Type: HP Z Series Z440 Workstation. Seller refurbished unit may have minor scratches and scuffs.Processor: Single Intel Xeon E5-1620v3 Quad Core 3.5Ghz Processor. 8 Virtual Cores in Hyperthreading Mode! (Additional processor configurations available).Memory: 128GB. Supports up to 128GB of total memory, 8 DIMM slots for DDR4 ECC Registered Memory (actual memory speed dependent on processor capability).Hard Drives: 250GB 6Gb/s SATA Solid State Drive (Additional hard drive configurations available).Drive Bays: Up to two 3.5'' or 2.5'' (adapter needed for 2.5'') internal SATA, SAS or SSD hard drives. Two external 5.25'' bays. Raid Controller: Factory integrated RAID available for SATA drives (RAID 0, 0 Data, 1, 5, and 10)Graphics: Nvidia Quadro M2000 4GB GDDR5 Graphic Card (Additional graphic cards available).Operating System: Not Included.Power Supply: 525W 88% Efficient wide-ranging, active Power Factor Correction.Optical Drive(s): DVDRW Drive.Dimensions: 30 Lbs, 17.9'' x 6.65'' x 17'' (L x W x H)Networking: Integrated Intel I218LM PCIe GbEControllerSlots: Slot 1: PCI Express Gen2 x1 Full-height, Slot 2: PCI Express Gen3 x16 Full-height, Slot 3: PCI Express Gen2 x4 Full-height, Slot 4: PCI Express Gen3 x8Full Height, Slot 5: PCI Express Gen3 x16 Full-height, Slot 6: PCI 32bit/33MHz Full-height.Front Ports: 4 USB 3.0, 1 Headset, 1 Microphone.Rear Ports: 4 USB 3.0, 2 USB 2.0, 2 PS/2, 1 RJ-45 (NIC), 1 Audio Line-In, 1 Audio Line-Out.Serial supported with optional connector on PCI bracket cabled to system board connector.Internal Ports: 2 USB 2.0 ports available with a single 2x5 header. The 2x5 header can be converted to a standard(Type-A) USB connector through the use one HP Internal USB Port Kit (EM165AA). This port kit uses onehalf of the 2x5 header. The 2x5 header also supports up to one 15-in-1 Media Card Reader.1 USB 3.0 port available by a 2x10 header.Peripherals: Power Cable Included. Mouse, Keyboard, and Video Cable Not Included.*Systems are built to order and fully customizable. Please call for more information. Note that a stock photo is used and unit may differ depending on configuration.