太久的机器没什么用拉。
就算是linux也不灵的。
三台机器还不如一台iPad计算力大。
what you are looking for has low chance to exist. Desktop version might be easier to find.
A 60G SSD cost about $50. Better save that $150, and dump those three laptop once and for all.
If you like, what are the three laptop's model number?