The Micron 9550 Pro is a solid-state drive in the U.2 form factor, launched on July 23rd, 2024. It is available in capacities ranging from 3.8 TB to 31 TB. This page reports specifications for the 31 TB variant. With the rest of the system, the Micron 9550 Pro interfaces using a PCI-Express 5.0 x4 connection. The actual SSD controller chip used it unknown, we'll update this page when we find out more. , a DRAM cache chip is available. Micron has installed 232-layer TLC NAND flash on the 9550 Pro, the flash chips are made by Micron. Thanks to support for the fast PCI-Express 5.0 interface, performance is excellent. The 9550 Pro is rated for sequential read speeds of up to 14,000 MB/s and 7,600 MB/s write; random IO reaches 2800K IOPS for read and 380K 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 56064 TBW, a high value.