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External Sata Storage
  Chromakeying requires a high fidelity signal to reduce artifacts in the key, usually uncompressed. When high definition signals need recording to today's hard drive arrays, a lot of bandwidth is required. Usually this is very expensive, proprietary RAID systems usually offer either speed or size. BlueRAID external SATA storage enclosure is based on SATA drives which connects to the PC via a single cable. Cost is optimized by not using an onboard controller to convert SATA to SCSI, which actually limits bandwidth, instead piping the SATA signal directly to the controller or motherboard.
 
About SATA
  The first iteration of SATA (Serial ATA) ran at 1.5 Gigahertz, and was only marginally faster than the fastest PATA (Parallel ATA) connection, UDMA-133. The next iteration of SATA was SATA300 running at 3.0 Gigahertz, also called SATA II. The next iteration for SATA looks to raise it to 6 Gigahertz sometime in the next few years.
 
Chromatte
  Chromatte curtains fold easily into compact (although slightly heavy) bundles. The fact that the it does need banks of fluorescent lights to get an even key also means that only the most minimal of lighting kits is necessary. Saves on space: With only the camera mounted LiteRing required to light the background, you no longer need the space to accommodate heavy studio lighting. With it you can chroma key in smaller light controlled locations. Traditional chroma key fabric absorbs light where Chromatte is reflective, efficiently using its light source to give a bright and even background. This saves approximately 1KW of light for every 2m of conventional background fabric or painted walls. Time saved, space saved, lighting saved, heat saved, fewer retakes means money saved.