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HPE

HPE 537963-B21 | 10GbE SFP+ DAC, 5m passive copper, 10GBASE-CR, SFP+ to SFP+

SKU:537963-B21

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Description

Direct Attach Copper twinax cable for short-reach 10GbE links between switches and servers. Passive 5-meter SFP+ to SFP+ assembly delivers ultra-low latency and low power consumption, ideal for top-of-rack connections. Compatible with SFP+ ports on data center equipment, including BladeSystem c-Class.

Features

- Ultra-low latency 10GbE connectivity
- Low power and heat versus optical links
- Cost-effective short-reach interconnect
- Robust strain relief for data center reliability
- Plug-and-play SFP+ compliance

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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FAQs

Technical Specifications

FAQs

Q: What is the difference between passive and active DAC?
A: Passive DAC relies on the host PHY for signal conditioning and is lower cost and power; active DAC includes built-in signal conditioning for longer runs.

Q: Can this cable reach beyond 5 meters?
A: No. For longer distances, consider active DAC, AOC, or fiber with SFP+ optics.

Q: Is it vendor-locked?
A: Compatibility depends on host port coding policies; check your platform’s transceiver/DAC compatibility list.

Q: Does it support 1/10Gb auto-negotiation?
A: DAC assemblies operate at the configured speed of the host; ensure both ends are set for 10GbE.

Technical Specifications

- Cable type: Direct Attach Copper (DAC), passive twinax
- Interface: SFP+ to SFP+
- Data rate: 10GbE
- Standard: 10GBASE-CR
- Length: 5 meters
- Power: Passive (no external power required)
- Typical use: Short-reach switch-to-server or TOR interconnects
- Compatibility: SFP+ ports on servers, switches, and storage (including c-Class blades)

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