If you want to search the market beyond ptsb here are some of the rates on the market at this time:
1 year Fixed from First Active the rate is 4.15%
2 year Fixed from Bank of Ireland the rate is 4.49%
3 year Fixed from Irish Nationwide the rate is 4.69%
4 year Fixed from Irish Nationwide the rate is 4.84%
5 year Fixed from Bank of Ireland the rate is 4.85%