AMCC 9550SXU-12 Manual - Page 7
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How Much is 3TB?
Movie=1GB
Digital Photo=5MB
Song=3MB
Spreadsheet=100KB
xSATA vs. eSATA, Firewire and USB
xSATA offers significantly faster transfer speeds,
better scalability, and improved cabling options than
eSATA, Firewire and USB interfaces.
Interface
Interface Speed
xSATA
12Gb/s (1200MB/s)
eSATA
3Gb/s (300MB/s)
Firewire 800
800Mb/s (80MB/s)
Firewire 400
400Mb/s (40MB/s)
USB 2.0
480Mb/s (48MB/s)
Note: These interfaces use 8b/10b encoding
Data
Quantity
Movies
3,000
Digital Photos
600,000
Songs
1,000,000
Spreadsheets
30,000,000
xSATA up to 28x FASTER!
1200
1050
900
750
600
450
300
150
0
xSATA
eSATA
Firewire 400
Firewire 800
Interface Technology
xSATA has a TOTAL speed-matching bandwidth of
1.2GB/s (300MB/s X 4-lanes!)
eSATA Solutions share the 300MB/s bandwidth among
the available lanes (300MB/s ÷ 4 lanes)
USB 2.0
3