ASUS PRIME B550-PLUS DDR4,AM4 Socket ATX Motherboard

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

AMD B550

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
4 x DIMM, Max. 128GB, DDR4 4600(OC)/4400(OC)/4266(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466 (OC)/3333(OC)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory *
AMD Ryzen ^TM 4000 G-Series Processor
4 x DIMM, Max. 128GB, DDR4 4800(OC)/4600(OC)/4466(OC)/4400(OC)/4266(OC)/4133(OC)/4000(OC)/3866(OC)/3600 (OC)/3466(OC)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory
Dual Channel Memory Architecture
*Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

1x DisplayPort 1.2*
1 x HDMI 2.1(4K@60HZ)
*Graphics specifications may vary between CPU types.

Supports AMD 2-Way CrossFireX Technology

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 (x16 mode)
AMD Ryzen ^TM 4000 G-Series Processor
1 x PCIe 3.0 x16 (x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x16 (x4 mode)
3xPCIe 3.0x1
* Support PCIe bifurcation for RAID on CPU function.

Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors:
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
AMD Ryzen ^TM 4000 G-Series Processor:
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
AMD B550 Chipset:
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)* ²
6 x SATA 6Gb/s port(s), * ²
Support Raid 0, 1, 10

Realtek® RTL8111H
ASUS LANGuard

Realtek ALC887 7.1-Channel High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
Audio Feature:
- Optical S/PDIF out port(s) at back panel
-LED-illuminated design
- Audio Shielding
- Dedicated audio PCB layers
- Premium Japanese audio capacitors
- Unique de-pop circuit

Rear USB Port (Total 8)
2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C ^® )
4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
2 x USB 2.0 port(s)(2 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)

ASUS Exclusive Software
Armory Crate
-Aura Creator
-Aura Sync
AI Suite 3
-Performance And Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
Fan Xpert 4
-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 Enhanced DRAM Overcurrent Protection
- ASUS ESD Guards
- ASUS LANGuard
- ASUS Overvoltage Protection
- ASUS SafeSlot Core
-ASUS Stainless-Steel Back I/O
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
-ASUS Q-Slot
ASUS Thermal Solution
-Aluminum heatsink design
ASUS EZ DIY
- SafeSlot
AURA Sync
- Standard RGB headers
- Addressable Gen 2 RGB header

1 x DisplayPort
1xHDMI
1 x LAN (RJ45) port(s)
2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C ^® )
4 x USB 3.2 Gen 1 (blue) Type-A
2x USB 2.0
1 x Optical S/PDIF out
5 x Audio jack(s)

1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
3 x Chassis Fan connector(s)
1 x AIO_PUMP connector
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 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
1 x SPI TPM header
6 x SATA 6Gb/s connector(s)
1 x Thunderbolt 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 Thermal sensor connector(s)
1 x Clear CMOS jumper(s)
1 x System panel connector
1 x COM port header

User´s manual
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x Supporting DVD
1 x M.2 SSD screw package(s)

256 Mb Flash ROM, UEFI AMI BIOS

WOL by PME, PXE

Windows® 10 64-bit

ATX Form Factor
12 inches x 9.6 inches (30.5 cm x 24.4 cm)

*1 PCIE 3.0 X16_2 runs x2 mode when PCIEX1_2 or PCIEX1_3 slots is populated.
*2 M2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.