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Arista

Arista CAB-SFP-SFP-2.5M-Arista | 10G SFP+ Passive Twinax Cable, 2.5m

SKU:CAB-SFP-SFP-2.5M-Arista

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Description

The Arista CAB-SFP-SFP-2.5M is a 10G SFP+ passive direct attach copper twinax cable designed for high-speed, short-reach connectivity within racks and between adjacent racks. At 2.5 meters in length, this cost-effective cable eliminates the need for optical transceivers and provides reliable 10GBase-CU connectivity for data centers, enterprise networks, and storage environments. Compliant with SFF-8431, IEEE 802.3, and MSA standards, it delivers low latency and minimal power consumption for demanding networking applications.

Features

Passive copper twinax design for zero power consumption and minimal heat generation
- Hot-pluggable SFP+ connectors for easy installation and maintenance
- Support for 10G Ethernet, 8G/10G Fibre Channel, and InfiniBand protocols
- High-shielding PVC jacket for enhanced durability and environmental protection
- Low insertion loss and ultra-low crosstalk for reliable signal integrity
- MSA-compliant form factor ensuring broad equipment compatibility
- RoHS compliant and lead-free construction
- Digital diagnostic monitoring via EEPROM (SFF-8472 compliant)
- Cost-effective alternative to optical transceivers for short-reach connections
- Ideal for top-of-rack switching, network storage, and high-density interconnects
- Suitable for data center, enterprise network, and HPC applications
- Tested for compatibility with Arista 10G switches, routers, and network interface cards

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

Cable Type: 10G SFP+ Passive Direct Attach Copper (DAC) Twinax
- Cable Length: 2.5 meters (8.2 feet)
- Data Rate: Up to 10.5 Gbps (10GBase-CU)
- Connector Type: SFP+ to SFP+
- Wire Gauge: 30 AWG
- Power Consumption: Maximum 0.57W per end (typical <0.1W)
- Supply Voltage: 3.3V
- Operating Temperature: 0°C to 70°C (32°F to 158°F)
- Minimum Bend Radius: 20-23mm
- Jacket Material: PVC (OFNR rated)
- Compliance: SFF-8431, SFF-8432, SFF-8472, IEEE 802.3, MSA standards, RoHS compliant
- Applications: 10G Ethernet, 8G Fibre Channel, 10G FCoE, InfiniBand QDR/DDR/SDR
- Form Factor: Passive copper twinax, hot-pluggable

FAQs

Q: What are the main advantages of using a passive DAC cable over optical transceivers?
A: Passive DAC cables are significantly more cost-effective than optical transceivers and fiber, consume virtually no power, offer lower latency, and are more durable. They're ideal for short-reach connections within a rack or between adjacent racks up to 2.5 meters, eliminating the need for separate transceivers and fiber patch cables.

Q: Is this cable compatible with other vendors' equipment?
A: While this cable is designed for Arista Networks equipment, many third-party compatible versions are available that work across multiple vendors including Cisco, Juniper, Dell, HP, and others. Always verify compatibility with your specific switch or router model before deployment.

Q: What is the maximum data rate this cable supports?
A: The CAB-SFP-SFP-2.5M supports data rates up to 10.5 Gbps, covering 10G Ethernet (10GBase-CU), 8G Fibre Channel, 10G Fibre Channel over Ethernet (FCoE), and InfiniBand QDR, DDR, and SDR applications.

Q: Can this cable be used in demanding data center environments?
A: Yes, this cable is designed for enterprise data centers and high-performance computing environments. It features high-shielding PVC jacket protection, low insertion loss, ultra-low crosstalk, and operates reliably in temperatures from 0°C to 70°C with minimal power consumption and no active cooling requirements.

Q: What is the warranty coverage for this cable?
A: Arista pluggables and cables typically include a one-year limited hardware warranty covering parts, repair, or replacement. Many third-party compatible versions offercoverage. Extended support services including next business day and advance hardware replacement are available for mission-critical deployments.

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