Lenovo ThinkStation 2TB PCIe 4.0 Internal SSD OPAL2 M.2 SSD 2280 NVMe Up to 3300 MB/s: Crucial Details Manufacturer. 4XB0S74999 is the part number. Lenovo: 2TB SSD PCIE M.2 TS manufacturer 0.2 pounds in weight. Mfg.'s webpage: Go to 5.37" x 5.25" x 1.37"; UPC: 193124066943 Details about the item and its brand Brand: Lenovo Description of the Lenovo 4XB0S74999 internal solid state drive, 2 TB, M.2 PCI Express NVMe