The PNY XLR8 CS3140 is a solid-state drive in the M.2 2280 form factor, launched on January 11th, 2021. It is available in capacities ranging from 1 TB to 4 TB. This page reports specifications for the 2 TB variant. With the rest of the system, the PNY XLR8 CS3140 interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the PS5018-E18-41 from Phison, a DRAM cache chip is available. PNY has installed 96-layer TLC NAND flash on the XLR8 CS3140, the flash chips are made by Micron. 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 absorbed more quickly. The cache is sized at 200 GB, once it is full, writes complete at 1600 MB/s. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The XLR8 CS3140 is rated for sequential read speeds of up to 7,500 MB/s and 6,850 MB/s write.
At its launch, the SSD was priced at 300 USD. The warranty length is set to five years, which is an excellent warranty period. PNY guarantees an endurance rating of 1400 TBW, a typical value for consumer SSDs.