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What's faster - eSata vs. Firewire 800/400

post #1 of 14
Thread Starter 
What's faster for an external hard drive..
post #2 of 14
Hmmm....


  • One of the key advantages that eSATA offers over USB and FireWire is speed. While the other two have overhead from converting the signal between the external interface and the internal IDE based drives, SATA does not have this problem. Because SATA is the standard interface used on many new hard drives, a simple converter between the internal and external connectors is required in the housing. This means that the external device should run at the same speed as an Internal SATA drive.
  • USB 1.1 – 15 Mbps
  • FireWire (1394a) – 400 Mbps
  • USB 2.0 – 480 Mbps
  • FireWire 800 (1394b) – 800 Mpbs
  • SATA 1.5 – 1.5 Gbps
  • SATA 3.0 – 3.0 Gbps
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post #3 of 14
Thread Starter 
Quote:
Originally Posted by Mhill2029 View Post
Hmmm....


  • One of the key advantages that eSATA offers over USB and FireWire is speed. While the other two have overhead from converting the signal between the external interface and the internal IDE based drives, SATA does not have this problem. Because SATA is the standard interface used on many new hard drives, a simple converter between the internal and external connectors is required in the housing. This means that the external device should run at the same speed as an Internal SATA drive.
  • USB 1.1 – 15 Mbps
  • FireWire (1394a) – 400 Mbps
  • USB 2.0 – 480 Mbps
  • FireWire 800 (1394b) – 800 Mpbs
  • SATA 1.5 – 1.5 Gbps
  • SATA 3.0 – 3.0 Gbps
according to this, firewire is faster than usb 2.0..
http://www.cwol.com/firewire/firewire-vs-usb.htm
post #4 of 14
eSATA = fastest external drive

...

My 500 gig external eSATA drive tests the same as my internal SATA drives when testing with HD Tach.

No difference.

Totally smokes USB and Firewire.
    
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post #5 of 14
Firewire 800 is faster than USB2.0. Firewire 400 is slower than USB2.0.

While USB2.0 is rated at 480Mb/s, it will likely only run around 300.

SATAII is 3000Mb/s, and will always be faster than Firewire. Cheaper and easier to use too.
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post #6 of 14
esata is excatly same as any internal sata, same speed. esata is just a sata. 150 or 300 whatever you have.
so....it is fast.
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post #7 of 14
Quote:
Originally Posted by poohball View Post
esata is excatly same as any internal sata, same speed. esata is just a sata. 150 or 300 whatever you have.
so....it is fast.
Incorrect.

eSATA is a superset of SATA. It includes tighter tolerence to allow up to 2m cabling (as opposed to 1m). In addition, the plugs themselves are different to improve wear-n-tear, EMI shielding, ESD chances, and locking.

eSATA will work on internal SATA but internal SATA will not always work with eSATA.
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post #8 of 14
Quote:
Originally Posted by Mootsfox View Post
Firewire 800 is faster than USB2.0. Firewire 400 is slower than USB2.0.

While USB2.0 is rated at 480Mb/s, it will likely only run around 300.

SATAII is 3000Mb/s, and will always be faster than Firewire. Cheaper and easier to use too.
To be brief, USB 2.0 and Firewire 400 are different architectures. Firewire 400 is faster than USB 2.0 though it is bit rate is slower due to USB's slaved architecture.

None of these however, including eSATA, is faster than USB 3.0 which looks to launch later this year in possibly a handful of hardware systems.

post #9 of 14
Quote:
Originally Posted by hardcashe View Post
To be brief, USB 2.0 and Firewire 400 are different architectures. Firewire 400 is faster than USB 2.0 though it is bit rate is slower due to USB's slaved architecture.

None of these however, including eSATA, is faster than USB 3.0 which looks to launch later this year in possibly a handful of hardware systems.

USB2.0 has a higher max bandwidth than Firewire 400, but in practice Firewire is faster.

If you have a choice eSATA>Firewire 800>Firewire 400>USB2.0.

What are the rated speeds of USB 3? I doubt it's going to be more than six times faster than USB2.0, though that would be great if it was.
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post #10 of 14
Quote:
Originally Posted by Mootsfox View Post
USB2.0 has a higher max bandwidth than Firewire 400, but in practice Firewire is faster.

If you have a choice eSATA>Firewire 800>Firewire 400>USB2.0.

What are the rated speeds of USB 3? I doubt it's going to be more than six times faster than USB2.0, though that would be great if it was.
600 MB/s

But if you believe you will see that kind of bandwidth I have some swamp land in Arizona for sale.

USB 2.0 has 60MB/s. Any of you have external USB HDD? Getting above 20MB/s? If so great not getting close 60MB/s guaranteed!

As Moots said before for external HDD, eSATA>Firewire 800>Firewire 400>USB2.0.
    
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