The ASUS ROG Ally SSD is a solid-state drive in the M.2 2230 form factor, launched on May 9th, 2022. It is available in capacities ranging from 512 GB to 1 TB. This page reports specifications for the 512 GB variant. With the rest of the system, the ASUS ROG Ally SSD interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the 20-82-10081-A1 Polaris MP16+ from WD, a DRAM cache is not available. ASUS has installed 112-layer TLC NAND flash on the ROG Ally SSD, the flash chips are made by Toshiba. Please note that this SSD is sold in multiple variants with different NAND flash or controller, which could affect performance, the "Notes" section at the end of this page has more info. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are handled more quickly. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The ROG Ally SSD is rated for sequential read speeds of up to 5,000 MB/s and 4,000 MB/s write; random IO reaches 460K IOPS for read and 800K for writes.
The SSD's price at launch is unknown. The TBW rating for the ASUS ROG Ally SSD 512 GB is unknown, too.