ASUS TUF Gaming B450M-PRO S AMD AM4 (3rd Gen Ryzen™) Micro ATX Gaming Motherboard
Status: ASUS TUF Gaming B450M-PRO S AMD AM4: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.
Bottom line: The ASUS TUF Gaming B450M-PRO S AMD AM4 Micro ATX Gaming Motherboard: 8+2 DrMOS power stages with alloy chokes for stable 3rd Gen Ryzen power; main trade-off: micro ATX form factor with just 2 RGB headers limits expansion.
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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:
Similar: ASUS ROG Strix B550-F Gaming WiFi II AMD AM4 — $159.99 on Amazon as of 2026-10-07 04:13 UTC (price may vary).
Similar: MSI B550M PRO-VDH WiFi ProSeries Motherboard — $88.00 on Amazon as of 2026-10-06 16:15 UTC (price may vary).
Similar: MSI B550-A PRO ProSeries Motherboard — $94.99 on Amazon as of 2026-10-07 02:15 UTC (price may vary).
Pros & Cons
Pros
- ✓ 8+2 DrMOS power stages with alloy chokes for stable 3rd Gen Ryzen power
- ✓ 2.5Gb LAN with ASUS LANGuard for low-latency online gaming
- ✓ Dual M.2 NVMe slots plus USB 3.2 Gen 2 Type-A and Type-C
- ✓ BIOS Flashback updates firmware without a CPU or RAM installed
- ✓ Fanless VRM, PCH and M.2 heatsinks with Fan Xpert 2+ tuning
Cons
- ✗ Micro ATX form factor with just 2 RGB headers limits expansion
- ✗ B450 chipset lacks the PCIe 4.0 found on newer boards
- ✗ Ryzen 5000 CPUs need a BIOS update before first boot
- ✗ No onboard Wi-Fi; relies on 2.5Gb wired LAN only
Manufacturer description
The ASUS TUF GAMING B450M-PRO S comes battle-hardened with game-ready features and proven durability. Engineered with military-grade components, an upgraded power solution and a comprehensive set of cooling options, this motherboard delivers rock-solid performance with unwavering gaming stability for AMD 3rd Gen Ryzen™ CPUs.
SpecPicks Verdict
SpecPicks scored ASUS TUF Gaming B450M-PRO S AMD AM4 Micro ATX Gaming 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: The perfect pairing for 3rd Gen AMD Ryzen CPUs
- Robust Power Design: 8+2 DrMOS power stages with high-quality alloy chokes and durable capacitors, 8-pin ProCool CPU power connector to provide reliable power for the last AMD high-count-core CPUs
- Optimized Thermal Solution: Fanless VRM,PCH and M.2 heatsink, multiple hybrid fan headers and fan speed management with Fan Xpert 2+ or the UEFI Q-Fan Control utility
- High-performance Gaming Networking: 2.5 Gb LAN with ASUS LANGuard
- Best Gaming Connectivity: Supports HDMI2.0b ( 4K@60HZ) and DisplayPort 1.2 output, featuring dual M.2 slots (NVMe SSD), USB 3.2 Gen 2 Type-C & Type-A ports
- Industry-leading Gaming Audio & AI Noise Cancelling Mic Technology: High fidelity audio from a SupremeFX S1220A codec with DTS Sound Unbound and Sonic Studio III draws you deeper into the action. Communicate clearly with ASUS AI Noise Cancelling Mic technology
Full Specifications
| Brand | ASUS |
|---|---|
| USB 2.0 | 2 |
| Platform | Windows 10 |
| CPU Socket | Socket AM4 |
| Model Name | TUF GAMING B450M-PRO S |
| Unit Count | 1 Count |
| Chipset Type | AMD B450 |
| Connectivity | USB |
| Model Number | TUF GAMING B450M-PRO S |
| AMD AM4 Socket | The perfect pairing for 3rd Gen AMD Ryzen CPUs |
| Chipset Family | AMD B450 |
| Item Type Name | ASUS TUF GAMING B450M-PRO S AMD AM4 (3rd Gen Ryzen™) Micro ATX gaming motherboard (8+2 power stages, 2.5Gb LAN, BIOS FlashBack, AI Noise-Canceling Mic, USB 3.2 Gen 2 Type-A and Type-C, AURA Sync RGB) |
| Mfr Part Number | 90MB1560-M0AAY0 |
| Number of Items | 1 |
| Number of Ports | 6 |
| Total Usb Ports | 6 |
| Processor Socket | Socket AM4 |
| Total PCIe Ports | 5 |
| Total SATA Ports | 4 |
| Compatible Devices | Gaming Console |
| Full listing title | ASUS TUF Gaming B450M-PRO S AMD AM4 (3rd Gen Ryzen™) Micro ATX Gaming Motherboard (8+2 Power Stages, 2.5Gb LAN, BIOS Flashback, AI Noise-Canceling Mic, USB 3.2 Gen 2 Type-A and Type-C, Aura Sync RGB) |
Ready to buy?
Amazon shows no buyable offer for ASUS TUF Gaming B450M-PRO S AMD AM4 at the last check. A similar in-stock product is ASUS ROG Strix B550-F Gaming WiFi II AMD AM4. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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