Answered: Can I use one CPU in a dual processor motherboard?
Refurbished: X9DBL-iF For Supermicro Two-way Server Motherboard LGA 1356 Intel C602 DDR3 Xeon processor E5-2400 and E5-2400 v2 Fully Tested - Newegg.com
Amazon.com: MSI PRO Z790-P WiFi ProSeries Motherboard (Supports 12th/13th Gen Intel Processors, LGA 1700, DDR5, PCIe 5.0, M.2, 2.5Gbps LAN, USB 3.2 Gen2, Wi-Fi 6E, ATX) : Electronics
Gigabyte GA-7PESH1 Visual Inspection, Board Features - Gigabyte GA-7PESH1 Review: A Dual Processor Motherboard through a Scientist's Eyes
Amazon.com: ASUS WS C621E Sage Extreme Power Intel® Xeon® Processor Workstation Motherboard for Two-way XEON CPU performance, with U.2, M.2 connectors, dual Gb LAN, USB 3.1 Type-C & Type-A, 10 x SATA
GIGABYTE Dual-Socket Ampere Motherboard and Servers Announced - StorageReview.com
EVGA's dual-CPU Classified SR-2 motherboard put to the test: worth the money if you know what you're doing | Engadget
PRIME Z690-P WIFI|Motherboards|ASUS Global
GIGABYTE Presents Its Latest Dual Socket Workstation Motherboard | The ChannelPro Network
Something You Need to Know About Dual CPU Motherboard