Asus PRIME B550-PLUS AC-HES Desktop Motherboard - Prime AMD B550 Chipset Socket AM4 ATX Ryzen 3, Ryzen 5 Processor Supported 128 GB DDR4 SDRAM Maximum RAM DIMM, UDIMM 2 x Memory Slots Gigabit Ethernet IEEE 802.11a/b/g/n/ac HDMI Display

• AI-powered:
  Yes
  

• Chipset Manufacturer:
  AMD
  
• Chipset Model:
  B550
  
• Total Processor Supported:
  1
  
• Processor Socket:
  Socket AM4
  
• Processor Generation Supported:
  2nd Gen
  
• Processor Supported:
  Ryzen 3, Ryzen 5
  

• Number of Memory Slots:
  2
  
• Memory Form Factor:
  DIMM, UDIMM
  
• Maximum Memory Supported:
  128 GB
  
• Memory Speed Supported:
  2133 MHz, 2400 MHz, 2667 MHz, 2800 MHz, 3000 MHz, 3200 MHz, 3333 MHz, 3466 MHz, 3866 MHz, 3600 MHz, 3733 MHz, 4000 MHz, 4133 MHz, 4466 MHz, 4600 MHz, 4400 MHz, 4800 MHz, 4266 MHz, 4333 MHz, 4866 MHz
  
• Memory Technology:
  DDR4 SDRAM
  
• Error Checking:
  ECC
  

• Controller Type:
  Serial ATA/600
  
• RAID Supported:
  Yes
  
• RAID Levels:
  0, 10, 1
  

• Onboard Video:
  CPU Dependent Video
  

• Audio Channels:
  7.1
  

• Bluetooth:
  Yes
  
• Bluetooth Standard:
  Bluetooth 5.0
  
• Gigabit Ethernet:
  Yes
  
• Wireless LAN:
  Yes
  
• Wireless LAN Standard:
  IEEE 802.11a/b/g/n/ac
  

• Total Number of Expansion Slots:
  7
  
• Total Number of PCI Express Slots:
  7
  
• Number of PCI Express x16 Slots:
  7
  
• PCI Express Standard:
  PCI Express 4.0, PCI Express 3.0
  

• Total Number of USB Ports:
  6
  
• S/PDIF:
  Yes
  
• HDMI:
  Yes
  
• DisplayPort:
  Yes
  
• Number of Network (RJ-45) Ports:
  1
  

• Number of SATA Interfaces:
  6
  
• Number of M.2 Interfaces:
  2
  
• Total Number of Onboard USB Ports:
  6
  
• Number of Onboard USB 2.0 Ports:
  4
  

• Form Factor:
  ATX
  
• Height:
  12"
  
• Width:
  12"
  
• Depth:
  9.6"
  
• Weight (Approximate):
  1.98 lb
  

• Environmental Compliance:
  Restriction of Hazardous Substances (RoHS)
  

Model
PRIME B550-PLUS AC-HES
Memory
4866(OC)/4800(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-buffered Memory
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.
Graphics
Graphics specifications may vary between CPU types.
Expansion Slots
1 x PCIe 4.0 x16 + 1 x PCIe 3.0 x16 (max. x4) + 3 x PCIe 3.0 x16 (x1),
AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x16 mode)
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x16 slot (supports x4 mode)
3 x PCIe 3.0 x16 slots (support x1 mode)
PCIE 3.0 X16_4 will run x1 mode when any of the PCIE 3.0 x16_2/3/5 slots is occupied.
Support PCIe bifurcation for RAID on CPU function.
Storage
AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 and SATA modes)
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 and SATA modes)
AMD B550 Chipset
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 and SATA modes)
6 x SATA 6Gb/s ports
Support RAID 0, 1, 10
M.2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.
USB
2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
2 x USB 3.2 Gen 1 ports (2 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x USB 3.2 Gen 1 connector (supports USB Type-C)
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
Audio
Realtek ALC897/887 7.1 Surround Sound High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Rear optical S/PDIF out port
- Premium Japanese audio capacitors
- Dedicated audio PCB layers
- Unique de-pop circuit
Back Panel I/O Ports
2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
2 x USB 3.2 Gen 1 ports (2 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x ASUS Wi-Fi Module
1 x Realtek 1Gb Ethernet port
5 x Audio jacks
1 x Optical S/PDIF out port
Internal I/O Connectors
Fan and Cooling related
1 x 4-pin CPU Fan header
1 x 4-pin AIO Pump header
2 x 4-pin Chassis Fan headers
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
2 x M.2 slots (Key M)
6 x SATA 6Gb/s ports
USB
1 x USB 3.2 Gen 1 connector (supports USB Type-C)
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
Miscellaneous
2 x AURA Addressable Gen 2 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 with Chassis intrude function
1 x Thermal Sensor header
Special Features
ASUS 5X PROTECTION III
- DIGI+ VRM
- LANGuard
- Overvoltage Protection
- SafeSlot Core
- Stainless-Steel Back I/O
ASUS Q-Design
- Q-DIMM
- Q-Slot
ASUS Thermal Solution
- VRM heatsink design
AURA Sync
- Addressable Gen 2 RGB headers
CEC Tier II ready
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 version)
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
BIOS
256 Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PME, PXE
Accessories
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS Wi-Fi moving antennas
1 x I/O Shield
1 x M.2 SSD screw package
Installation Media
1 x Support DVD
Documentation
1 x User manual
Operating System
Windows 10 64bit
Form Factor
ATX, 30.5cm x 24.4cm
Item Dimension (L"xW"xH")
14 x 11 x 3

Weight
4 lbs

Warranty Information
1 Year