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ASRock B850 Steel Legend WiFi vs ASUS Prime B850-Plus WiFi: Comparison
What is the difference between ASRock B850 Steel Legend WiFi and ASUS Prime B850-Plus WiFi?
Start with m.2 slots, because it is the widest measured gap between them: ASRock B850 Steel Legend WiFi 4 against ASUS Prime B850-Plus WiFi 3, 25% in favour of ASRock B850 Steel Legend WiFi. They differ on rear usb 2.0 ports too, 4 on the ASRock B850 Steel Legend WiFi versus 2 on the ASUS Prime B850-Plus WiFi. Vcore power stages is not the same on both, 14 on the ASRock B850 Steel Legend WiFi versus 5 on the ASUS Prime B850-Plus WiFi. There is a split on eps 12v configuration as well, Two 8-pin on the ASRock B850 Steel Legend WiFi versus 8-pin plus 4-pin on the ASUS Prime B850-Plus WiFi.
Who each one is for
Buy the ASRock B850 Steel Legend WiFi for builders who want four M.2 slots at a B-series price and mainstream AM5 builds with Steel Legend styling preference, though it is not built for enthusiasts who need X870-level chipset lanes and builds needing dual LAN. it is the wrong buy for builds that need more than three M.2 slots. It is equally the pick for budget AM5 builders who still want PCIe 5.0 GPU support and Wi-Fi 6E. It is the wrong buy for heavy overclockers who need a stronger VRM than this board's mainstream design.
What ASRock B850 Steel Legend WiFi and ASUS Prime B850-Plus WiFi have in common
Everything else lines up. Chipset, socket, memory slots, max memory and form factor read the same on both, so those are not worth weighing. They match on 13 further specifications as well.
Frequently asked questions
Do the ASRock B850 Steel Legend WiFi and ASUS Prime B850-Plus WiFi differ on m.2 slots onboard?
Yes. M.2 Slots Onboard reads 4 on the ASRock B850 Steel Legend WiFi versus 3 on the ASUS Prime B850-Plus WiFi.
Is the Platform the same on the ASRock B850 Steel Legend WiFi and ASUS Prime B850-Plus WiFi?
It is. Both are listed at AMD, so it is not a reason to pick one over the other.
Specs and benchmarks
Platform
- ASRock B850 Steel Legend WiFi
- AMD
- ASUS Prime B850-Plus WiFi
- AMD
Model Number
- ASRock B850 Steel Legend WiFi
- B850 Steel Legend WiFi
- ASUS Prime B850-Plus WiFi
- Prime B850-Plus WiFi
Socket
- ASRock B850 Steel Legend WiFi
- AMD Ryzen 9000 / 8000 / 7000 series
- ASUS Prime B850-Plus WiFi
- AMD Ryzen 9000 / 8000 / 7000 series
Form Factor
- ASRock B850 Steel Legend WiFi
- ATX
- ASUS Prime B850-Plus WiFi
- ATX
Chipset
- ASRock B850 Steel Legend WiFi
- B850
- ASUS Prime B850-Plus WiFi
- B850
Newest CPU Family Supported
- ASRock B850 Steel Legend WiFi
- Ryzen 9000
- ASUS Prime B850-Plus WiFi
- Ryzen 9000
Memory Type
- ASRock B850 Steel Legend WiFi
- 4x DDR5 DIMM, up to 256GB, up to 8000+ MT/s (OC)
- ASUS Prime B850-Plus WiFi
- 4x DDR5 DIMM, up to 256GB, up to 8000+ MT/s (OC)
Oldest CPU Family Supported
- ASRock B850 Steel Legend WiFi
- Ryzen 7000
- ASUS Prime B850-Plus WiFi
- Ryzen 7000
Memory Slots
- ASRock B850 Steel Legend WiFi
- 4
- ASUS Prime B850-Plus WiFi
- 4
Max Memory
- ASRock B850 Steel Legend WiFi
- 256 GB
- ASUS Prime B850-Plus WiFi
- 256 GB
M.2 Slots
- ASRock B850 Steel Legend WiFi
- 4Best
- ASUS Prime B850-Plus WiFi
- 3-25%
PCIe 5.0 Support
- ASRock B850 Steel Legend WiFi
- Yes
- ASUS Prime B850-Plus WiFi
- Yes
Wi-Fi Onboard
- ASRock B850 Steel Legend WiFi
- Yes
- ASUS Prime B850-Plus WiFi
- Yes
Max Rated Memory Speed
- ASRock B850 Steel Legend WiFi
- 8000 MT/s
- ASUS Prime B850-Plus WiFi
- 8000 MT/s
ECC Memory Support
- ASRock B850 Steel Legend WiFi
- Unbuffered ECC
- ASUS Prime B850-Plus WiFi
- None
M.2 Slots Onboard
- ASRock B850 Steel Legend WiFi
- 4
- ASUS Prime B850-Plus WiFi
- 3
M.2 PCIe 5.0 Slots
- ASRock B850 Steel Legend WiFi
- 1
- ASUS Prime B850-Plus WiFi
- 1
M.2 PCIe 4.0 Slots
- ASRock B850 Steel Legend WiFi
- 3
- ASUS Prime B850-Plus WiFi
- 2
SATA Ports
- ASRock B850 Steel Legend WiFi
- 4
- ASUS Prime B850-Plus WiFi
- 4
Primary Graphics Slot Gen
- ASRock B850 Steel Legend WiFi
- PCIe 5.0
- ASUS Prime B850-Plus WiFi
- PCIe 5.0
Rear USB 10Gbps Ports
- ASRock B850 Steel Legend WiFi
- 4
- ASUS Prime B850-Plus WiFi
- 4
Rear USB 5Gbps Ports
- ASRock B850 Steel Legend WiFi
- 3
- ASUS Prime B850-Plus WiFi
- 2
Rear USB 2.0 Ports
- ASRock B850 Steel Legend WiFi
- 4
- ASUS Prime B850-Plus WiFi
- 2
Vcore Power Stages
- ASRock B850 Steel Legend WiFi
- 14
- ASUS Prime B850-Plus WiFi
- 5
EPS 12V Configuration
- ASRock B850 Steel Legend WiFi
- Two 8-pin
- ASUS Prime B850-Plus WiFi
- 8-pin plus 4-pin
Max Ethernet Speed
- ASRock B850 Steel Legend WiFi
- 2.5 Gbps
- ASUS Prime B850-Plus WiFi
- 2.5 Gbps
Ethernet Port Count
- ASRock B850 Steel Legend WiFi
- 1
- ASUS Prime B850-Plus WiFi
- 1
Wi-Fi Standard
- ASRock B850 Steel Legend WiFi
- Wi-Fi 7
- ASUS Prime B850-Plus WiFi
- Wi-Fi 6E
Bluetooth Version
- ASRock B850 Steel Legend WiFi
- 5.4
- ASUS Prime B850-Plus WiFi
- 5.3
Audio Codec
- ASRock B850 Steel Legend WiFi
- Realtek ALC4082, Nahimic, 7.1-channel
- ASUS Prime B850-Plus WiFi
- Realtek 7.1 Surround Sound HD Audio CODEC
Expansion
- ASRock B850 Steel Legend WiFi
- PCIe 5.0 x16 + PCIe 4.0 x16 (x4)
- ASUS Prime B850-Plus WiFi
- PCIe 5.0 x16 + PCIe 4.0 x16 (x4) + 2x PCIe 3.0 x16 (x1)
Connectivity
- ASRock B850 Steel Legend WiFi
- USB 3.2, Nahimic audio software
- ASUS Prime B850-Plus WiFi
- USB 10Gbps, BIOS FlashBack
Networking
- ASRock B850 Steel Legend WiFi
- 2.5G LAN, Wi-Fi 7
- ASUS Prime B850-Plus WiFi
- 2.5GbE LAN, Wi-Fi 6E, Bluetooth 5.3
Special Features
- ASRock B850 Steel Legend WiFi
- 4x M.2 (1x Gen5, 3x Gen4)
- ASUS Prime B850-Plus WiFi
- 3x M.2, AI Cooling, Aura Sync
Which one should you pick?
Choose ASRock B850 Steel Legend WiFi if you want the higher memory slots (4 vs 4), the higher max memory (256 GB vs 256 GB) and the higher M.2 slots (4 vs 3).
Choose ASUS Prime B850-Plus WiFi if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | ASRock B850 Steel Legend WiFi | ASUS Prime B850-Plus WiFi |
|---|---|---|
| Amazon | View on Amazon | View on Amazon |
| Newegg | View on Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.




