HP ProLiant MicroServer Microserver N54L PROLIANT-500 Memory: 8GB ECC Hard Disk: 500GB Includes a 3P to 2P power adapter. It's in good condition and working, but the tabs on the plastic cover of the front door were damaged when a filter was inserted. This is not visible during normal use. Windows Server 2012 R2 Essentials is installed, but it cannot be reinstalled. Boot and update have been confirmed.