Gigabyte's Aorus Gen5 12000 pretty much spells out the details in the model name. To go into a bit more detail, Gigabyte's latest SSD pairs 232-layer 3D triple-level cell (TLC) NAND flash memory chips (presumably from Micron) with Phison's enthusiast-grade...

"Internally, the Addlink S91 utilizes a Phison E21 controller, a well-established controller seen in many other drives. The NAND flash technology employed is 176-layer QLC from Micron. Due to space limitations, a separate DRAM cache chip is not installed." Source: ...

"The Rocket Plus 4 uses a PCIe Gen 4×4 interface with a Phison PS50180-E18 flash controller as well as an external DDR4 cache that helps improve sustained performance. Moreover, the 3D TLC NAND on the Rocket Plus 4 provides the perfect balance of performance and...

"With a 1,000 MB/s PCMark 10 Storage Test average bandwidth, Phison showcases the world's fastest consumer SSD at Flash Memory Summit 2023. Not only that, but this Phison and Frore Systems collaboration makes it the world's fastest consumer SSD with over 1,000 MB/s...