ASRock
B450M STEEL LEGEND Socket AM4/ AMD Promontory B450/ DDR4/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/ MicroATX Motherboard
*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.
Bottom line: The B450M STEEL LEGEND Socket AM4/ AMD Promontory B450/ DDR4/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/ MicroATX Motherboard is a niche pick — read recent reviews before buying in the retro motherboards category, priced around $69.50. Read recent reviews carefully before committing.
ASRock B450M STEEL LEGEND Socket AM4/ AMD Promontory B450/ DDR4/ Quad Crossfire/ SATA3&USB3. 1/ M. 2/ Age/ Micro ATX Motherboard. XXL Aluminum Alloy Heatsink.
SpecPicks Verdict
SpecPicks classifies ASRock B450M STEEL LEGEND Socket AM4/ AMD Promontory B450/ DDR4/… as a niche pick — read recent reviews before buying in the retro motherboards category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. ASRock's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for retro 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Country Of Origin : China
- ✓ Backed by ASRock's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Country Of Origin : China
- Slots: 3X Pci-Express 3.0 X16 Slots (One Runs At X8, One Runs At X4), 3X Pci Express 2. 0 X16 Slots (Run At X4), 1X Pci Express 2. 0 X1 Slot
- Multi-Graphics: Supports Amd Quad Crossfire And Crossfire Technology. Os - Microsoft Windows 10 64-Bit
- Audio: Realtek Alc892 7. 1-Channel High Definition Audio Codec With Content Protection
Full Specifications
| Audio | Realtek Alc892 7. 1-Channel High Definition Audio Codec With Content Protection |
|---|---|
| Brand | ASRock |
| Slots | 3X Pci-Express 3.0 X16 Slots (One Runs At X8, One Runs At X4), 3X Pci Express 2. 0 X16 Slots (Run At X4), 1X Pci Express 2. 0 X1 Slot |
| USB 2.0 | 2 |
| Platform | Windows 10 |
| CPU Socket | Socket AM4 |
| Model Name | B450M STEEL LEGEND |
| Chipset Type | AMD B450 |
| Model Number | B450M STEEL LEGEND |
| Built-In Media | - Quick Installation Guide, Support CD, I/O Shield |
| Multi-Graphics | Supports Amd Quad Crossfire And Crossfire Technology. Os - Microsoft Windows 10 64-Bit |
| Mfr Part Number | B450M STEEL LEGEND |
| Number of Ports | 18 |
| Total Usb Ports | 10 |
Ready to buy?
ASRock B450M STEEL LEGEND Socket AM4/ AMD Promontory B450/ DDR4/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/ MicroATX Motherboard is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.
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