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Main image of ASUS Prime B550-PLUS AC-HES AMD AM4 (3rd Gen Ryzen) ATX motherboard (dual M.2, PCIe 4.0, WIFI 5, 1 Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-C, front USB 3.2 Gen 1 Type-C

Alt view image 2 of 4 - ASUS Prime B550-PLUS AC-HES AMD AM4 (3rd Gen Ryzen) ATX motherboard (dual M.2, PCIe 4.0, WIFI 5, 1 Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-C, front USB 3.2 Gen 1 Type-C

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ASUS Prime B550-PLUS AC-HES AMD AM4 (3rd Gen Ryzen) ATX motherboard (dual M.2, PCIe 4.0, WIFI 5, 1 Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-C, front USB 3.2 Gen 1 Type-C

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Option: PRIME B550-PLUS AC-HES

PRIME B550-PLUS
PRIME B550M-A/CSM
PRIME B550M-K
ROG STRIX B550-E GAMING
ROG STRIX B550-F GAMING
ROG STRIX B550-F GAMING (WI-FI)
ROG STRIX B550-F GAMING WIFI II
ROG STRIX B550-I GAMING
TUF GAMING B550-PLUS
TUF GAMING B550M-PLUS
TUF GAMING B550M-PLUS (WI-FI)
TUF GAMING B550-PLUS WIFI II
PRIME B550-PLUS AC-HES
PRIME B550M-A WIFI II

AMD AM4 Socket and PCIe 4.0: The perfect pairing for 3rd Gen AMD Ryzen CPUs
Connectivity: Dual M.2, PCIe 4.0, WIFI 5, 1 Gb Ethernet, rear USB 3.2 Gen 2 Type-A and Type-C, front USB 3.2 Gen 1 Type-A and Type-C
Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2 utility
5X Protection III: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O
Boosted Memory Performance: ASUS OptiMem proprietary trace layout allows memory kits to operate at higher frequencies with lower voltages to maximize system performance.
Enhanced Power Solution: 8+1 DrMOS power stages with high-quality alloy chokes and durable capacitors to provide reliable power for the last AMD high-count-core CPUs
Aura Sync RGB: Synchronizable LED effects across a wide range of compatible PC gear with an RGB LED header and Addressable Gen 2 RGB header for greater customization

Overview

Specs

Reviews (1,958)

Best Seller Ranking	#45 in AMD Motherboards

Model
Brand	ASUS
Model	PRIME B550-PLUS AC-HES
Part Number	PRIME B550-PLUS AC-HES

Supported CPU
CPU Socket Type	AM4
CPU Type	Ryzen 3000 Series / Ryzen 4000G Series / Ryzen 5000 Series / Ryzen 5000G Series

Chipsets
Chipset	AMD B550

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	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
Maximum Memory Supported	128GB
Channel Supported	Dual Channel
ECC Supported	Yes
Buffer Supported	Un-buffered

Expansion Slots
PCI Express 4.0 x16	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)
PCI Express 3.0 x16	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 Devices
Serial ATA (SATA)	6 x SATA 6Gb/s
M.2	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) *M.2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.
SATA RAID	0/1/10

Onboard Audio
Audio Channels	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

Onboard LAN
Max LAN Speed	1Gbps
Wireless LAN	Wi-Fi 802.11 ac
Bluetooth	Bluetooth 5.0

Rear Panel Ports
Back 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
Onboard 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
Other 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 Storage related 2 x M.2 slots (Key M) 6 x SATA 6Gb/s 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

Physical Spec
Form Factor	ATX
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector

Software Feature
Windows 11	Supported

Features
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 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

Packaging
Package Contents	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

Additional Information
First Listed on Newegg	June 19, 2024

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ASUS Prime B550-PLUS AC-HES AMD AM4 (3rd Gen Ryzen) ATX motherboard (dual M.2, PCIe 4.0, WIFI 5, 1 Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-C, front USB 3.2 Gen 1 Type-C

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ASUS Prime B550-PLUS AC-HES AMD AM4 (3rd Gen Ryzen) ATX motherboard (dual M.2, PCIe 4.0, WIFI 5, 1 Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-C, front USB 3.2 Gen 1 Type-C

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