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ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX
Motherboard
micro ATX
Socket AM4
AMD B550 Chipset
USB 3.2 Gen 1, USB 3.2 Gen 2
Gigabit LAN
onboard graphics (CPU required)
HD Audio (8-channel)
- AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
- Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
- Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware
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Overview
ASUS PRIME series is expertly engineered to unleash the full potential of your CPU platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, PRIME B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive features.
Specifications
Processor
- Processor manufacturer
- AMD
- Compatible processor series
- AMD Ryzen 3000 Series
- Processor socket
- Socket AM4
Storage controllers
- Supported storage drive interfaces
- M.2, SATA III
Graphics
- On-board graphics card
- No
Internal I/O
- USB 2.0 connectors
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) connectors
- 1
- USB 3.2 Gen 2 (3.1 Gen 2) connectors
- 0
- Number of SATA III connectors
- 4
- Number of SATA II connectors
- 0
- Number of SATA connectors
- 0
- Number of Parallel ATA connectors
- 0
- Front panel audio connector
- Yes
- ATX Power connector (24-pin)
- Yes
- CPU fan connector
- Yes
- Number of chassis fan connectors
- 2
- EPS power connector (8-pin)
- Yes
Rear panel I/O ports
- USB 2.0 ports quantity
- 0
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 4
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 2
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- 0
- Ethernet LAN (RJ-45) ports
- 1
- VGA (D-Sub) ports quantity
- 1
- HDMI ports quantity
- 1
- DVI-D ports quantity
- 1
- PS/2 ports quantity
- 1
- Headphone outputs
- 1
- Microphone in
- Yes
Network
- Wi-Fi
- No
- Ethernet LAN
- Yes
- Ethernet interface type
- Gigabit Ethernet
- LAN controller
- Realtek RTL8111H
Features
- Component for
- PC
- Motherboard form factor
- micro ATX
- Motherboard chipset family
- AMD
- Motherboard chipset
- AMD B550
- Audio output channels
- 7.1 channels channels
- Audio chip
- Realtek ALC887
- Product colour
- Black, Silver
- Windows operating systems supported
- Windows 10 x64
Memory
- Supported memory types
- DDR4-SDRAM
- Number of memory slots
- 4
- Maximum internal memory
- 128 GB GB
- Memory slots type
- DIMM
- Supported memory clock speeds
- 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz MHz
- Unbuffered memory
- Yes
Expansion slots
- PCI Express x1 (Gen 3.x) slots
- 2
- PCI Express x16 (Gen 4.x) slots
- 1
BIOS
- BIOS type
- UEFI AMI
- BIOS memory size
- 256 Mbit Mbit
- Clear CMOS jumper
- Yes
Logistics data
- Harmonized System (HS) code
- 84733020
Weight & dimensions
- Width
- 244 mm mm
- Depth
- 244 mm mm
- Height
- 51 mm mm
Other features
- mSATA ports quantity
- 0
- Weight
- 845 g g
