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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
StarTech QSFPH40GCU1M 40Gbps Direct Attach Cable
Overview
The StarTech QSFPH40GCU1M is a 1-meter (3.3 ft) passive direct attach cable designed for high-speed network interconnects. It provides a cost-effective solution for short-reach 40 Gigabit Ethernet applications, such as connecting switches, servers, or network interface cards within a rack or between adjacent racks. This cable ensures reliable data transmission at 40Gbps without requiring external power, minimizing complexity and power consumption.
Compatibility
This cable is built to be 100% Cisco QSFP-H40G-CU1M compatible, ensuring seamless integration with Cisco networking equipment and other systems utilizing QSFP+ ports. It is suitable for environments requiring direct connections between devices with QSFP+ interfaces, commonly found in data centers and high-performance computing clusters.
Installation Notes
The cable operates within a temperature range of 0°C to 70°C (32°F to 158°F), making it suitable for standard rack environments. Each end consumes less than 0.1W, contributing to overall power efficiency. The 100 Ohm impedance is standard for high-speed digital signaling. Storage temperature range is -40°C to 80°C (-40°F to 176°F).
What's in the Box
- 1 - 1m QSFP+ Direct Attach Cable
StarTech 100% Cisco QSFP-H40G-CU1M Compatible 1M - QSFPH40GCU1M
Build Your Complete System
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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System Design, Deployment & Technical Support
Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.
Fixed scope • Fixed price
System Design Assistance
- Get help validating product compatibility
- Coverage requirements
- Storage planning and deployment architecture before you buy.
Deployment & Configuration Support
- Access fixed-scope support for rollout planning
- User setup guidance
- Migration and system standardization across single-site or multi-site deployments
Guides, Tools & Calculators
- PoE requirements
- Storage retention
- Camera selection and deployment methodology