installing Gen4 NVME on a Gen3 Motherboard

On the it says PCIESATA does that mean I cant put gen 4 there? At the moment I have a WD PC SN530 PCIe Gen3 x4 NVMe installed on slot

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genie megaways slot free play This drive fits into the 2280 slot found in your desktop or notebook and utilizes PCIe x4 NVMe technology for reliable performance suitable for

generous jack slot Hi, I have a 2018 Mac mini and a Thunderbolt3 NVME SSD enclosure, I notice that the Gen 4 NVME SSD is getting cheaper and cheaper,