Supermicro Breakout Cable CBL-MCIO-1235M5Y MCIO x8 Straight to 2x SlimSAS 4i x4 - 0.5m

The Supermicro CBL-MCIO-1235M5Y is a high-performance breakout cable designed for internal server and storage connectivity. It features a single MCIO x8 straight male connector that breaks out into two SlimSAS 4i (SFF-8654 4i) straight male connectors, enabling flexible routing between motherboards, controllers, and NVMe/SAS backplanes.

Advantages

This cable supports NVMe and SAS protocols with data transfer rates up to 24 Gbps per lane, making it ideal for high-speed storage applications. Its 50 cm length provides convenient reach within server chassis, while the 100 Ohm impedance ensures signal integrity. The breakout design allows efficient use of MCIO ports to connect multiple drives.

Suitable for

• Supermicro motherboards and controllers with MCIO x8 ports
• NVMe and SAS backplanes supporting SlimSAS 4i connectors
• U.2/U.3 drive connectivity in enterprise servers
• Internal server and storage system cabling

Key specifications

• Cable Type: Breakout Cable
• Connector A: MCIO x8 Straight Male
• Connector B: 2x SlimSAS 4i (SFF-8654 4i) Straight Male
• Length: 0.5 m (50 cm)
• Protocols: NVMe, SAS
• Data Rate: Up to 24 Gbps per lane (PCIe Gen4 / SAS-4 capable)
• Impedance: 100 Ohm
• Color: Black
• RoHS Compliant

Recommendations

For optimal performance, ensure your motherboard and drives support the MCIO and SlimSAS interfaces. This cable is a reliable choice for building high-speed storage arrays in Supermicro systems.