The Samsung 990 Pro is a solid-state drive in the M.2 2280 form factor, launched in September 2023. It is available in capacities ranging from 2 TB to 4 TB. This page reports specifications for the 4 TB variant. With the rest of the system, the Samsung 990 Pro interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the Pascal (S4LV008) from Samsung, a DRAM cache chip is available.