The Overseer RX-I is the latest full-tower case from Thermaltake. However, its physical dimensions are similar to mid-tower products from other manufacturers. Unfortunately, there is no official standard to categorize a case as full-tower or mid-tower. According to Thermaltake, they are saying this case is a full-tower model because it has four 5.25” bays, eight expansion slots, and supports E-ATX motherboards, even though the typical full-tower case looks bigger.

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Figure 1: Thermaltake Overseer RX-I case

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Figure 2: Thermaltake Overseer RX-I case

The left panel has a transparent window and a mesh with an air filter for an optional 200 mm fan.

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Figure 3: Left panel