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My favorite feature of the DEEPCOOL TRISTELLAR MINI-ITX SFF PC CASE is the isolated video card module on the top. It also accepts a full size ATX power supply. It retailed for $399 in 2016. You can see the original listing for Deepcool TriStellar Black SPCC Mini-ITX Computer Case ATX PS2 Power Supply on Newegg here, https://www.newegg.com/Product/Produc...

The Deepcool Tristellar is nothing like their Tesseract case. It's the first and the only three-stellar structure SFF Mini-ITX PC Case in the world. A very unique structure and appearance for any form factor computer case.

The Deepcool Tristellar's Three independent cabins for Mini ITX SFF Motherboard, and full size GPU Card and PSU/HDD separately, offering the most efficient cooling solution for your Mini-ITX PC.

The Deepcool Tristellar ITX case will support one ultra-long (max 320mm) and ultra wide (3 PCI Slots) VGA / GPU Radeon or Nvidia Card vertical installation.The Deepcool Tristellar also has hot plugging (SATA) port ( 2*3.5''HDD/3*2.5'' SSD) and two *USB 3.0

The Deepcool Tristellar ITX SFF Computer case will also support tray-load Optical Disk Driver installation. It comes out of the box with a pre-installed one 92mm black fan in the top GPU enclosure.
The Deepcool Tristellar case also support AIO Deepcool Captain or Corsair cpu water cooling system installation (120mm radiator).
Another feature Bill Owen from Mnpctech likes about the The Deepcool Tristellar is that it supports a standard ATX PSU with 150mm x 160mm x 86mm. The Deepcool Tristellar has a fully black steel powder coated interior with dust filter option for PSU.

Mnpctech's only nag about the The Deepcool Tristellar Mini-ITX PC case is it's cramped space for PC cable management.