QuickSpecs
Table Of Contents
- Overview
- Supported Components
- System Technical Specifications
- Stable & Consistent Offerings
- Technical Specifications - Hard Drives
- Technical Specifications - Hard Drive Controllers
- Technical Specifications - Graphics
- Technical Specifications - High Performance GPU Computing
- Technical Specifications - Optical and Removable Storage
- Technical Specifications – Controller Cards
- Technical Specifications - Networking and Communications
- Summary of Changes

QuickSpecs
HP Z640 Workstation
Technical Specifications - Graphics
c04400040 — DA – 15080 Worldwide — Version 4 — February 1, 2015
Page 47
Weight: 133 grams
Graphics Controller
NVIDIA Quadro K620 Graphics Card
GM107 GPU
384 CUDA cores
Max Power: 45 Watts
Bus Type
PCI Express 2.0 x16
Memory
2 GB GDDR3, 900 MHz
128-bit memory I/O path
29 GB/s memory bandwidth
Connectors
1 DL-DVI(I) output, 1 DisplayPort output
Factory Configured: No video cable adapter included
Option Kit: One DP-to-DVI adapter included with card
Additional DVI-to-VGA, DisplayPort-to-VGA or DisplayPort-to-DVI adapters
are available as Factory Configuration or Option Kit accessories
Maximum Resolution
DisplayPort 1.2:
- up to 4096x2160 x 30 bpp @ 60Hz
- supports High Bit Rate 2 (HBR2) and Multi-Stream Transport (MST)
Dual Link DVI(I) output:
- up to 2560 x 1600 x 32 bpp @ 60Hz
Single Link-DVI(I) output:
- up to 1920 x 1200 x 32 bpp @ 60Hz
Image Quality Features
10-bit internal display processing pipeline
10-bit scan-out support
Display Output
1 Dual-link DVI-I connector
1 Display Port connector
Shading Architecture
Full Microsoft DirectX 11.1 Shader Model 5.0
Supported Graphics APIs
OpenGL 4.4
DirectX 11.1
API support includes:
CUDA C, CUDA C++, DirectCompute 5.0, OpenCL, Java, Python, and Fortran
Available Graphics
Drivers
Microsoft Windows 8.1
Microsoft Windows 8
Microsoft Windows 7
Linux
HP qualified drivers may be preloaded or available from the HP support
Web site:
http://welcome.hp.com/country/us/en/support.html
SUSE Linux Enterprise drivers may also be obtained from:
ftp://download.nvidia.com/novell or http://www.nvidia.com
Notes
1. Factory configured Quadro K620 does not include a video cable
adapter. Video cable adapters must be ordered separately.
2. Quadro K620 offered as an Option Kit (AMO) includes one DP-to-
DVI video cable adapter. Additional cables must be ordered










