ASUS PRIME B550M-A AM4
- Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
- AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
- Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
- Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware
![TUF H370 Plus Gaming](https://dlcdnimgs.asus.com/websites/global/products/rqvpi2mqbniv6b4s/img/spec/spec-pc.png)
- PS/2
- 2 x USB 3.2 Gen 1
- DVI-D
- D-Sub
- HDMI
- 2 x USB 3.2 Gen 2
- Realtek LAN
- 2 x USB 3.2 Gen 1
- 3 x Audio jacks
- PCIe 4.0 x16
ASUS SafeSlot Core - Audio Features
● LED-illuminated design
● Audio Shielding
● Premium Audio Capacitors
● Dedicated Audio
PCB Layers - Addressable Gen 2 header
- DIGI+ VRM & EPU
- DDR4 support
- AMD AM4 socket for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
- 2 x Front USB 3.2 Gen 1
- 64Gb/s M.2 Support
PCIe 4.0 x4 & SATA mode - AMD B550 Chipset
- 32Gb/s M.2 Support
PCIe 3.0 x4 & SATA mode - 4 x SATA 6Gb/s
- 4 x Front USB 2.0
- 2 x AURA RGB headers
![Prime](https://dlcdnimgs.asus.com/websites/global/products/rqvpi2mqbniv6b4s/img/intro-title.png)
ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform.
Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
This platform delivers the power and connectivity that advanced AI PC applications demand.
![AMD Ryzen, Advanced AI PC ready's icon](https://mediawebimg.asus.com/files/media/abfc7a23-8419-458e-bdfb-5e59aefda550/V2/img/amd.png)
![](https://dlcdnimgs.asus.com/websites/global/products/rqvpi2mqbniv6b4s/img/intro-main.png)
* Refer to www.asus.com for CPU support list.
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.
1 x DVI-D
1 x HDMI 2.1(4K@60HZ)
*Graphics specifications may vary between CPU types.
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
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
– 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 audio capacitors
* Choose the chassis with HD audio module in front panel to support 8-channel audio output.
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)
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 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
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 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 mode & X4 PCIE mode)
1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE 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
2 x SATA 6Gb/s cable(s)
1 x Supporting DVD
User manual
1 x M.2 SSD screw package(s)
9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )