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 2 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 processed 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 7,415 MB/s and 6,800 MB/s write; random IOPS reach up to 730K for reads and 1100K for writes.
At its launch, the SSD was priced at 300 USD. The warranty length is set to five years, which is an excellent warranty period. VisionTek guarantees an endurance rating of 1000 TBW, a relatively low value compared to other SSDs.