Timetec 4GB DDR4 2133MHz PC4-17000 Non-ECC Unbuffered 1.2V CL15 1Rx8 Single Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade (4GB) at Amazon.com
Amazon.com: SHANGZHAOYUAN H511M PRO Motherboard LGA 1200 for 10th and 11th Gen Series Processors (Micro ATX, Dual-Channel DDR4, SATA 6Gbps/s, USB 3.0, NVME M.2, PCIe 3.0, Gigabit Network) : Electronics
Do motherboards that support 2100 Mhz RAM (or lower) also support 2133 Mhz RAM? - Quora
Can I put a 3000 MHZ DDR-4 RAM onto a motherboard that says that it supports DDR4-2133/2400/2800/2933/3200/3600? Does it automatically downclock to 2933 MHZ? - Quora