This NAS has been upgraded with 16gb of ram. Hard drives have been removed but all slots work as you can see from the photos. This was pulled from a working environment and is being sold to upgrade to a newer unit. The unit has been attached to a UPS its entire life so no dirty power or surges or abrupt shutdowns. Kept in a basement so it’s been cool 65-75f. Lastly no smoking/pets/pests in the home.Unit is offline and reset now but as you can see from the photos, everything works. The unit is boxed up in the original box for safe shipping.