In the race to build the largest SSD, Kioxia (formerly known as Toshiba Memory) is playing catch up with Samsung Semiconductor as it brings the CM6 and PM6 to market. 

Both are 2.5-inch 15mm drives, with the former sporting a PCIe 4.0 x4 interface and the latter a dual-port 24G SAS (Serial-Attached SCSI) – a popular connector usually found in data centers and servers that delivers a staggering 24Gbps.

Source Article