Newegg offers the Crucial Ballistix Sport 16GB (2 x 8GB) DDR3 1600 Low Profile Desktop Memory for $84.99 with shipping.

What makes this deal hot:
You save $40 off the retail list price. That's the lowest price we could find currently. No tax in most states.

What this does & Why you need it:
This dual-channel Desktop Memory kit is compatible with motherboards that use DDR3 1600 (PC3 12800) and features 9-9-9-24 timings.