memory types | DDR5-SDRAM |
|---|---|
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC & Non-ECC |
| Supported memory clock speed (max) | 8000 MHz |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| Maximum internal memory per slot | 64 GB |
Storage controllers
| Supported storage drive types | HDD & SSD |
|---|---|
| Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0 |
| Number of HDDs supported | 4 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 10 |
Graphics
| Parallel processing technology support | Not supported |
|---|---|
| Maximum resolution | 7680 x 4320 pixels |
Internal I/O
| USB 2.0 connectors | 2 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| S/PDIF out connector | Yes |
| Front panel audio connector | Yes |
| Front panel connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 1 |
| Number of chassis fan connectors | 3 |
| Chassis intrusion connector | Yes |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| EPS power connector (8-pin) | Yes |
| Number of EPS power connectors (8-pin) | 1 |
| Number of COM connectors | 1 |
| TPM connector | Yes |
| 12V power connector | Yes |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 3 |
Rear panel I/O ports
| 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 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 2 |
| DisplayPort version | 1.4 |
| Headphone outputs | 1 |
| Line-in | Yes |
| Microphone in | Yes |
Network
| Ethernet LAN | Yes |
|---|---|
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | No |
| Top Wi-Fi standard | Not available |
Features
| Motherboard chipset | AMD B850 |
|---|---|
| Audio output channels | 7.1 channels |
| Product colour | Grey |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Cooling type | Passive |
| Power source type | ATX |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
Expansion slots
| PCI Express x16 (Gen 4.x) slots | 2 |
|---|---|
| PCI Express x16 (Gen 5.x) slots | 1 |
| Number of M.2 (M) slots | 3 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 largest key size | 2280 |
| 3rd M.2 highest PCI Express generation | 4.0 |
| 4th M.2 largest key size | 2280 |
| 4th M.2 highest PCI Express generation | 4.0 |
BIOS
| BIOS type | UEFI AMI |
|---|---|
| BIOS memory size | 256 Mbit |
Packaging data
| Package width | 275 mm |
|---|---|
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.45 kg |
Weight & dimensions
| Width | 244 mm |
|---|---|
| Depth | 244 mm |