Sebagai penerus hEX (RB750Gr3) mendapatkan banyak upgrade :
- Processor Baru (MediaTek 2 Core 4 threads - 880Mhz) - RAM 256MB - Slot USB - Slot MicroSD
Spesifikasi RB750Gr3 Product Code RB750Gr3 Architecture MMIPS CPU MT7621A 2 Core 4 thr 880Mhz Current Monitor No Main Storage/NAND 16MB RAM 256MB SFP Ports 0 LAN Ports 5 Gigabit Yes Switch Chip 1 MiniPCI 0 Integrated Wireless No MiniPCIe 0 SIM Card Slots No USB Yes Power on USB Yes Memory Cards 1 Memory Card Type MicroSD Power Jack 8-30V 802.3af Support No POE Input 8-30V POE Output No Serial Port No Voltage Monitor Yes Temperature Sensor Yes Dimentions 113x89x28mm Operating System RouterOS Temperature Range -30C .. +70C RouterOS License Level4