ASUS Prime B550-PLUS AC-HES AMD AM4 (3rd Gen Ryzen) ATX Motherboard
Bottom line: The ASUS Prime B550-PLUS AC-HES AMD AM4 ATX Motherboard ($98.99 on Amazon as of 2026-10-06): 8+1 DrMOS power stages with alloy chokes for stable high-core-count Ryzen CPUs; main trade-off: AM4 socket only — no upgrade path to AM5 Ryzen 7000+.
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Complete build that uses this part: Ryzen 7 5700X + RTX 3060 12GB: The Best Value 1080p Combo in 2026 (Motherboard) — see the full parts list for the rest of the build.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 8+1 DrMOS power stages with alloy chokes for stable high-core-count Ryzen CPUs
- ✓ Dual M.2 slots plus PCIe 4.0 for fast NVMe and next-gen GPU bandwidth
- ✓ Onboard WiFi 5 and 1Gb Ethernet — no add-in network card needed
- ✓ Rear USB 3.2 Gen 2 Type-C plus front Gen 1 Type-C header
Cons
- ✗ AM4 socket only — no upgrade path to AM5 Ryzen 7000+
- ✗ WiFi 5 onboard, not the faster WiFi 6 or 6E
- ✗ Capped at 1Gb Ethernet, no 2.5Gb LAN
- ✗ B550 chipset offers less OC headroom than X570
Manufacturer description
Powered by 3rd Gen AMD® Ryzen™ processors, thePrime B550-PLUS AC-HES delivers fast transfer speeds with PCIe 4.0, WiFi 5, and 1Gb LAN. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the ASUS Prime B550-PLUS AC-HES provides mainstream users and DIY PC builders with a perfect all-around foundation via intuitive software and firmware features.
SpecPicks Verdict
SpecPicks scored ASUS Prime B550-PLUS AC-HES AMD AM4 ATX Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the motherboards category. Compare with similarly-priced alternatives in the motherboards category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 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
Full Specifications
| Brand | ASUS |
|---|---|
| USB 2.0 | 4 |
| Platform | Windows |
| CPU Model | Ryzen 3 |
| CPU Socket | Socket TR4 |
| Model Name | PRIME B550-PLUS AC-HES |
| Chipset Type | AM4 |
| 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 |
| Model Number | PRIME B550-PLUS AC-HES |
| 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 |
| Compatibility | PC |
| Chipset Family | AMD |
| Mfr Part Number | PRIME B550-PLUS AC-HES |
| Number of Ports | 7 |
| Total Usb Ports | 6 |
| Processor Socket | Socket TR4 |
| Total PCIe Ports | 7 |
| Total SATA Ports | 6 |
| 5X Protection III | all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O |
| Compatible Devices | Personal Computer |
| Full listing title | ASUS Prime B550-PLUS AC-HES AMD AM4 (3rd Gen Ryzen) ATX Motherboard (Dual M.2, PCIe4.0, WIFI5, 1Gb Ethernet, SATA 6 Gbps, USB 3.2 Gen 2 Type-C, Front USB 3.2 Gen 1 Type-C and CEC Tier II Ready) |
Ready to buy?
ASUS Prime B550-PLUS AC-HES AMD AM4 (3rd Gen Ryzen) ATX Motherboard (Dual M.2, PCIe4.0, WIFI5, 1Gb Ethernet, SATA 6 Gbps, USB 3.2 Gen 2 Type-C, Front USB 3.2 Gen 1 Type-C and CEC Tier II Ready) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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