Asus PRIME B550M Series AM4/ AMD B550/ DDR4/ SATA3&USB3.2/ M.2 mATX

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Overview
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Mfr Part Number:PRIME B550M-A AC
CPU: AMD AM4 Socket for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset: AMD B550
Memory:
- 4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory
- Dual Channel Memory Architecture
- ECC Memory (ECC mode) support varies by CPU
Graphic:
- 1 x D-Sub
- 1 x DVI-D
- 1 x HDMI 2.1(4K@60HZ)
Expansion Slots:
- AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
  
  - 1 x PCIe 4.0 x16 (x16 mode)
- AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
  
  - 1 x PCIe 3.0 x16 (x16 mode)
- AMD B550 Chipset
  
  - 2 x PCIe 3.0 x1
Storage:
- Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports
- AMD Ryzen 5000 Series/ 3000 Series Desktop Processors:
  
  - 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 5000 G-Series/ 4000 G-Series Desktop 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
- AMD B550 Chipset:
  
  - 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
  
  - 4 x SATA 6Gb/s port(s)
  
  - Support Raid 0, 1, 10
LAN:Realtek RTL8111H 1Gb Ethernet
Audio:
- Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC
  
  - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
- Audio Feature:
  
  - LED-illuminated design
  
  - Audio Shielding
  
  - Dedicated audio PCB layers
  
  - Premium Japanese audio capacitors
USB Ports:
- Rear USB Port ( Total 6 )
  
  - 2 x USB 3.2 Gen 2 port(s)(2 x Type-A)
  
  - 4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
- Front USB Port ( Total 6 )
  
  - 2 x USB 3.2 Gen 1 port(s)(2 x Type-A)
  
  - 4 x USB 2.0 port(s)(4 x Type-A)
Software Features:
- 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 Special Features:
- 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
Back I/O Ports:
- 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)
- 2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
- 4 x USB 3.2 Gen 1 (blue) Type-A
- 3 x Audio jack(s)
- 1 x ASUS Wi-Fi Module
Internal I/O Ports:
- 1 x CPU Fan connector(s)
- 1 x CPU OPT Fan connector(s)
- 2 x Chassis Fan connector(s)
- 2 x Aura RGB Strip Headers
- 1 x Addressable Gen 2 header(s)
- 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
- 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
- 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
- 1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
- 1 x SPI TPM header
- 4 x SATA 6Gb/s connector(s)
- 1 x S/PDIF out header(s)
- 1 x 24-pin EATX Power connector(s)
- 1 x 8-pin EATX 12V Power connectors
- 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 Speaker connector
Accessories:
- I/O Shield
- 2 x SATA 6Gb/s cable(s)
- 1 x Supporting DVD
- User manual
- 1 x Wi-Fi moving antenna
- 1 x M.2 SSD screw package(s)
BIOS: 256 Mb Flash ROM, UEFI AMI BIOS
Manageability: WOL byPXE
Operating System: Windows 10 64-bit
Form Factor:
- mATX Form Factor
- 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

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Product description

Mfr Part Number:PRIME B550M-A AC
CPU: AMD AM4 Socket for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset: AMD B550
Memory:
- 4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory
- Dual Channel Memory Architecture
- ECC Memory (ECC mode) support varies by CPU
Graphic:
- 1 x D-Sub
- 1 x DVI-D
- 1 x HDMI 2.1(4K@60HZ)
Expansion Slots:
- AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
  
  - 1 x PCIe 4.0 x16 (x16 mode)
- AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
  
  - 1 x PCIe 3.0 x16 (x16 mode)
- AMD B550 Chipset
  
  - 2 x PCIe 3.0 x1
Storage:
- Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports
- AMD Ryzen 5000 Series/ 3000 Series Desktop Processors:
  
  - 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 5000 G-Series/ 4000 G-Series Desktop 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
- AMD B550 Chipset:
  
  - 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
  
  - 4 x SATA 6Gb/s port(s)
  
  - Support Raid 0, 1, 10
LAN:Realtek RTL8111H 1Gb Ethernet
Audio:
- Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC
  
  - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
- Audio Feature:
  
  - LED-illuminated design
  
  - Audio Shielding
  
  - Dedicated audio PCB layers
  
  - Premium Japanese audio capacitors
USB Ports:
- Rear USB Port ( Total 6 )
  
  - 2 x USB 3.2 Gen 2 port(s)(2 x Type-A)
  
  - 4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
- Front USB Port ( Total 6 )
  
  - 2 x USB 3.2 Gen 1 port(s)(2 x Type-A)
  
  - 4 x USB 2.0 port(s)(4 x Type-A)
Software Features:
- 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 Special Features:
- 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
Back I/O Ports:
- 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)
- 2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
- 4 x USB 3.2 Gen 1 (blue) Type-A
- 3 x Audio jack(s)
- 1 x ASUS Wi-Fi Module
Internal I/O Ports:
- 1 x CPU Fan connector(s)
- 1 x CPU OPT Fan connector(s)
- 2 x Chassis Fan connector(s)
- 2 x Aura RGB Strip Headers
- 1 x Addressable Gen 2 header(s)
- 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
- 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
- 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
- 1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
- 1 x SPI TPM header
- 4 x SATA 6Gb/s connector(s)
- 1 x S/PDIF out header(s)
- 1 x 24-pin EATX Power connector(s)
- 1 x 8-pin EATX 12V Power connectors
- 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 Speaker connector
Accessories:
- I/O Shield
- 2 x SATA 6Gb/s cable(s)
- 1 x Supporting DVD
- User manual
- 1 x Wi-Fi moving antenna
- 1 x M.2 SSD screw package(s)
BIOS: 256 Mb Flash ROM, UEFI AMI BIOS
Manageability: WOL byPXE
Operating System: Windows 10 64-bit
Form Factor:
- mATX Form Factor
- 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Additional information

Manufacturer: ASUS