Where an SSD is better installed (upper cage, lower cage)

autumn_suns3t

Honorable
Feb 10, 2014
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I am doing my first build, storage is 1 SSD only.
Case is Fractal's XL R2, just a Define R4 but larger.
Upper cage is removable for better airflow (no need for larger GPU), so I guess I should remove this.
But cages have 4 bays, and again I have no idea what of the 4 bays is best and why.