The Kioxia FL6 is a solid-state drive in the U.3 form factor, launched on September 2nd, 2021. It is available in capacities ranging from 800 GB to 3 TB. This page reports specifications for the 800 GB variant. With the rest of the system, the Kioxia FL6 interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the TC58NC1132GTC (88SS1132) from Kioxia-Marvell, a DRAM cache chip is available. Kioxia has installed 96-layer SLC NAND flash on the FL6, the flash chips are made by Toshiba. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The FL6 is rated for sequential read speeds of up to 6,200 MB/s and 6,200 MB/s write; random IO reaches 1480K IOPS for read and 360K for writes.
The SSD's price at launch is unknown. The warranty length is set to five years, which is an excellent warranty period. Kioxia guarantees an endurance rating of 87600 TBW, an extremely high value, making this drive fit for demanding enterprise applications.