There are broken pins. It works in one channel. The socket needs to be replaced.
eBay
ZSUS A320 Motherboard Set Kit With Ryzen R5 2600/3600 CPU DDR4 1*16GB 3200MHz memory AM4 Motherboard M.2 NVME
Aliexpress UK
The Gigabyte Z790 AORUS Elite AX-W ATX Motherboard is a high-performance motherboard designed specifically for gaming enthusiasts. Featuring an ATX form factor and support for Intel CPUs, this motherboard boasts 4 memory slots with DDR5 memory type for optimal performance. With HDMI input/output ports, this motherboard is most suitable for gamers looking to build a powerful gaming rig that delivers smooth gameplay and immersive visuals. The AORUS Elite AX-W model is known for its reliability and performance, making it a top choice for gamers seeking a high-quality motherboard for their gaming setup.
eBay
QIYIDA X99 Motherboard Set Kit Xeon LGA2011-3 E5 2650 V4 2pcs*8gb=16GB DDR4 RAM USB PCI 3.0 NVME M.2 SATA M-ATX
Aliexpress UK
LGA1700 board in excellent condition, no original box or accessories
eBay
ENVINDA X99 Gaming Motherboard Kit Intel Xeon E5-2680 V4 Processor 16GB DDR4 2133MHz Dual Channel ECC RAM M.2 NVMe Support PC
Aliexpress UK
The best Z790 Mini-ITX motherboard you can buy. Open box like new condition, WiFi antenna included. Pre-installed I/O Shield: Better EMI protection and more convenience for installation. High Quality PCB: 12-layer PCB made by server grade level material.
eBay
ENVINDA DDR4 PC RAM Memoria 8GB 16GB 3200MHz DIMM Desktop Computer Memory Rams No Support AMD Motherboard
Aliexpress UK
LGA1700 board in working condition, has some slight bent pins which have been realigned rested and working.
eBay
X99 Motherboard Set With LGA2011-3 Xeon E5 2650 V3 CPU DDR4 16GB (2*8GB) 2133MHZ RAM Memory SOYO Computer Components Desktop PC
Aliexpress UK
LGA1700 board in great working condition
eBay
JGINYUE B450M Motherboard Kit R5 5500 DDR4 Dual Channel Memory Max 64GB RAM 2 M.2 M-ATX B450M GAMING Board
Aliexpress UK
Motherboard screws and WI-FI aerial are included.
eBay
SOYO White X99 Motherboard Kit with E5-2650 V4 CPU and DDR 2133MHZ 8GB*2=16GB RAM LGA2011-3 C612 Chipset Dual Channel DDR4 M.2
Aliexpress UK
LGA1700 board in working condition, no accessories or box, but will be sent in suitable box
eBay
Gaming Motherboard Kit SOYO X99 Dual CPU lntel Xeon E5 2680 V3*2 DDR4 32GB (2*16GB) LGA2011-3 M.2 Desktop Computer components
Aliexpress UK