Mia: Accountant supermarket manager purchase zoloft canada At first glance, these drives are the same sort of network attached storage (NAS) that have been around for a while now: they come in 2TB to 4TB capacities, and you plug them into your router with an Ethernet cable. Data transfer is fast with a dual-core processor inside the drive itself, and a fanless design keeps noise to a minimum. There's also a USB 3.0 port on the back of each one, and you can attach other drives to boost your storage space.