Main Specifications
Product Description: ASUS PRIME B450M-A/CSM - motherboard - micro ATX - Socket AM4 - AMD B450
Product Type: Motherboard - micro ATX
Chipset Type: AMD B450
Processor Socket: 1 x Socket AM4
Compatible Processors: Ryzen (supports 1st and 2nd Generation Ryzen / Ryzen with Radeon Vega Graphics)
Max RAM Size: 64 GB
RAM Supported: 4 DIMM slots - DDR4, non-ECC, ECC, unbuffered
Storage Ports: 6 x SATA-600 (RAID), 1 x M.2
USB / FireWire Ports: 2 x USB 3.1 Gen 2 + 4 x USB 3.1 Gen 1 + (2 x USB 3.1 Gen 1 + 4 x USB 2.0 via headers)
Audio: HD Audio (8-channel)
LAN: Gigabit Ethernet
General
Product Type: Motherboard - micro ATX
Chipset Type: AMD B450
Processor Socket: Socket AM4
Max Processors Qty: 1
Compatible Processors: Ryzen (supports 1st and 2nd Generation Ryzen / Ryzen with Radeon Vega Graphics)
Supported RAM
Max Size: 64 GB
Technology: DDR4
Bus Clock: 2400 MHz, 2133 MHz, 2666 MHz, 2800 MHz (O.C.), 3000 MHz (O.C.), 3200 MHz (O.C.)
Supported RAM Integrity Check: Non-ECC, ECC
Registered or Buffered: Unbuffered
Features: Dual channel memory architecture
Audio
Type: HD Audio (8-channel)
Audio Codec: Realtek ALC887
Compliant Standards: High Definition Audio
LAN
Network Controller: Realtek RTL8111H
Network Interfaces: Gigabit Ethernet
Expansion / Connectivity
Expansion Slots: 1 x CPU
4 x DIMM 288-pin
1 x PCIe 3.0 x16 (x16 mode (with 1st and 2nd Generation Ryzen CPU); x8 mode (with Ryzen with Radeon Vega Graphics))
2 x PCIe 2.0 x1
Storage Interfaces: SATA-600 -connectors: 6 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10
SATA-600 / PCIe 3.0 -connectors: 1 x M.2
Interfaces: 1 x LAN (Gigabit Ethernet)
4 x USB 3.1 Gen 1
1 x PS/2 keyboard
1 x audio line-in - mini-jack
1 x audio line-out - mini-jack
1 x microphone - mini-jack
1 x PS/2 mouse
1 x VGA
1 x DVI-D
1 x HDMI
2 x USB 3.1 Gen 2
Internal Interfaces: 4 x USB 2.0 - header
2 x USB 3.1 Gen 1 - header
1 x serial - header
1 x SPDIF out - header
1 x audio - header
1 x speaker - header
Power Connectors: 24-pin main power connector, 8-pin ATX12V connector
Features
BIOS Type: AMI
BIOS Features: Multilingual BIOS, ASUS Quiet Thermal Solution, UEFI BIOS, ASUS EZ Flash 3, ACPI 6.1 support, SMBIOS 3.1 support
Hardware Features: ASUS Q-Design, Q-DIMM, ASUS EZ DIY, Q-Slot, CrashFree BIOS 3, ASUS DIGI+ VRM, Fanless Design Heatsink, ASUS Stainless Steel Back I/O, ASUS Fan Xpert 2+, LANGuard, ASUS Overvoltage Protection, ASUS 5X Protection III, ASUS SafeSlot Core, AMD StoreMI technology, NVM Express RAID support, ASUS Aura Sync
Miscellaneous
Included Accessories: 1 x M.2 screw, I/O back cover
Cables Included: 2 x Serial ATA cable
Software Included: Drivers & utilities, ASUS AI Charger, ASUS AI Suite III
Width: 9.6 in
Depth: 9.4 in