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HPE

HPE K2Q21A | 10G SFP+ DAC | Passive Twinax | 10GBASE-CU | 3m reach | SFP+ to SFP+

SKU:K2Q21A

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Description

Passive SFP+ direct attach copper cable for cost‑effective, low‑latency 10GbE and FCoE connections between switches, servers, and storage within the rack. Eliminates optical transceivers for short‑reach links while delivering reliable 10G performance with minimal power draw.

Features

- Low-cost, low-latency 10G interconnect
- No transceivers required; simple SFP+ to SFP+ hookup
- Passive design with minimal power draw
- MSA-compliant for broad device compatibility
- Ideal for short in-rack or adjacent-rack links

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: Is this cable active or passive?
A: It is a passive twinax SFP+ DAC.

Q: What is the maximum supported speed?
A: 10 Gbps per link.

Q: Will this work in any SFP+ port?
A: It is MSA-compliant, but the host device must support passive DAC cables. Check platform compatibility.

Q: Can this connect 1GbE devices?
A: SFP+ DAC is intended for 10GbE; 1GbE operation is typically not supported.

Q: Is it suitable for Fibre Channel?
A: It is primarily for 10GbE and FCoE on Ethernet; native Fibre Channel links use FC optics/cables.

Technical Specifications

- Data rate: 10 Gbps (10GbE/FCoE)
- Form factor: SFP+ Direct Attach Copper (DAC), passive twinax
- Length: 3 meters
- Connectors: SFP+ to SFP+
- Standard/Compliance: SFP+ MSA compliant; 10GBASE-CU
- Power: Passive cable, near-zero added power consumption
- Applications: ToR switch-to-server/storage, short-reach interconnects
- Compatibility: Works with SFP+ ports that support passive DAC cables

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