Short answer: No. They are different and not compatible.
Long answer: If the USB 2.0 device happens to be a hard drive that also has an esata port, then you could use the esata port instead.
It really depends on the type of motherboard and esata port. some computers can have a esata port compatible with usb 2.0. how you would know if your esata port is compatible with usb 2.0 is, it will have the actual usb logo (thing that looks like 3 wires coming from one wire)
eSATA is faster than FireWire and firewire is faster than USB.
esata-fire wire-usb
USB
eSATA is up to six times faster than USB or FireWire
eSATA is the fastest of the three.
There are 3 USB ports on the HP Pavillion DV4-1430US, one of which is shared with eSATA.
This model has 4 USB ports. The doubles as a eSATA port. This model also comes with a one year hardware warranty as well as a 30 day free software support warranty.
An Input/Output Panel, which can be found on either the front or back of your computer. This panel usually contains USB Ports and both audio- and microphone ports. In some cases there is a Firewire and/or eSATA connector as well.
USB ports work by transfering iformation through a wire(basic) For more info go to wikipeddia or another site
yes
It will only work on the Early PS3 models with 4 USB ports and not on the Models with only 2 USB ports see related links
eSATA, Expresscard/54 and USB