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Refurb Squared NVIDIA/Mellanox Compatible 400GBASE-FR4 QSFP112 4 x 100G PAM4 1310nm 2km DOM Duplex LC/UPC SMF InfiniBand NDR Optical Transceiver Module for ConnectX-7 HCA

Refurb Squared NVIDIA/Mellanox Compatible 400GBASE-FR4 QSFP112 4 x 100G PAM4 1310nm 2km DOM Duplex LC/UPC SMF InfiniBand NDR Optical Transceiver Module for ConnectX-7 HCA

Transceiver Models
Compatible Brands

Product SKU

RS-QSFP112-FR4-400G400G-FR4-18779

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 NVIDIA/Mellanox Compatible QSFP112 InfiniBand NDR Optical Transceiver is an InfiniBand 400Gb/s Single-port QSFP112, FR4 single-mode parallel transceiver using a single, 4-channel Duplex LC/UPC optical connector. The Reach 4-channel (FR4) design uses 100G-PAM4 modulation and has a maximum fiber reach of 2km using OS2 single mode fibers. It is qualified for use in InfiniBand NDR end-to-end systems. It is the ideal solution for supercomputing, seamlessly integrating into computing and storage infrastructure to ensure efficient high-performance interconnectivity. Used in ConnectX-7/QSFP112 adapters linked to Twin-port transceivers in 2x400G IB switches.

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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