ASRock
ASRock B450M STEEL LEGEND Socket AM4/ AMD Promontory B450/ DDR4/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/ MicroATX Motherboard
Bottom line: The ASRock B450M STEEL LEGEND Socket AM4/ AMD Promontory B450/ DDR4/ Quad: AM4 socket on AMD's B450 chipset for Ryzen desktop builds; main trade-off: B450 is an older AMD chipset; listed slots are PCIe 3.0 and 2.0, not 4.0.
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Pros & Cons
Pros
- ✓ AM4 socket on AMD's B450 chipset for Ryzen desktop builds
- ✓ M.2 slot plus SATA3 ports for SSD and hard drive storage
- ✓ XXL aluminum alloy heatsink, per ASRock's listing
- ✓ Realtek ALC892 7.1-channel audio and Gigabit Ethernet built in
Cons
- ✗ B450 is an older AMD chipset; listed slots are PCIe 3.0 and 2.0, not 4.0
- ✗ Listed slot counts look inconsistent for MicroATX; confirm on ASRock's spec page
- ✗ Newer Ryzen CPUs may need a BIOS update; check ASRock's CPU support list first
- ✗ Realtek ALC892 is an entry-level audio codec, not aimed at audiophile setups
Manufacturer description
The ASRock B450M Steel Legend is a MicroATX motherboard built on AMD's B450 chipset and the AM4 socket. It gives you a compact base for a Ryzen desktop build. It supports DDR4 memory and has an M.2 slot plus SATA3 ports, so you can run a fast SSD for your OS and games alongside larger drives for bulk storage. For connectivity it has USB 3.1 and Gigabit Ethernet. Onboard sound comes from a Realtek ALC892 7.1-channel HD audio codec with content protection. ASRock fits an XXL aluminum alloy heatsink, and the listing says the board supports AMD Quad CrossFireX and CrossFire multi-GPU setups on…
SpecPicks Verdict
SpecPicks scored ASRock B450M STEEL LEGEND Socket AM4/ AMD Promontory B450/ DDR4/… using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. ASRock's retro motherboards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. 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 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Which processors work with the ASRock B450M Steel Legend?
It uses the AMD AM4 socket with the B450 chipset. CPU support depends on the BIOS version, so check ASRock's official CPU support list for your exact Ryzen model before buying.
Can I install an M.2 SSD on this motherboard?
Yes. The board has an M.2 slot as well as SATA3 ports. Check ASRock's manual for the supported M.2 drive lengths and interface modes.
What type of RAM does the B450M Steel Legend use?
It uses DDR4 memory. For maximum capacity and supported speeds, check ASRock's memory QVL and the product spec page.
What audio and networking does it have built in?
Onboard audio uses a Realtek ALC892 7.1-channel HD audio codec with content protection, and the listing includes Gigabit Ethernet for wired networking.
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 Items | 1 |
| Number of Ports | 18 |
| Total Usb Ports | 10 |
| Processor Socket | Socket AM4 |
| Total PCIe Ports | 7 |
| Total SATA Ports | 4 |
| Country Of Origin | China |
| Compatible Devices | Personal Computer |
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 vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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