Can i use a Hitachi Hard drive from my old laptop, in a external Hard drive?

So i recently took apart my old Compaq laptop and took out the hard drive, CD drive, speakers, etc. I broke my old external hard drive and was able to swap the hard drive with another external hard drive, and it works. But can i use my old computer hard drive on my old EXTERNAL hard drive. Here is some quick Specs... show more So i recently took apart my old Compaq laptop and took out the hard drive, CD drive, speakers, etc. I broke my old external hard drive and was able to swap the hard drive with another external hard drive, and it works. But can i use my old computer hard drive on my old EXTERNAL hard drive. Here is some quick Specs on the hard drive:
(going across the hard drive)
Maker: Hitachi
Size: 80GB
Model: HTS541680J9SA00-----5400RPM
5v---700mA--DC(icon thing)--80GB--SATA
Product of Thailand
Void if stuff
P/N: 0A50538---MLC: DA1697
(OEM: 433144-001)
A225121
S/N: KGCBG2YE
(bar code)
CT: *2BC3A013VUX302*
(bar code)
HW/FW/PCB: A C7BP A/A

**The external hard drive shell i want to use is a Seagate portable hard drive
4 answers 4