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Low-profile graphics card with single fan, VHDCI port and four DVI adapters

PNY Technologies, Inc.

PNY Technologies, Inc. Quadro NVS 420 512MB GDDR3 PCI Express x16 Low Profile Workstation Graphics Card

SKU CH-SX12-F98K4

Low-profile workstation card with dual GPUs driving four 2560 x 1600 displays from 512 MB GDDR3 over PCI Express x16

  • InterfacePCI Express x16
  • Chipset ManufacturerNVIDIA
  • GPUQuadro NVS 420
  • Memory Size512MB (256MB per GPU)
  • Memory Interface128-bit (64-bit per GPU)
  • Memory TypeGDDR3
  • Drives four 30" displays at 2560 x 1600
  • Low-profile design fits small form factor systems
  • Dual-GPU architecture with 512MB total GDDR3 memory
  • PCI Express x16 interface for broad compatibility
  • CUDA parallel processors accelerate business graphics

Quad-Display Workstation Card

The PNY Quadro NVS 420 is a low-profile PCI Express x16 graphics card built for small-form-factor workstations. It targets professionals who need four independent digital outputs from a single slot. Dual GPUs each provide 256MB of GDDR3 memory for a total of 512MB. It suits financial desks, emergency centres and digital-signage deployments.

Four-Display Interface Limits

The card drives up to four displays at a maximum digital resolution of 2560 x 1600 via a VHDCI connector and supplied DVI adapters. Each GPU operates on a 64-bit memory bus for a combined 128-bit interface. DirectX 10 and OpenGL 3.0 support define the API ceiling for business applications. Buyers needing higher resolutions or more than four monitors must choose a different solution.

Dual-GPU Memory Split

The specification that decides fit is the 256MB per GPU memory allocation within the 512MB total. This split determines texture and frame-buffer capacity for each display engine. Systems requiring larger per-GPU memory for complex visualisation will find this limit restrictive. CUDA parallel processors handle compute tasks within the same constrained memory pool.

Highlights

  • Drives four 30" displays at 2560 x 1600
  • Low-profile design fits small form factor systems
  • Dual-GPU architecture with 512MB total GDDR3 memory
  • PCI Express x16 interface for broad compatibility
  • CUDA parallel processors accelerate business graphics

Specifications

BrandPNY
ModelVCQ420NVS-X16-PB
InterfacePCI Express x16
Chipset ManufacturerNVIDIA
GPUQuadro NVS 420
Memory Size512MB (256MB per GPU)
Memory Interface128-bit (64-bit per GPU)
Memory TypeGDDR3
DirectXDirectX 10
OpenGLOpenGL 3.0
DVI4 with Adapter
Other PortsVHDCI
Digital Resolution2560 x 1600
Max Displays Per Board4
CoolerWith Fan

Questions about this item

Should I pick the 512MB or 256MB per GPU version?

This card ships with 512MB total memory split as 256MB per GPU; no other capacity is offered.

What does the 2560 x 1600 resolution mean when I connect four monitors?

Each of the four digital outputs can drive a 30-inch display at 2560 x 1600 simultaneously.

How does the PCI Express x16 slot and 128-bit memory interface affect real-world throughput?

The x16 slot provides full PCIe bandwidth while the 128-bit GDDR3 bus feeds both GPUs at 64-bit each.

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