HP

Intel Core i7 2.6 GHz
Screen Size: 15.6 Inches
Color: Space Silver
Hard Disk Size 512 GB SSD
RAM:16 GB

Dual E5-2660 V4 up to 3.20 GHz
RAM: 64G DDR4 EC
Storage: 3T HD + 500 HD
NVidia Quadro M5000 8G DDRS

Model Name: HP Zbook 15 G3
Screen Size: 15 Inches
Color: Gray
Hard Disk Size: 1 TB
CPU Model: Core i7-6820HQ
Ram Memory Installed Size: 32 GB
Operating System: Windows 10 Pro
Special Feature: Speakers
Graphics Card Description: Integrated

Model Name: Zbook 17 G3
Screen Size: 17.3 Inches
Color: Silver
Hard Disk Size: 1 TB
CPU Model: Core i7-6820HQ
Ram Memory Installed Size: 32 GB
Operating System: Windows 10 Pro
Graphics Card Description: Integrated
Graphics Coprocessor: NVIDIA Quadro M3000M