Notebook 128 256 512 GB 1 TB SSD SATA HDD HP ProBook 640 G1 G2 G3 G4 G5 UEFI 64
IMPORTANT NOTE: Windows 10 PRO was installed on this Hard Drive in UEFI Mode. 128 GB, 256 GB, 512 GB or 1 TB (Choose Above) SSD SATA Hard Drive Laptop with Windows 10 Pro64-bit Installed UEFI. You are buying a SSD, with pre-installed Windows.