AMD B550 motherboards with M2 PCIe 4.0 support would launch June 16th
90MB19X0-M0EAY0, Asus AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura
Amazon.com: GIGABYTE B550 Gaming X (AM4 AMD/B550/ATX/Dual M.2/SATA 6Gb/s/USB 3.2 Gen 2/PCIe 4.0/HDMI/DVI/USB 3.1 Gen 2/DDR4/Gaming Motherboard) : Everything Else
M.2 & PCIe Lane Configurations for B550 Unify / Unify-X
Amazon.com: MSI MPG B550 GAMING PLUS Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX) : Electronics
MSI B550-A PRO ProSeries Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX) freeshipping - Pro-Distributing
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ASRock > B550M-ITX/ac
Best B550 Motherboards: AMD's More Affordable PCIe 4.0 Option | Tom's Hardware
Amazon.com: MSI B550-A PRO ProSeries Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX) : Electronics
B550 motherboard guide: ASUS and AMD bring PCI Express 4.0 to everyone with ROG Strix, TUF Gaming, and Prime - Edge Up
B550 VISION D (rev. 1.0) Key Features | Motherboard - GIGABYTE U.S.A.
AMD's B550 motherboards are finally here, bringing PCIe 4.0 to the masses | Rock Paper Shotgun
Buyer Beware: Certain AMD Ryzen B550 boards are stripping off PCIe 4.0 for only PCIe 3 - Neowin
Can someone explain PCIe 4.0 lanes to me (B550 vs. X570)? : r/Amd
M.2 & PCIe Lane Configurations for B550 Unify / Unify-X
B550 AORUS PRO V2 Motherboard｜AORUS - GIGABYTE Global
MSI MPG B550 GAMING EDGE WIFI Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, AX Wi-Fi 6, HDMI/DP, ATX, AMD Ryzen 5000 Series processors)- PartsXP
GIGABYTE AMD B550 AORUS Motherboard with Twin 12+2 Phases Digital VRM, Enlarged Surface Heatsinks, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 x4 M.2 with One Thermal Guard, 2.5GbE LAN, RGB FUSION 2.0,
PRO B550-VC Proseries Motherboard (AMD AM4, DDR4, Pcie 4.0, SATA 6Gb/S, M.2, USB | eBay
ASUS ROG STRIX B550-E GAMING AMD 3rd gen Ryzen - PCIe® 4.0 - WiFi 6 - 2.5G LAN | Exxact
MSI B550-A PRO ATX AM4 PCIe 4.0 Motherboard
GIGABYTE B550 VISION D-P AM4 AMD B550 ATX Motherboard with Dual M.2, SATA 6Gb/s, USB 3.2 Type-C with Thunderbolt 3, WIFI 6, Dual 2.5GbE LAN, PCIe 4.0 - Newegg.com
MSI PRO B550-VC ProSeries Motherboard AMD AM4 DDR4 - NWCA Inc.
Amazon.com: GIGABYTE B550 UD AC (AM4/ AMD/ B550/ ATX/Dual M.2/ SATA 6Gb/s/USB 3.2 Gen 2/ Intel 802.11a/b/g/n/ac/Realtek GbE LAN/PCIe 4.0/ Motherboard) : Electronics
Review: B550 Aorus Pro - Mainboard - HEXUS.net
ASUS ROG STRIX B550-A GAMING AMD AM4 - PCIe 4.0 - 2.5Gb LAN - BIOS Flash - Dual M.2 - RGB Aura Sync | Exxact
ASUS PRIME B550-PLUS PCIe 4.0 and 1Gb LAN and Powered by 3rd Gen AMD® Ryzen™ processors delivering next-generation speeds | SabrePC
Gigabyte's B550 Motherboard Is PCIe 4.0 Heaven | Tom's Hardware
![LINKUP - Ultra PCIe 4.0 X16 Riser Cable [RTX3090 RX6900XT x570 B550 Z590 Tested] Shielded Extreme High-Speed Vertical Mount Gaming PCI Express Gen4?Left Angle Socket {5cm} 3.0 Gen3 Compatible - Newegg.com](https://c1.neweggimages.com/productimage/nb640/A7U1D2107311ZWII.jpg "LINKUP - Ultra PCIe 4.0 X16 Riser Cable [RTX3090 RX6900XT x570 B550 Z590 Tested] Shielded Extreme High-Speed Vertical Mount Gaming PCI Express Gen4?Left Angle Socket {5cm} 3.0 Gen3 Compatible - Newegg.com")