Western Digital has 1TB WD Black SN750 NVMe M.2 2280 Internal Solid State Drive SSD (WDS100T3X0C) on sale for $121.49 when you login to your Western Digital account (discount will automatically apply in cart). Shipping is free. Note must be logged in to Western Digital account for discount to apply in cart.
New - 3 TB Western Digital My Passport X $79.99 Another good option for some external storage with this. They aren't recertified units, these are brand new drives. You can back up to the drive ...