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HPE

HPE JG326A | 40G QSFP+ DAC | passive twinax | 1m | 40GBASE-CR4 | QSFP+<->QSFP+

SKU:JG326A

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Description

High-performance 40GbE direct-attach copper cable for short-reach QSFP+ interconnects. The passive twinax design delivers ultra-low latency and minimal power usage, ideal for top-of-rack, switch-to-switch, and NIC uplinks within 1 meter. MSA- and IEEE-compliant for broad interoperability across standards-based QSFP+ ports.

Features

- Low-latency 40GbE connectivity for short-reach links
- Passive twinax design minimizes power and heat
- MSA and IEEE 802.3ba compliant for multi-vendor interoperability
- Robust QSFP+ direct-attach connectors for secure fit
- Ideal for top-of-rack, aggregation, and switch stacking
- Simple, hot-pluggable installation

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 passive or active?
A: It is a passive twinax DAC, requiring no external power and offering very low latency.

Q: What standard does it support?
A: It supports IEEE 802.3ba 40GBASE-CR4 and is MSA/SFF-8436 compliant.

Q: Will it work with non-proprietary QSFP+ ports?
A: Yes, it is standards-based and designed for interoperability with QSFP+ ports that support passive DAC.

Q: What applications is 1m suitable for?
A: Short intra-rack or adjacent rack connections such as top-of-rack switch to server/NIC or switch-to-switch.

Q: Does it require configuration?
A: No configuration is required; it is hot-pluggable and link comes up automatically when both ends support 40GBASE-CR4.

Technical Specifications

- Data rate: 40 Gbps (4x10G lanes)
- Form factor: QSFP+ to QSFP+
- Cable type: Passive twinax DAC
- Length: 1 meter
- Base standard: IEEE 802.3ba 40GBASE-CR4
- Compliance: MSA, SFF-8436
- Connector: QSFP+ direct-attach ends
- Power: No external power (passive)
- Typical use: ToR, switch-to-switch, NIC uplinks
- Interoperability: Works with QSFP+ ports supporting passive DAC

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