A Multi-Hack 
is a Portal Mod. It allows the Portal to be hacked more than four times before the Portal burns out (burnouts last for four hours).
Extra Hacks
Installing Multi-Hacks to a Portal provides additional burnout resistance as follows:
| Rarity | Burnout
insulation |
Total nr.
of Hacks | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Common | + 4 hacks | 8 | |||||||||||||
| Rare | + 8 hacks | 12 | |||||||||||||
| Very Rare | + 12 hacks | 16 | |||||||||||||
| 2 × Common | + 4 + 2 | 10 | |||||||||||||
| 2 × Rare | + 8 + 4 | 16 | |||||||||||||
| 2 × Very Rare | + 12 + 6 | 22 | |||||||||||||
| 3 × Common | + 4 + 2 + 2 | 12 | |||||||||||||
| 3 × Rare | + 8 + 4 + 4 | 20 | |||||||||||||
| 3 × Very Rare | + 12 + 6 + 6 | style="text-align: right;" | {peet}
Usage
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