Intellinet 508490 QSFP+ 40G Passive DAC Twinax Cable
SKU
508490
Model No
508490
$37.49
Product Highlights
- Passive Direct Attach Copper (DAC) twinax cable for cost-effective, low-latency, power-saving connections
- MSA-compliant for compatibility with leading switch manufacturers such as Cisco, Intellinet Network Solutions, ZyXEL, TP-Link, Ubiquiti, and more (see specs)
- Two QSFP+ connectors for data transfer rates up to 40 Gbps
- Equivalent to the Cisco QSFP-H40G-CU50CM DAC Cable
- Significantly lower power consumption and price point than fiber optic cables

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The 508490 from Intellinet is a QSFP+ 40G Passive DAC Twinax Cable designed to provide an efficient, low-latency, and cost-effective solution for high-bandwidth data transmission over short distances. Ideal for connecting switches and servers in data centers or adjacent racks, this passive DAC cable combines simplicity and advanced functionality.
Intellinet 508490 Cable Benefits
The Direct Attach Copper (DAC) cable is gaining traction in networking due to its energy efficiency, simplicity in deployment, and zero heat production while in operation. This makes it perfect for demanding environments and eliminates the need for additional transceivers, thus reducing overall costs.
Intellinet 508490 Performance Highlights
- Passive Direct Attach Copper (DAC) twinax cable: Offers cost-effective, low-latency connections while consuming minimal power.
- MSA-compliant: Ensures compatibility with major switch manufacturers like Cisco, Intellinet Network Solutions, ZyXEL, TP-Link, and Ubiquiti.
- 40 Gbps data transfer rates: Facilitates high-speed data transmission suitable for demanding applications.
- Equivalent to Cisco’s DAC cable: Provides a reliable alternative to the Cisco QSFP-H40G-CU50CM DAC Cable.
- Lower power consumption: Reduces operational costs compared to fiber optic cables.
- Lower signal latency: Ensures quicker data transfer compared to traditional RJ45 connections.
- Simpler deployment: Features fewer components to match, making installation easier than optical transceivers.
- Ideal for short-distance applications: Suitable for operations up to 7 m (23 ft.), making it perfect for in-rack connections.
- Zero heat production: Usable in high operating temperatures, up to 70°C (158°F).
- Hot-swappable: Enables seamless upgrades or replacements without downtime.
Intellinet 508490 Detailed Specifications
| Product Type | QSFP+ 40G Passive DAC Twinax Cable |
| Length | 7 m (23 ft.) |
| Data Transfer Rate | Up to 40 Gbps |
| Power Consumption | Less than 0.15 W |
| Operating Temperature | Up to 70°C (158°F) |
| Compatibility | MSA-compliant with Cisco, Intellinet, ZyXEL, TP-Link, Ubiquiti |
| Connector Type | QSFP+ on both ends |
| Warranty | Check manufacturer's warranty |
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