which hard drive is best for Compaq 620

I have a Compaq 620 almost 3 years old with Windows 7 Home premium
But recently the hard drive has been showing signs of failure and current I cannot boot windows from it
Now I am thinking of getting a new drive, but do not have much ideas about laptop hard drives
Which hard drive should I choose?
I do not want to get anything too expensive, a cheap to moderately priced one would be preferable.
I have also attached a picture of my old disk
Should I get a new one that is exactly same?
Do I need to worry about compatibility problems?

 

My first laptop's HDD failured and I repleaced it with western digital one. My old was Samsung HDD. So you can but whatever you want there. I bought SSD on my new laptop and I must say that I will never go back to HDD anymore. Where I see significant differences: Boot time, Windows updates, softwares opening time, virus scan, and there is many many other things where it saves time . And SSD failure rate is minimal what I have heard. I paid around 80 € for 120GB and I must say even thought I could have had 500GB with same amount money. I dont care since speed what I have caught out of my current SSD is huge and I have used around 40GB of 120GB. If I have bought that HDD I would have over 400GB free space for nothing and laptop would have been slower than it is now.

SanDisk Extreme Solid State Drive (SSD)

Happy SSD owner

Also if you storage movies/ pictues etc then I still recomed SDD and you can buy HDD docking station + cheap HDD. That would cost around 20€ for docking station and it really depends how much you need storage.