The Micron 9400 Max is a solid-state drive in the U.3 form factor, launched on January 9th, 2023. It is available in capacities ranging from 13 TB to 26 TB. This page reports specifications for the 26 TB variant. With the rest of the system, the Micron 9400 Max interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the PM8628C1-F3EI MorrisTown from Microchip Flashtech Microsemi, a DRAM cache chip is available. Micron has installed 176-layer TLC NAND flash on the 9400 Max, the flash chips are made by Micron. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The 9400 Max is rated for sequential read speeds of up to 7,000 MB/s and 7,000 MB/s write; random IOPS reach up to 1500K for reads and 550K for writes.
The SSD's price at launch is unknown. The warranty length is set to five years, which is an excellent warranty period. Micron guarantees an endurance rating of 282600 TBW, a very high value, making this drive a good choice for write-intensive enterprise applications.