External Storage Device Connection Types - CompTIA A+ 220-801: 1.5

USB (Universal Serial Bus)

IEEE 1394 / FireWire

• The term "FireWire" is an Apple trademark
• Most non-Apple hardware uses IEEE 1394, i.Link, or Lynx
• Connect up to 63 devices
• Daisy-chain or tree topology, peer to peer

• FireWire 400 (Alpha mode) - IEEE 1394a
• 100, 200, or 400 Mbit/s half-duplex

• FireWire 800 (Beta mode) - IEEE 1394b
• 800 Mbit/s full-duplex

• Other speeds and feeds never became popular
• S800T, S1600, S3200

eSATA

Not interchangeable

Ethernet Storage Device

Hot swappable drives

• Add and remove while the system is running
• The connection is "hot"
• USB
• Add and remove any device

• FireWire
• Common to connect and disconnect while running

• SATA, eSATA
• Part of standard