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Refurb Squared NVIDIA/Mellanox C8240 (900-9X81Q-00CN-ST0) ConnectX-8 InfiniBand & Ethernet SuperNIC, SocketDirect NDR 400Gb/s PAM4 100G/Lane, Dual-port QSFP112, PCIe 6.0 x 16, Tall Bracket

Refurb Squared NVIDIA/Mellanox C8240 (900-9X81Q-00CN-ST0) ConnectX-8 InfiniBand & Ethernet SuperNIC, SocketDirect NDR 400Gb/s PAM4 100G/Lane, Dual-port QSFP112, PCIe 6.0 x 16, Tall Bracket

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Product SKU

SKU:RS-C8240-157890

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.

NVIDIA C8240 (900-9X81Q-00CN-ST0) is part of the NVIDIA ConnectX-8 series of SuperNIC network interface cards. It uses the HHHL specification and is compatible with corresponding server slots. The default operating mode is 400GbE, and it is also compatible with the NDR IB network protocol, making it flexible for use in various network environments. The network card is equipped with dual-port QSFP112 interfaces, enabling efficient and flexible data transmission. It is optimized to supercharge hyperscale AI computing workloads.

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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