HP Nvidia Quadro NVS 450 512MB 4 DisplayPort PCI-Express x16 Graphics Video Card 492187-001.Nvidia GPU Model Number: Quadro NVS 450HP Part Number: 492187-001Compatible Part Numbers: 490565-001 490565-002Specifications:GPU Model: Nvidia Qaudro NVS 450Interface: PCI-Express x16Memory Size Total 512 MB (256MB per GPU)Memory Interface 128-bit (64-bit per GPU)Memory Bandwidth: 11.2 GB/s (per GPU)CUDA Parallel Processor Cores 16 (8 per GPU)Ports:4 DisplayPortMaximum Display Resolution Digital: 2560x1600 at 60HzOpenGL: 2.1Shader Model: 4.0 Microsoft DirectX: 10NVIDIA CUDA Architecture: yesNVIEW Display Management Software: yesMaximum Power Consumption: 35WEnergyStar Enabling: Yes (with 2:1 max/idle power ratio)