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Parts list:

1.5 gallon cube aquarium, Amazon, ~$20
Biostar A68N-5000 quad core mini ITX board, Amazon ~$60Crucial Ballistix sport 8GB kit DDR3, Amazon ~$40
Mini-Box 80-watt Pico PSU, Amazon ~$25
A cheap 12v power supply, Amazon ~$7
1.5 Gal mineral oil – Cheapest source I found was WalMart, at ~12.4 cents / floz
128GB SSD – OCZ, Freebie (had it on hand)
6″ aquarium air stone from a pet store ~$10

Grand total:
$187…ish

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