HP Z820 Workstation 1TB, Intel Xeon E5-2665, 2.6GHz, 32GB RAM Chipset : Intel C602 chipset Bays : Total Bays = 7 Internal bays: 4 internal 3.5-inch bays (4 with acoustic dampening rail assemblies) Drive bays: 3 external 5.25-inch bays, 4 internal 3.5-inch bays External bays: 3 external 5.25-inch bays Top bay device depth limit: 175 mm Middle bay device depth limit: 206 mm Bottom bay device depth limit: 206 mm Front I/O: 2 USB 3.0 1 USB 2.0 1 Headphone 1 Microphone, and 1 IEEE 1394a Rear I/O: 1 IEEE-1394a 2 USB 3.0 4 USB 2.0 1 Serial PS/2 keyboard and mouse 2 RJ-45 to integrated Gigabit LAN 1 Audio Line-In, 1 Audio Line-Out, 1 Microphone Hard drive controllers supported: SATA and SAS controllers Memory: 16 DIMM slots, up to 512GB, 8-channel ECC DDR3 1600 MHz, 4 channels per CPU Memory expansion slots: 16 slots (8 slots per CPU) Maximum memory: Supports up to 64GB using UDIMMs Supports up to 256GB using RDIMMs Supports up to 512GB using L Interfaces supported: 2-channel SATA 6.0 Gb/s Interface (2 channels e-SATA configurable) 4-channel SATA 3.0 Gb/s Interface 8-channel 6Gb SAS interface (8 SAS connectors on the motherboard), SAS ports can be ported externally by using the SAS Bulkhead and/or Back Panel connector Kits USB 3.0, USB 2.0, IEEE 1394a
