HP Z4 G4 Workstation, Intel® Xeon® W2123, 16 GB DDR4-2666, 256GB M.2 NVMe SSD,1TB SATA Hard Drive 7200RPM, Microsoft Windows 10 Pro 64, Form factor: Mini Tower 38.6 x 16.9 x 44.5 cm

HP Z4 G4 Workstation
Processor: Intel® Xeon® W2123 (3.6 GHz base frequency, up to 3.9 GHz with Intel® Turbo Boost Technology, 8.25 MB cache, 4 cores)
Memory: 16 GB DDR4-2666 ECC Reg SDRAM (1 x 16 GB) (8 DIMM)
256GB M.2 NVMe SSD
1TB SATA Hard Drive 7200RPM
Storage Controller: Integrated SATA 6.0 Gb/s supporting RAID 0, 1, 5, 10
Optical drive: Slim SATA Super Multi DVD writer
Graphics: No graphic card
HP Remote Graphics Software (RGS) + HP Performance Advisor
Operating system: Microsoft Windows 10 Pro 64 for Workstations
HP USB Business Slim Keyboard+ HP USB Optical Mouse
Power Supply: 750 W internal power supply, up to 90% efficiency, active PFC
Form factor: Mini Tower 38.6 x 16.9 x 44.5 cm (10.2KG)