
Chipset:  AMD B550
Rozměrový formát:  ATX Form Factor (305 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: 
 •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 ECC and non-ECC, 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.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory
Max.velikost operační paměti:  128 GB
Podpora pro paměti typu:  DDR4
•Dual Channel Memory Architecture
Grafická karta:  (na základě procesoru)
•1x DisplayPort 1.2
•1x HDMI 2.1(4K@60HZ)
Multi GPU: 
•AMD 2-Way CrossFireX Technology
Zvuková karta: 
•Realtek ALC887 7.1-Channel High Definition Audio CODEC
Síťová karta: 
•Realtek® RTL8111H(ASUS LANGuard)
Rozšiřující sloty: 
•1x PCIe 4.0 x16 (x16 mode)
•1x PCIe 3.0 x16 (x4 mode)
•3x PCIe 3.0 x1
RAID řadič:  0, 1, 10
SATA: 
•6x SATA 6Gb/s port(s)
M.2: 
•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 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
USB: 
•
zadní USB porty ( celkem 8 )
•2x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®)
•4x USB 3.2 Gen 1 port(s)(4 x Type-A)
•2x USB 2.0 port(s)(2 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)
•1x CPU OPT Fan connector(s)
•3x Chassis Fan connector(s)
•1x AIO_PUMP connector
•2x Aura RGB Strip Headers
•1x Addressable Gen 2 header(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 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
•1x SPI TPM header
•6x SATA 6Gb/s connector(s)
•1x Thunderbolt header(s)
•1x 24-pin EATX Power connector(s)
•1x 8-pin EATX 12V Power connectors
•1x Front panel audio connector(s) (AAFP)
•1x Thermal sensor connector(s)
•1x Clear CMOS jumper(s)
•1x System panel connector
•1x COM port header
Externí porty: 
•1x DisplayPort
•1x HDMI
•1x LAN (RJ45) port(s)
•2x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C®)
•4x USB 3.2 Gen 1 (blue) Type-A
•2x USB 2.0
•1x Optical S/PDIF out
•5x 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-B550-PLUS
 https://www.asus.com/microsite/motherboard/ASUS-motherboards-Win11-ready/
https://www.asus.com/support/FAQ/1046215