The Dell PowerVault MD3400 SAS Array is a high-density 2U rackmount storage server that comes equipped with twelve large form factor hard drive slots. The Dell PowerVault MD3400 SAS Array is the perfect candidate for immense data storage at a cost effective price. Here at The Server Store the customer always comes first. If you have any concerns or questions please feel free to contact us. Don't forget to check out the rest of our wide array of refurbished IT Equipment here at The Server Store.