ASUS PRIME B550M-A WIFI II DDR4 (3Y)

Build in AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors *,* Refer to www.asus.com for CPU support list

AMD B550

4 x DIMM, Max. 128GB, DDR4 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 Memory *,AMD Ryzen^TM 4000 G-Series Processors,4 x DIMM, Max. 128GB, DDR4 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 *,ECC Memory (ECC mode) support varies by CPU.,* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).,Dual Channel Memory Architecture

1 x HDMI 2.1(4K@60HZ),*Graphics specifications may vary between CPU types.

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors,AMD B550 Chipset,2 x PCIe 3.0 x1,1 x PCIe 4.0 x16 (x16 mode),1 x PCIe 3.0 x16 (x16 mode)

Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 4.0 x4 and SATA modes) storage devices support,AMD Ryzen^TM 4000 G-Series Processors : ,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support,1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors : ,AMD B550 Chipset : ,4 x SATA 6Gb/s port(s),,Support Raid 0, 1, 10

Realtek RTL8111H 1Gb Ethernet

Supports PCIe interface,Intel® Wi-Fi 6 AX200,2×2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMO,Supports up to 2.4Gbps max data rate,Supports dual band frequency 2.4/5 GHz,Supports channel bandwidth: HT20/HT40/HT80/HT160

Bluetooth v5.1*,*BT 5.1 function will be ready in Windows 10 build 19041 or later.

Realtek ALC887/8977.1 Surround Sound High Definition Audio CODEC,- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback,- LED-illuminated design,- Audio Shielding,- Dedicated audio PCB layers,- Premium Japanese audio capacitors,Audio Feature :,* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

4 x USB 2.0 port(s)(4 x Type-A),Front USB Port ( Total 6 ),Rear USB Port ( Total 6 ),2 x USB 3.2 Gen 2 port(s)(2 x Type-A),2 x USB 3.2 Gen 1 port(s)(2 x Type-A),4 x USB 3.2 Gen 1 port(s)(4 x Type-A)

ASUS Exclusive Software
Armoury Crate
– Aura Creator
– Aura Sync
AI Suite 3
– Performance And Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
Fan Xpert 2+
– EZ update
ASUS CPU-Z
AI Charger
DAEMON Tools
Norton Anti-virus software (Free Trial for 60 days)
WinRAR
UEFI BIOS
ASUS EZ DIY
– ASUS CrashFree BIOS 3
– ASUS EZ Flash 3
– ASUS UEFI BIOS EZ Mode

ASUS 5X PROTECTION III
– ASUS DIGI+ VRM
– ASUS LANGuard
– ASUS Overvoltage Protection
– ASUS SafeSlot Core
– ASUS Stainless-Steel Back I/O
ASUS Q-Design
– ASUS Q-DIMM
– ASUS Q-Slot
ASUS Thermal Solution
– Aluminum heatsink design
AURA Sync
– Standard RGB headers
– Addressable Gen 2 RGB header
ASUS Lighting Control

2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A),4 x USB 3.2 Gen 1 (blue) Type-A,1 x ASUS Wi-Fi Module,1 x PS/2 keyboard/mouse combo port(s),1 x DVI-D,1 x D-Sub,1 x HDMI,1 x LAN (RJ45) port(s),3 x Audio jack(s)

1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s),1 x Addressable Gen 2 header(s),1 x SPI TPM header,1 x 8-pin EATX 12V Power connectors,2 x Aura RGB Strip Headers,1 x Speaker connector,1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode),1 x CPU Fan connector(s),1 x CPU OPT Fan connector(s),2 x Chassis Fan connector(s),2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s),4 x SATA 6Gb/s connector(s),1 x S/PDIF out header(s),1 x 24-pin EATX Power connector(s),1 x Front panel audio connector(s) (AAFP),1 x Clear CMOS jumper(s),1 x System panel connector,1 x COM port header,1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)

User manual,1 x M.2 SSD screw package(s),1 x Wi-Fi moving antenna,I/O Shield,2 x SATA 6Gb/s cable(s),1 x Supporting DVD

256 Mb Flash ROM, UEFI AMI BIOS

WOL by PXE

Windows® 10 64-bit

mATX Form Factor,9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )