The VisionTek DLX4 Pro is a solid-state drive in the M.2 2280 form factor, launched on May 17th, 2023. It is available in capacities ranging from 512 GB to 4 TB. This page reports specifications for the 1 TB variant. With the rest of the system, the VisionTek DLX4 Pro interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the IG5236 (Rainier) from InnoGrit, a DRAM cache chip is available. VisionTek has installed TLC NAND flash on the DLX4 Pro, the flash chips are made by Unknown. 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 DLX4 Pro is rated for sequential read speeds of up to 7,430 MB/s and 5,935 MB/s write; random IO reaches 390K IOPS for read and 1000K for writes.
At its launch, the SSD was priced at 150 USD. The warranty length is set to five years, which is an excellent warranty period. VisionTek guarantees an endurance rating of 500 TBW, a relatively low value compared to other SSDs.