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HPE

HPE JH698A | 40G QSFP+ DAC | 40GBASE-CR4 | passive twinax copper | reach 3m | QSFP+ to QSFP+

SKU:JH698A

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Description

High-performance direct-attach copper cable for 40GbE switch-to-switch or switch-to-NIC connections in top-of-rack and short-reach aggregation links. Passive twinax design delivers ultra‑low latency and zero power draw while maintaining robust signal integrity over 3 meters. MSA-compliant QSFP+ ends ensure broad interoperability across standards-based 40G ports.

Features

- Zero-power passive design for efficient, cool operation
- Ultra-low latency connectivity ideal for high-performance networks
- Standards-compliant QSFP+ interfaces for broad device compatibility
- Robust latching connectors and durable twinax construction
- Optimized for short-reach 40GbE links within and between racks

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 with no active components, providing very low latency and near‑zero power draw.

Q: What is the supported reach?
A: This model supports up to 3 meters, suitable for in-rack and adjacent-rack connections.

Q: Is it interoperable with standards-based QSFP+ 40G ports?
A: Yes. It follows the QSFP+ MSA and 40GBASE-CR4 (IEEE 802.3ba) specifications for wide interoperability.

Q: Can this be used for breakout to 10G?
A: No. This is a straight QSFP+ to QSFP+ 40G cable. Use a QSFP+ to 4x SFP+ breakout DAC for 10G fan-out.

Q: Does it require any optics or transceivers?
A: No. DACs plug directly into QSFP+ cages and do not require separate optical transceivers.

Technical Specifications

- Type: Direct Attach Copper (DAC), passive twinax
- Data rate: 40 GbE
- Form factor: QSFP+ to QSFP+
- Ethernet standard: 40GBASE-CR4 (IEEE 802.3ba)
- Length: 3 meters
- Power: Passive, near-zero power consumption
- Latency: Ultra-low, no active components
- MSA compliance: QSFP+ (SFF-8436)
- Applications: TOR, switch-to-switch, switch-to-NIC short-reach links
- Jacket/medium: Copper twinax

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