Supermicro cable CBL-MCIO-1218M5 MCIO x8 STR a 18cm - Cable

For high-density server builds where every millimeter counts, the Supermicro CBL-MCIO-1218M5 delivers PCIe Gen5 x8 connectivity in a compact 18 cm length. This internal cable links MCIO x8 ports on motherboards, backplanes, and add-on cards, ensuring reliable data transfer for NVMe storage and PCIe expansion without excess slack.

Overview

The CBL-MCIO-1218M5 is a straight MCIO x8 to MCIO x8 internal data cable engineered for Supermicro servers and compatible hardware. It supports PCIe Gen5 signaling, providing up to 32 GT/s per lane for demanding workloads. The cable's short 18 cm length minimizes signal loss and improves airflow in dense chassis, while its shielding protects against electromagnetic interference. RoHS compliant and built for 24/7 operation, it is an essential component for modern data centers.

What stands out

• PCIe Gen5 x8 support for maximum bandwidth
• Compact 18 cm length reduces clutter and improves cooling
• Straight MCIO x8 connectors on both ends for easy routing
• Shielded construction ensures signal integrity
• RoHS compliant and compatible with Supermicro platforms

Technical details

• Cable type: Internal server cable
• Connector A: MCIO x8 (straight)
• Connector B: MCIO x8 (straight)
• Length: 18 cm (0.18 m)
• Data transfer protocol: PCI Express (PCIe)
• PCIe lane configuration: x8
• Supported PCIe generation: Up to Gen5
• Application: Server internal interconnect, NVMe storage, PCIe expansion
• Shielding: Yes
• Environmental compliance: RoHS
• Colour: Black

Our verdict

The Supermicro CBL-MCIO-1218M5 is a precision-engineered cable that solves the challenge of high-speed internal connectivity in space-constrained servers. Its Gen5 readiness and short length make it a smart choice for system builders and IT professionals.