• Extreme Networks 10421 Compatible 1m (3ft) 100G QSFP28 to 4X25G SFP28 Passive Direct Attach Copper Breakout Cable SFPS
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Refurb Squared Extreme Networks 10421 Compatible 1m (3ft) 100G QSFP28 to 4X25G SFP28 Passive Direct Attach Copper Breakout Cable

Refurb Squared Extreme Networks 10421 Compatible 1m (3ft) 100G QSFP28 to 4X25G SFP28 Passive Direct Attach Copper Breakout Cable

Model

Product SKU

RS-Q4SFP-100G-CU1-174804

Description

Refurb Squared delivers fully tested, OEM-compatible optical transceivers, DWDM/CWDM systems, media converters and DAC/AOC cables — coded for Cisco, Huawei, Juniper, Arista, HPE, Dell, Nokia and Fortinet platforms, with lifetime warranty and fast global delivery.

The Extreme Networks 10421 compatible 1m breakout cable provides high-density 100G connectivity for short-reach networking, splitting a QSFP28 port into four 25G SFP28 links. It is constructed with passive copper twinax to ensure reliable aggregated 100Gb/s signal transmission with ultra-low latency and zero power overhead. This assembly is an ideal choice for high-speed switch-to-server connections requiring maximum reliability.

Refurb Squared is brand of OEM-compatible optical networking products, including SFP, SFP+, QSFP+, QSFP28 and QSFP-DD transceivers, DWDM/CWDM systems, media converters, and DAC/AOC cables. Every module is 100% pre-shipment tested and coded for seamless compatibility with major platforms such as Cisco, Huawei, Juniper, Arista, HPE, Dell, Nokia and Fortinet — backed by a lifetime warranty, fast global delivery, and dedicated technical support for data centers, telecom operators, enterprise networks and system integrators worldwide.

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AUTHENTICITY & TESTING

Professionally verified before dispatch.

Every product is prepared for business use with checks for quality, functionality, and physical condition. Refurb Squared focuses on reliable, compatible equipment for enterprise environments.

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Quality checked

Inspected for condition, function, and readiness before fulfilment.

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Business-grade

Selected for dependable use across servers, networks, storage, and IT infrastructure.

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Circular IT

Extends hardware lifecycle and supports more sustainable IT procurement.

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Trusted sourcing

Supplied through a professional refurbished equipment process.

COMPATIBILITY CONFIDENCE

Built to fit your infrastructure.

Not sure if this product is right for your environment? Send us your model, part number, or project requirement and we will help confirm compatibility before purchase.

  • 1Share your server, switch, router, storage, or system model.
  • 2Confirm the required speed, connector, form factor, or configuration.
  • 3Get guidance before placing an order or requesting a quote.
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Lifetime warranty options

Selected products are supported with lifetime warranty coverage for long-term peace of mind.

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Expert support

Our team can help with configuration, compatibility questions, and sourcing alternatives.

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Fast quote assistance

Need bulk quantity, special compatibility, or project pricing? Send your requirement on WhatsApp.

NEED CONFIRMATION?

Ask before you buy.

Send this product link with your requirement and our team will help confirm availability, compatibility, and options.

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