Alienware m15 r5 ryzen 9 5900hx rtx 3070 July 8, 2019 16 32 64 128 Alienware m15 r5 rtx 3070 ryzen 9 Alienware m15 r5 ryzen 9 5900hx Dell alienware m15 r5 ryzen 9 rtx 3070 Dell alienware m15r7 ryzen 9 6900hx