QuickSpecs
HP Z640 Workstation
Technical Specifications - Graphics
c04400040 — DA – 15080 Worldwide — Version 6 — April 1, 2015
Page 47
New Graphics Cards introduced after Feb 1 2013 will be eligible for
choosing Graphics Cable Adapters, unless otherwise specified.
No cable choice for NVS 300, NVS 510.
Maximum number of cables allowed is 8.
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
1920 × 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
Supported Graphics APIs
DX11, OpenGL 4.4
Programming support for CUDA C, CUDA C++, DirectCompute 5.0, OpenCL,
Python, and Fortran
Available Graphics
Drivers
Microsoft Windows 8.1
Microsoft Windows 8
Microsoft Windows 7
Linux
Notes
1. Factory configured Quadro K420 does not include any video adapters.
Adapters must be ordered separately.
2. Option kit Quadro K420 includes one DP to DVI-D adapter.
NVIDIA Quadro K620 2GB
Graphics
Form Factor
2.713” H x 6.3” L
Single Slot, Low Profile
Full Height Profile bracket installed
Low Profile bracket included