If you’ve ever struggled with replacing your PC’s graphics card, an upcoming Asus motherboard offers some really welcome news: a new retention mechanism that unlocks the card without the need for an awkwardly placed lever or switch. The new mechanism is integrated into the Asus ROG Crosshair X870E HERO motherboard, shown off at Asus at the Gamescom show this week in Germany. HotHardware spotted the demonstration, recorded in this der8auer video. This specific board, as the name implies, showcases AMD’s 870E chipset for its Ryzen processors. What’s great about this new mechanism is just the con…