GIGABYTE's PCIe 4.0 SSD Uses 77g of Copper Due to 8W TDP, up to 2TB
Amazon.com: INLAND Performance SSD 1TB PCIe 4.0 M.2 Internal Solid-State Drive NVMe Gen4 x 4 with DRAM Up to 5,000 MB/s, 1,800 TBW 3D TLC NAND : Electronics
What is the difference between PCIe Gen 3 and PCIe Gen 4? - Kingston Technology