Reliable power stages with alloy chokes and durable capacitors support compatible Ryzen processors.
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Product description
Description and product details Overview, features, specifications, compatibility and FAQ
AM4. B550. PCIe 4.0. WIFI 5. DUAL M.2. USB-C.
ASUS Prime B550-PLUS AC-HES ATX Motherboard — Black
The ASUS Prime B550-PLUS AC-HES is a versatile AMD B550 ATX motherboard built for Ryzen 5000, 5000 G-Series, 4000 G-Series, and 3000 Series desktop processors. Its 8+1 DrMOS power design, VRM and PCH heatsinks, and Fan Xpert 2+ provide a dependable foundation for gaming, productivity, and everyday desktop builds.
Dual M.2 storage, PCIe 4.0, WiFi 5, Bluetooth, Gigabit Ethernet, rear USB 3.2 Gen 2 Type-A and Type-C, front USB-C support, ASUS OptiMem II, and Aura Sync ARGB connectivity give builders a balanced mix of speed, expansion, and customization.
8+1DrMOS power
PCIe 4.0GPU + NVMe
WiFi 5802.11ac
Four DIMM slots support up to 128GB with overclocked memory speeds dependent on CPU and memory configuration.
Install two M.2 drives, with PCIe 4.0 x4 available on the primary slot with compatible processors.
Rear USB 3.2 Gen 2 Type-A and Type-C provide fast connectivity for modern peripherals.
Built on a Solid Foundation
Reliable Ryzen Power
8+1 DrMOS
Integrated DrMOS power stages provide efficient and dependable power delivery for compatible AM4 processors.
VRM Cooling
VRM and PCH heatsinks help maintain stable operating temperatures during demanding workloads.
Fan Xpert 2+
Flexible fan controls let builders tune cooling and acoustics for their system.
5X Protection III
LANGuard, overvoltage protection, DRAM overcurrent protection, SafeSlot Core safeguards, and stainless-steel rear I/O enhance durability.
High-Speed Expansion
PCIe 4.0 + Dual M.2
PCIe 4.0 x16
The CPU-connected graphics slot supports PCIe 4.0 x16 with Ryzen 5000 and 3000 Series desktop processors.
PCIe 4.0 M.2
The primary M.2 slot supports PCIe 4.0 x4 and SATA storage with compatible Ryzen CPUs.
Second M.2
A chipset-connected M.2 slot supports PCIe 3.0 x4 and SATA devices for additional fast storage.
6× SATA
Six SATA 6Gb/s ports provide room for additional SSDs and hard drives.
Connected & Productive
WiFi 5 + Gigabit Ethernet
802.11ac WiFi
Integrated 1×1 dual-band WiFi 5 supports theoretical transfer rates up to 433.3Mbps under suitable conditions.
Gigabit LAN
Integrated 1Gb Ethernet provides a dependable wired networking option.
USB-C 10Gbps
Rear USB 3.2 Gen 2 Type-C provides up to 10Gbps connectivity for compatible devices.
Front USB-C
An internal USB 3.2 Gen 1 Type-C connector supports compatible modern PC cases.
Memory & Customization
OptiMem II + Aura Sync
ASUS OptiMem II
Optimized memory trace routing reduces crosstalk and improves memory stability, compatibility, and frequency margin.
Aura Sync
Synchronize compatible RGB and addressable Gen 2 lighting through ASUS Aura Sync.
7.1 HD Audio
Realtek ALC897/887 audio supports 7.1-channel surround sound and up to 24-bit/192kHz playback.
HDMI + DisplayPort
Onboard display outputs can be used when a compatible Ryzen processor with integrated graphics is installed.
ASUS Prime Essentials
Key Features
✓AMD AM4 socket and B550 chipset
✓Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 Series support
✓8+1 DrMOS power stages
✓4 × DDR4 DIMM slots, up to 128GB
✓DDR4 up to 4866MHz OC depending on CPU/configuration
✓ASUS OptiMem II memory routing
✓PCIe 4.0 x16 with compatible Ryzen CPUs
✓Dual M.2 with PCIe 4.0 x4 support
✓6 × SATA 6Gb/s
✓WiFi 5 802.11ac
✓Bluetooth connectivity
✓1Gb Ethernet
✓Rear USB 3.2 Gen 2 Type-A + Type-C
✓Front USB 3.2 Gen 1 Type-C header
✓Realtek ALC897/887 7.1-channel HD audio
✓Aura Sync RGB + Addressable Gen 2 headers
✓Fan Xpert 2+ cooling controls
✓5X Protection III
Versatile AM4 Platform
Perfect For
Balanced Prime Platform
A practical feature set for productivity, entertainment, and general-purpose Ryzen desktops.
PCIe 4.0 Ready
Support for modern graphics and fast Gen4 NVMe storage with compatible Ryzen processors.
Dual M.2 + 6 SATA
Build around fast NVMe storage while retaining extensive SATA capacity.
WiFi + Ethernet
Choose integrated WiFi 5 or wired Gigabit Ethernet depending on your setup.
Detailed Product Information
Technical Specifications
| Brand | ASUS |
| Series | Prime |
| Model | PRIME B550-PLUS AC-HES |
| Colour | Black / Gray |
| Socket | AMD AM4 |
| Chipset | AMD B550 |
| Form Factor | ATX — 30.5 × 24.4cm |
| CPU Support | AMD Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 Series Desktop Processors |
| Power Design | 8+1 DrMOS power stages |
| Memory | 4 × DDR4 DIMM, Dual Channel, up to 128GB |
| Memory Speed | Up to DDR4-4866 OC depending on CPU and configuration |
| Primary PCIe | PCIe 4.0 x16 with Ryzen 5000 / 3000 Series; PCIe 3.0 x16 with compatible G-Series processors |
| Additional Expansion | 1 × PCIe 3.0 x16 up to x4 + 3 × PCIe 3.0 slots operating at x1 |
| M.2 Slots | 2 |
| M.2_1 | PCIe 4.0 x4 / SATA with Ryzen 5000 / 3000 Series; PCIe 3.0 x4 / SATA with compatible G-Series |
| M.2_2 | PCIe 3.0 x4 / SATA |
| SATA | 6 × SATA 6Gb/s |
| Wireless | WiFi 5 (802.11ac), 1×1 dual-band, up to 433.3Mbps theoretical |
| Ethernet | 1Gb Ethernet |
| Rear USB | 2 × USB 3.2 Gen 2 (1 Type-A + 1 Type-C), 2 × USB 3.2 Gen 1 Type-A, 2 × USB 2.0 Type-A |
| Internal USB | Front USB 3.2 Gen 1 Type-C connector, USB 3.2 Gen 1 header, 2 × USB 2.0 headers |
| Audio | Realtek ALC897/887 7.1 Surround Sound High Definition Audio |
| Display Outputs | DisplayPort + HDMI |
| Lighting | Aura Sync RGB and Addressable Gen 2 headers |
| Cooling | VRM heatsink, PCH heatsink, hybrid fan headers, Fan Xpert 2+ |
Shop With Confidence
Why Buy From OPCBleu?
A Flexible ASUS Prime Foundation for AM4.
The Prime B550-PLUS AC-HES combines PCIe 4.0, dual M.2 storage, integrated WiFi, modern USB connectivity, and ASUS reliability features in a versatile ATX platform.
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Helpful Answers
FAQs
Which processors are compatible with the ASUS Prime B550-PLUS AC-HES?
ASUS lists support for AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series desktop processors. CPU support can depend on the installed BIOS version.
Does the motherboard support PCIe 4.0?
Yes. Ryzen 5000 and 3000 Series desktop processors can provide PCIe 4.0 x16 graphics and PCIe 4.0 x4 connectivity to the primary M.2 slot.
Does it include WiFi?
Yes. The AC-HES model includes 802.11ac WiFi 5 with 1×1 dual-band connectivity.
How many M.2 drives can be installed?
Two M.2 drives can be installed. The primary slot supports PCIe 4.0 x4 with compatible processors, while the secondary slot supports PCIe 3.0 x4.
How much DDR4 memory does it support?
Four DDR4 DIMM slots support up to 128GB, with ASUS listing overclocked memory frequencies up to DDR4-4866 depending on the CPU and configuration.
Does it have USB-C?
Yes. It provides a rear USB 3.2 Gen 2 Type-C port plus an internal USB 3.2 Gen 1 Type-C connector for compatible cases.
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