BrandASUS
ModelPRIME B550-PLUS
CPU SupportAMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors Processors *
* Refer to www.asus.com for CPU support list
SocketAM4
ChipsetAMD B550
Memory SupportAMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
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 ECC and non-ECC Un-buffered Memory *
AMD RyzenTM 4000 G-Series Processor
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.)/3600(O.C.)/3466(O.C.)/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).
Graphics1 x DisplayPort 1.2 *
1 x HDMI 2.1(4K@60HZ)
*Graphics specifications may vary between CPU types.
Multi Graphic SupportSupports AMD 2-Way CrossFireX Technology
AudioRealtek 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
Expansion SlotsAMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 (x16 mode)
AMD RyzenTM 4000 G-Series Processor
1 x PCIe 3.0 x16 (x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x16 (x4 mode)
3 x PCIe 3.0 x1
* Support PCIe bifurcation for RAID on CPU function.
StorageTotal 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 RyzenTM 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)*
6 x SATA 6Gb/s port(s) *
Support Raid 0 1 10
* M2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated SATA6G_56 will be disabled.
USBRear 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)
Internal I/O Connectors1 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
Back Panel Connectors1 x DisplayPort
1 x HDMI
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
2 x USB 2.0
1 x Optical S/PDIF out
5 x Audio jack(s)
LANRealtek® RTL8111H
ASUS LANGuard
Wireless Data NetworkNone
Form FactorATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
H/W MonitoringN/A
BIOS256 Mb Flash ROM UEFI AMI BIOS
Special FeaturesASUS 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
Software FeaturesASUS 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
Operating System SupportWindows® 10 64-bit
Dimension(W x D x H) : 24.40 x 30.50 x 3.70 cm
Net Weight0.93 KG
Package Dimension(W x D x H) : 26.70 x 32.80 x 5.40 cm
Gross Weight1.34 KG
Volume4729.10 cm3