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 1 TB 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 Kioxia. 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 processed 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 5,150 MB/s and 4,900 MB/s write; random IOPS reach up to 740K for reads and 800K for writes.
The SSD's price at launch is unknown. The TBW rating for the ASUS ROG Ally SSD 1 TB is unknown, too.