Motherboard ASUS PRIME B550M-K ARGB DDR4
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Model : PRIME B550M-K ARGB
CPU : AMD Socket AM4 for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors

Chipset : AMD B550 Chipset

Memory :
2 x DIMM slots, Max. 64GB, DDR4

Graphics :
1 x DisplayPort
1 x HDMI port

Expansion Slots :
AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x16 mode)
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x1 slot

Storage :
Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports*
AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes)
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)
AMD B550 Chipset
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
4 x SATA 6Gb/s ports

Ethernet :
1 x Realtek 1Gb Ethernet

USB :
Rear USB (Total 6 ports)
4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
Front USB (Total 7 ports)
1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C)
1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports

Audio :
Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback

Audio Features :
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers

Back Panel I/O Ports :
4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Realtek 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo port

Internal I/O Connectors :
Fan and Cooling related
1 x 4-pin CPU Fan header
2 x 4-pin Chassis Fan headers
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C )
1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Miscellaneous
3 x Addressable Gen 2 headers
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x S/PDIF Out header
1 x Speaker header
1 x SPI TPM header (14-1 pin)
1 x 10-1 pin System Panel header

BIOS : 128 Mb Flash ROM, UEFI AMI BIOS
Operating System : Windows 11, Windows 10 64-bit

Form Factor :
micro-ATX Form Factor
9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm )