PRIME B550-PLUS Technical Specifications
ASUS AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard
Model
Brand
ASUS
Model
PRIME B550-PLUS
Supported CPU
CPU Socket Type
AM4
CPU Type
AMD Socket AM4 for 3rd Gen AMD Ryzen Processors*
Chipsets
Chipset
AMD B550
Memory
Number of Memory Slots
4×288pin
Memory Standard
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 ECC and non-ECC, Un-buffered Memory *
Next Generation AMD Ryzen PRO Processors
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.)/ 3600(O.C.)/ 3466(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz ECC and non-ECC, Un-buffered Memory
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported
128GB
Channel Supported
Dual Channel
Expansion Slots
PCI Express 4.0 x16
3rd Gen AMD Ryzen Processors
1 x PCIe 4.0 x16 slot (supports x16 mode)
PCI Express 3.0 x16
AMD B550 Chipset
1 x PCIe 3.0 x16 slot (supports x4 mode)*
* PCIE 3.0 X16_2 runs x2 mode when PCIEX1_2 or PCIEX1_3 slots is populated.
PCI Express x1
3 x PCIe 3.0 x1 slot**
** PCIE 3.0 X16_2 runs x2 mode when PCIEX1_2 or PCIEX1_3 slots is populated.
Storage Devices
SATA 6Gb/s
6 x SATA 6Gb/s
M.2
3rd Gen AMD Ryzen Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
AMD B550 Chipset
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
* M2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.
SATA RAID
0/1/10
Onboard Video
Onboard Video Chipset
Supported only by CPU with integrated graphic:
1 x DisplayPort 1.2
1 x HDMI 2.1 (4K@60HZ)
* Graphics specifications may vary between CPU types.
Onboard Audio
Audio Chipset
Realtek ALC887
Audio Channels
7.1 Channels
Onboard LAN
LAN Chipset
Realtek RTL8111H
Max LAN Speed
10/100/1000Mbps
Rear Panel Ports
Back I/O Ports
2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Realtek 8111H Ethernet port
5 x Audio jacks
1 x Optical S/PDIF out port
Internal I/O Connectors
Onboard USB
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Other Connectors
Fan and cooling related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x AIO Pump Header
3 x 4-pin Chassis Fan headers
Miscellaneous
1 x AURA Addressable Gen 2 header
2 x AURA RGB headers
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x SPI TPM header (14-1pin)
1 x 20-3 pin System Panel header
1 x T-Sensor header
1 x Thunderbolt Header
Physical Spec
Form Factor
ATX
LED Lighting
RGB
Features
Features
Multi-GPU Support:
Supports AMD 2-Way CrossFireX Technology
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 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 Special Features:
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