Upgrade your cryptocurrency mining operation with these professional-grade control boards designed specifically for Bitmain Antminer series machines. Compatible with multiple models including KS3, KS5, KS5 Pro, X5, Z15 Pro, S19j Pro, S19XP, S19Pro-A, S19j Pro+, S19k Pro, and T21, these CB8 and CV1835_V3.2010CV1385 control boards ensure reliable performance. The boards come equipped with various connectivity options including USB 2.0 ports, USB 3.0 ports, and HDMI output for comprehensive monitoring capabilities. These control boards feature cable management solutions with included PSU cable combs for a clean, organized setup. The compact design measures approximately 4 inches in height, with a footprint of 20 inches by 10 inches, making it suitable for standard mining rig configurations. Perfect for both professional mining operations and dedicated crypto enthusiasts looking to maintain or upgrade their Antminer equipment.