• Silver-colored arista cab-sfp-sfp-2.5 10g sfp+ direct attach copper twinax cable modules with blue handles and metallic connectors
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Arista

Arista CAB-SFP-SFP-2.5 | 10G SFP+ Direct Attach Copper Twinax Cable, 2.5m

CAB-SFP-SFP-2.5

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Description

The Arista CAB-SFP-SFP-2.5 is a 10G SFP+ passive direct attach copper twinax cable designed for short-reach, high-speed connectivity within racks or between adjacent racks in data centers and enterprise environments. This cost-effective 2.5-meter cable provides reliable 10 Gigabit Ethernet performance with low latency and minimal power consumption, ideal for top-of-rack switching, high-performance computing, and network storage applications. It supports 10GBase-CU, 8G Fibre Channel, and 10G FCoE standards.

Features

Passive copper twinax design for minimal power consumption and heat generation
- Hot-pluggable SFP+ form factor for easy installation and maintenance
- Low insertion loss and ultra-low crosstalk for reliable signal integrity
- High-shielding PVC jacket design resistant to environmental disturbances
- Multi-protocol support including 10GBase-CU Ethernet, Fibre Channel, and InfiniBand
- Cost-effective alternative to fiber optic transceivers for short-reach applications
- Compliant with SFF-8431, SFF-8432, and SFF-8472 MSA standards
- Supports data rates up to 10.5Gbps
- RoHS compliant and lead-free construction
- Suitable for top-of-rack switching, HPC clusters, and network storage systems

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

Connector Type: SFP+ to SFP+
- Cable Length: 2.5 meters (8.2 feet)
- Cable Type: Passive Direct Attach Copper (DAC) Twinax
- Max Data Rate: 10Gbps
- Wire Gauge: 30AWG
- Compliance: IEEE 802.3, SFF-8431, SFF-8432, SFP+ MSA
- Supported Standards: 10GBase-CU, 8G Fibre Channel, 10G FCoE, InfiniBand QDR/DDR/SDR
- Power Supply: 3.3V
- Power Consumption: Max 0.1W (typical), 0.57W per end (max)
- Operating Temperature: 0 to 70°C (32 to 158°F)
- Minimum Bend Radius: 20mm
- Jacket Material: PVC (OFNR rated)
- Hot-Pluggable: Yes

FAQs

Q: What is the maximum distance for this cable?
A: The CAB-SFP-SFP-2.5 has a fixed length of 2.5 meters (8.2 feet) and is designed for short-reach connections within a rack or between adjacent racks in data center environments.

Q: Is this cable compatible with non-Arista equipment?
A: Yes, this SFP+ DAC cable is compliant with industry-standard specifications including IEEE 802.3 and SFP+ MSA, allowing interoperability with other vendors' equipment that supports standard 10G SFP+ ports, though Arista equipment compatibility is guaranteed.

Q: What are the advantages of using DAC cables versus optical transceivers?
A: Direct attach copper cables offer significant cost savings compared to optical transceivers with fiber, consume less power, require no external power source, and provide excellent reliability for short-distance connections. They are ideal for cost-effective 10G connectivity within racks.

Q: Does this cable support Fibre Channel applications?
A: Yes, the CAB-SFP-SFP-2.5 supports 8G Fibre Channel (FC) and 10G Fibre Channel over Ethernet (FCoE) applications in addition to 10 Gigabit Ethernet, making it versatile for converged network and storage environments.

Q: Is this a passive or active cable?
A: This is a passive copper cable, meaning it contains no active electronic components. Passive DAC cables are suitable for shorter distances (typically up to 7 meters) and consume minimal power, making them ideal for high-density deployments.

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