Quick Specs

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
Notes Factory configured Quadro K620 does not include a video cable adapter.
Video cable adapters must be ordered separately.
1.
Quadro K620 offered as an Option Kit (AMO) includes one DP-to-DVI
video cable adapter. Additional cables must be ordered separately.
2.
NVIDIA Quadro K420 1GB
Graphics
Form Factor Low Profile:
2.713 inches × 6.3 inches, single slot
Graphics Controller NVIDIA Quadro K420
GPU: GK107
Bus Type PCI Express x16, 2.0 compliant
Memory Size: 1GB DDR3
Clock: 891MHz
Memory Bandwidth: 29GB/s
Connectors One dual-link DVI-I connector
One DisplayPort connector
Maximum Resolution VGA (via adapter cable):
2048 × 1536 × 32 bpp at 85 Hz
Dual-link DVI
2560 × 1600 × 32 bpp at 60 Hz (reduced blanking)
Single-link DVI
920 × 1200 × 32 bpp at 60 Hz (reduced blanking)
DisplayPort 1.2
3840 × 2160 × 30 bpp at 60 Hz
RAMDAC 400 MHz integrated RAMDAC
Display Output Maximum number of displays supported: 2
Shading Architecture Shader Model 5.0
QuickSpecs
HP Z840 Workstation
Technical Specifications - Graphics
DA - 15098 Worldwide QuickSpecs — Version 3 — 11/1/2014 Page 47