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PPA Firewire 400/800 Drive Information
   

PPA Firewire 400/800 Features

Capacity
250/320/500gig,
1TB

Speed
800Mb/sec (IEEE 1394b/iLink), 400Mb/sec (IEEE 1394a/iLink)

FireWire
Hot pluggable, daisy chain up to 63 devices.

Technology
7,200 rpm, ATA/100 drives with 8-64MB cache

Sleek Design
The small, durable, aluminum chassis runs quietly without a fan, is portable, and easy to use anywhere.

Applications
Great for direct audio recording, backing-up, storing, and exchanging A/V, graphics, prepress, desktop publishing, and other files.

Technical Specifications:

Capacity 250GB, 320GB, 500GB, 1TB
Interface FireWire 400 (IEEE-1394a), FireWire 800 (IEEE-1394b), USB 2.0
Bridge chip Oxford 934
Rotational speed 7,200 rpm / 5,400 rmp (2TB only)
Average seek time (read)  8.2 msec
Max external transfer rate   800 Mb/sec (FW800)
Sustained transfer rate Data Transfer Rate: IEEE 1394a: Up to 400Mb/sec. IEEE 1394b: Up to 800Mb/sec
Buffer size 8-64MB
Dimensions (HxWxD) 1.5"x5"x9"
Weight 3.2 lbs.
Power supply Universal auto switching 100-240V, 50/60 Hz.
Approvals UL, CSA, TUV, CE
Warranty 1 year
Compatibility Mac OS 9.2.2/10.x, Windows 98SE/2000/Me/XP/Vista/7 (specify at order)
Includes

Cables: FW400, FW800, & FW400 to 800; external power supply, and foot stand

Real Life Audio Tests
The following tests were conducted with a PPA Firewire 400 drive, Mac G5 dual 2gig with 1 gig of ram. Test sessions were created with edits every 500ms and were run on a Pro Tools HD2 (non accel) system with one 192I/O

Session 1; playback 48k 24 bit (edit density of 2 edits per second) Protools Max playback capacity = 128 tracks Total tracks able to playback = 128

Session 2; playback 96k 24 bit (edit density of 2 edits per second) Protools Max playback capacity = 64 tracks Total tracks able to playback = 64