24-bay (2.5") 2U Storage Deals

Here are a few more. These do not have the option to use 3.5" so I'd say not as good as the previous one however:

24-bay 2U chassis:
Supermicro 2U 24 Drive Hot Swap Server Chassis CSE 216A R900UB MC073 w SAS216A | eBay

Same with 2x Xeon 5650's and 24GB:...

24-bay (2.5") 2U Storage Deals