Description following below as it has been written on the official package of EDIUS NX Express by Grass Valley

Realtime SD/HD Video Production
Let EDIUS NX Express take you to the world of High Definition video production. With its seamless realtime workflow using any mix of HD and SD resolution video content, editors can work with unlimited video, audio and effects layers, while previewing projects in full quality HD or SD, in realtime on an external monitor. 
EDIUS NX Express redefines video production capability and affordability with a groundbreaking, tightly integrated software/hardware solution for realtime SD/HD editing, effects and composing.

EDIUS NX Express Key Benefits
Minimum System Requirements
  • For HD/HDV editing: Intel Xeon 2.8GHz Dual Processor with Hyper-Threading, Intel Pentium D 3.0GHz, Intel Core 2 Duo E6300 or faster. For SD editing: Intel Pentium 4 2.6GHz processor or faster 
  • 512MB or more RAM (1GB or more recommended for HD/HDV editing) 
  • TWO free PCI Express slots (PCI Express Spec. Revision 1.1)
  • 800MB free disk space 
  • ATA 100/5400rpm hard disk or faster. When playing two streams or more in realtime, including uncompressed SD, Ultra SCSI 160 or higher is recommended NB: RAID 0 striping recommended for HD and uncompressed SD editing
  • DVD-ROM Drive 
  • Graphics card with hardware-based DirectDraw overlay and 32-bit-color display at 1024 x 768 resolution
  • Windows XP Home or Windows XP Professional (Service Pack 2 or later) 
  • Soundcard
Package Contents
  • EDIUS NX PCI Express bus card 
  • Component output PCI Express bus card 
  • 1 x FireWire cable (4-pin - 4-pin)
  • 1 x 4-pin internal audio connector cable 
  • 2 x 3.5mm mini-jack to RCA audio cable 
  • 2 x S-Video to composite conversion cable 
  • EDIUS NX Installation Manual 
  • EDIUS Pro Installation DVD-ROM 
  • EDIUS Pro User Manual (English, French, German)
  • EDIUS Pro Reference Manual (PDF format) 
Technical Specifications
Video Formats (Capture)
Analog (S-Video/Composite)
  • YUY2 (Uncompressed) - 720x486/59.94i (NTSC), 720x576/50i (PAL)
  • Canopus Lossless - 720x486/59.94i (NTSC), 720x576/50i (PAL)
  • Canopus DV - 720x480/59.94i (NTSC), 720x576/50i (PAL) Digital (FireWire)
  • Canopus DV - 720x480/59.94i (NTSC), 720x576x50i (PAL) 
  • HDV/Canopus HQ - 1080/59.94i (NTSC), 1080/50i (PAL), 720/30p (NTSC), 720x480/60p (NTSC), 720x576/25p (PAL), 720x576/50p (PAL)
  • Additional capture formats may be supported beyond those listed above
Video Formats (Output)
Digital Video (FireWire)
  • NTSC DV: 720x480/59.94i
  • PAL DV: 720x576/50i
  • HDV: 1080/59.94i (NTSC), 1080/50i (PAL), 720/30p (NTSC), 720x480/60p (NTSC), 720x576/25p (PAL), 720x576/50p (PAL)
  • NB: additional output formats may be supported beyond those listed above 
Analog Video
Standard Definition (SD)
  • NTSC: 720x480/59.49i, 720x486/59.94i
  • PAL: 720x576/50i
High Definition (HD)
  • NTSC: 1920x1080/59.94i
  • PAL: 1920x1080/50i
  • NB: additional output formats may be supported beyond those listed above
Digital Video Input/Output
  • 1 x 4-pin FireWire
Analog Video Input/Output
  • 1 x S-Video / composite (7-pin miniDIN) input
  • 1 x S-Video / composite (7-pin miniDIN) output
  • 1 x HD Component output
Analog Audio Input/Output
  • 1 x stereo (3.5mm, unbalanced) input 
  • 1 x stereo (3.5mm, unbalanced) output