The card looks and feels solid, and there is a fit and finish to it that you just don’t see with computer expansion cards very often. In fact, outside of NVIDIA, this might be the most sophisticated design you’ll see this generation. Just look at that aluminum rear construction! Sure, there are those who find AMD’s latest reference design to be perfect, and others could argue that my subjective rambling about the look and feel of the MERC 310 is irrelevant. Fine.
Moving on to card dimensions, and this isn’t small. In fact, it’s almost RTX 40 Series-sized. The MERC 310 RX 7900 XT measures some 344 mm in length, 128 mm in height, and is 55 mm thick (“2.7 slot”, as XFX puts it). In inches the card is 13.5 x 5.04 x 2.17, but no matter how you measure it this isn’t going to fit in all the same places as the reference RX 7900 XT.
Within all of that volume is a triple-fan cooling system which incorporates straight-through airflow venting which “significantly improves cooling and compliments open design of the Ghost Thermal floating shroud design along with numerous other cooling features”, according to XFX. XFX has also brought back a vapor chamber design for the cooler’s heatsink.