ASUS PRIME B550-PLUS AC-HES Motherboard Socket AM4 CPU DDR4 4866 (OC) Memory Chipset B550 ATX Mainboard
SPECIFICATIONS
Application: Desktop
Asus Model: PRIME B550-PLUS AC-HES
Back I/O Ports: 1x RJ45
Battery Included: No
Brand Name: Asus
Chipset: AMD
Chipset Manufacturer: AMD
High-concerned chemical: None
Maximum Ram Capacity: 128 GB
Number of PCI: 1
Onboard LAN: 1x RJ45
Origin: Mainland China
PCI - E standards: PCI-E 4.0
Package: Yes
Processor compatibility: AMD Others
RAID Supported: Yes
Socket Type: AM4
Special Features: NONE
Storage Interface Type: SATA,M.2 (NVMe)
Support Memory Type: DDR4
Usage Scenario: Gaming,Office,others
With CPU: No
Notice
All items in stock are second-hand and do not include any accessories. Images in the link are for reference only; please contact customer service for actual product photos.

CPU
AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000
G-Series/ 3000 Series Desktop Processors*
*Refer to www.asus.com for CPU support list
Chipset
AMD B550 Chipset
Memory
4 x DIMM, Max. 128GB, DDR4
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, Unbuffered 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.
Graphic
1 x DisplayPort 1.2
1 x HDMITM 2.1(4K@60Hz)
*Graphics specifications may vary between CPU types.
Expansion Slots
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
Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 &
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 &
SATA modes)
AMD B550 Chipset
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 &
SATA modes)
6 x SATA 6Gb/s ports
Supports RAID 0, 1, 10
*M.2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56
will be disabled.
Ethernet
1 x Realtek 1Gb Ethernet
Wireless & Bluetooth
Wi-Fi 5
1x1 Wi-Fi 5 (802.11 a/b/g/n/ac)
Supports 2.4/5GHz frequency band
Bluetooth v5.0 or later
USB Ports
Rear USB (Total 6 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)
Front USB (Total 7 ports)
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 7.1 Surround Sound High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192kHz playback
Audio Features
- Audio Shielding
- Rear optical S/PDIF out port
- Premium Japanese audio capacitors
- Dedicated audio PCB layers
- Unique de-pop circuit
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
ASUS EZ DIY
- ProCool
AURA Sync
- Addressable Gen 2 RGB headers
Software 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
ASUS EZ DIY
- ProCool
AURA Sync
- Addressable Gen 2 RGB headers
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
BIOS
256 Mb Flash ROM, UEFI AMI BIOS
Operating System
Windows® 11 ready
Windows® 10 64-bit
Form Factor
ATX Form Factor
12 inch x 9.6 inch (30.5 cm x 24.4 cm)

