ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX

Processor
Compatible processor series: 2nd Generation AMD Ryzen™ 3, 2nd Generation AMD Ryzen™ 5, AMD Ryzen™ Threadripper™: The Second Generation, AMD Ryzen™ Threadripper™, 2nd Generation AMD Ryzen™ 7, AMD Ryzen™ 7, AMD Ryzen™ 5, AMD Ryzen™ 3
Processor manufacturer: AMD
Processor socket: Socket AM4

Features
Audio chip: Realtek ALC887-VD2
Motherboard chipset family: AMD
Windows operating systems supported: Windows 7 x64, Windows 10 x64
Motherboard form factor: micro ATX
Audio output channels: 7.1 channels
Motherboard chipset: AMD B450

Memory
Supported memory clock speeds: 2933, 3000, 3200 MHz, 2666, 2400, 2800, 2133
Maximum internal memory: 64 GB
Unbuffered memory: Yes
Number of memory slots: 2
Supported memory types: DDR4-SDRAM
Memory slots type: DIMM

Weight & dimensions
Width: 244 mm
Depth: 244 mm

Network
Ethernet interface type: Gigabit Ethernet
Ethernet LAN: Yes
Wi-Fi: No

Internal I/O
CPU fan connector: Yes
Number of chassis fan connectors: 2
Front panel audio connector: Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
USB 2.0 connectors: 2
Number of SATA III connectors: 4
S/PDIF out connector: Yes
ATX Power connector (24-pin): Yes
Audio connector: Yes

BIOS
BIOS type: UEFI AMI

Packaging content
Cables included: SATA

Storage controllers
RAID levels: 1, 10, 0
Supported storage drive interfaces: M.2, PCI Express 3.0, Serial ATA III

Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
PS/2 ports quantity: 2
Microphone in: Yes
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 3
Ethernet LAN (RJ-45) ports: 1
DVI-D ports quantity: 1
VGA (D-Sub) ports quantity: 1
Headphone outputs: 1

Expansion slots
PCI Express x1 (Gen 2.x) slots: 2
PCI Express x16 (Gen 3.x) slots: 2