Lightwin 25G SFP28 to SFP28 Direct Attach Cable (DAC), 0.5m, HPE/Aruba Compatible LWO-DAC-SFP28-0.5M-HPE

In a busy data center, a network engineer needs a reliable, low-latency link between a top-of-rack switch and a server NIC. The Lightwin LWO-DAC-SFP28-0.5M-HPE is a passive copper Direct Attach Cable that delivers 25 Gigabit Ethernet over a short 0.5-meter span, with SFP28 connectors on both ends. It is fully compatible with HPE and HP Aruba switches and routers, making it a straightforward choice for high-density 25G deployments.

Key specifications

• Product type: Direct Attach Cable (DAC)
• Cable type: Passive copper
• Data rate: 25 Gbps (25GBASE-CR)
• Connector A: SFP28
• Connector B: SFP28
• Length: 0.5 meters (50 cm)
• Wire gauge: 30 AWG
• Impedance: 100 Ohm
• Power consumption: < 0.1 W
• Operating temperature: 0°C to 70°C
• Storage temperature: -40°C to 85°C
• Compliance: RoHS, CE, FCC

Why choose it

This DAC cable eliminates the need for separate optical transceivers and fiber, reducing cost and complexity for short-reach connections. Its passive design consumes minimal power and generates little heat, contributing to overall energy efficiency in the rack. The hot-swappable SFP28 connectors allow for quick installation and replacement without downtime.

Ideal use cases

• Connecting servers to top-of-rack switches in data centers
• Linking storage arrays to network fabrics
• High-performance computing clusters requiring low-latency 25G links
• Enterprise network edge deployments with HPE/Aruba equipment

Good to know

The cable is built with a PVC jacket for durability and flexibility in tight cable management setups. It supports a voltage of 3.3V and is backed by compliance with major safety and environmental standards. For best performance, keep the bend radius within recommended limits to avoid signal degradation.