They giving 90 every day (Intel Core i3 2130 2x2(HT)x3.4+ GHz - 16 GB RAM, 2x1 TB HDD - 100Mbps).

Servers will be active till August for free to use.

1. You need to follow their twitter account. 2. Every day, different time, they say then.

Today it took 10 sec to take all 90 servers. So start trying 1-2 minutes before time they announce and you will get one.