One Samsung 9100 PRO 4TB drive. Health status is 100% with 0 power-on hours. Original retail packaging and invoice are not included. Specifications: NVMe 2.0, PCIe 5.0, M.2 2280 Performance (PCIe 4.0 test): 6540MB/s Read, 6429MB/s Write Firmware: 0B2QNXH7 Crucial, T705, WD_Black, SN850X, Seagate, FireCuda, Sabrent, Rocket, Corsair, MP700, SK, Hynix, Platinum, P41, Kingston, FURY, Renegade, Lexar, NM790, MSI, Spatium, M570, Gigabyte, AORUS, Teamgroup, Cardea, Z540, Solidigm, P44, Micron, 2550, ADATA, Legend, Inland, TD510, Netac, NV7000, PNY, CS3140