Supermicro CBL-PWEX-0947Y-30

Inside a dense 4U server chassis or a high-end workstation, routing power to a GPU can be a tight squeeze. This 30cm PCIe 8-pin extension cable from Supermicro gives you the extra reach to connect your graphics card or other PCIe device without strain. It’s a simple but essential tool for clean, reliable builds.

Key specifications

• Length: 30 cm (11.8 inches)
• Connector 1: PCIe 8-pin male
• Connector 2: PCIe 8-pin female
• Conductor material: Copper
• Colour: Black
• Compatibility: Standard PCIe 8-pin power ports

Why choose it

Supermicro is known for dependable server hardware, and this extension cable lives up to that reputation. The copper conductors ensure stable power delivery, while the black sleeving blends into any build. It’s a straightforward fix for short cable runs or awkward layouts.

Ideal use cases

• Extending GPU power in servers and workstations
• Reaching power supplies in large tower cases
• Replacing worn or damaged PCIe power cables
• Custom PC builds where cable management matters

Good to know

This cable is internal only and designed for PCIe power connections. It’s not for motherboard or CPU power. The 8-pin connectors follow the standard pinout, so it works with any compliant device. Keep it away from sharp edges and ensure proper airflow around connectors.