Chipset: AMD B550

Rozměrový formát: mATX Form Factor (244 mm x 244 mm)
Podpora pro procesory: AMD AM4 Socket 3rd Gen AMD Ryzen™ Processors
Patice procesoru: AM4

Pozice na paměti: 4x DDR4 DIMM
Podpora pro paměti:
*3rd Gen AMD Ryzen™ Processors - 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
*Next Generation AMD Ryzen PRO Processors - 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
Max.velikost operační paměti: 128 GB
Podpora pro paměti typu: DDR4
*Dual Channel Memory Architecture
*ECC Memory (ECC mode) support varies by CPU

Grafické výstupy: (na základě procesoru)
*1x D-Sub
*1x DVI-D
*1x HDMI 2.1(4K@60HZ)

Zvuková karta:
*Realtek ALC887 7.1 Surround Sound High Definition Audio CODEC

Síťová karta:
*Realtek RTL8111H 1Gb Ethernet

Rozšiřující sloty:
*1x PCIe 4.0 x16 (x16 mode)
*2x PCIe 3.0 x1

RAID řadič: 0, 1, 10

SATA:
*4x SATA 6Gb/s ports

M.2:
*1x M.2 Socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 4.0 x4 and SATA modes) storage devices support
*1x M.2 Socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support

USB:
*zadní USB porty ( celkem 6 )
*2x USB 3.2 Gen 2 port(s)(2 x Type-A)
*4x USB 3.2 Gen 1 port(s)(4 x Type-A)
*přední USB porty ( celkem 6 )
*2x USB 3.2 Gen 1 port(s)(2 x Type-A)
*4x USB 2.0 port(s)(4 x Type-A)

Interní porty:
*1x CPU Fan connector(s)
*2x Chassis Fan connector(s)
*1x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
*2x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
*1x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
*1x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
*1x SPI TPM header
*4x SATA 6Gb/s connector(s)
*1x S/PDIF out header(s)
*1x 24-pin EATX Power connector(s)
*1x 8-pin EATX 12V Power connectors
*1x Front panel audio connector(s) (AAFP)
*1x Clear CMOS jumper(s)
*1x System panel connector
*1x COM port header
*1x Speaker connector

Externí porty:
*1x PS/2 keyboard/mouse combo port(s)
*1x DVI-D
*1x D-Sub
*1x HDMI
*1x LAN (RJ45) port(s)
*2x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
*4x USB 3.2 Gen 1 (blue) Type-A
*3x Audio jack(s)

Obsah balení:
*User's manual
*I/O Shield
*2x SATA 6Gb/s cable(s)
*1x Supporting DVD
*1x M.2 SSD screw package(s)

BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

Stránka výrobce: https://www.asus.com/Motherboards/PRIME-B550M-K
https://www.asus.com/microsite/motherboard/ASUS-motherboards-Win11-ready/
https://www.asus.com/support/FAQ/1046215