Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not an authorized dealer of any manufacturer listed on this site.
Mellanox MCX631102AN-ADAT Ethernet Adapter 25GbE Dual SFP28 PCIe 4.0
Mellanox Refurbished In Stock

Mellanox MCX631102AN-ADAT Ethernet Adapter 25GbE Dual SFP28 PCIe 4.0

SKU: MCX631102AN-ADAT

The Mellanox MCX631102AN-ADAT is a high-performance network adapter from NVIDIA’s ConnectX-6 Lx family. Designed for next-generation data centers, this adapter provides two 25GbE SFP28 ports and PCIe Gen 4.0 x8 connectivity, ensuring maximum throughput with low latency. It supports a wide range of Ethernet standards and encapsulation protocols including NVGRE, VXLAN, and RoCE, making it ideal for enterprise and cloud-scale workloads.

$286 Free Ground Shipping
Lifetime Warranty
Genuine Hardware
Verified Serial Numbers
Free Ground Shipping
This is a refurbished/surplus product independently sourced by Eldo Systems. It is not sold by or through Mellanox. All manufacturer trademarks are property of their respective owners.

Key Specifications

Data Rate1/10/25 Gb/s
InterfacePCI Express Gen 4.0 x8
Form FactorLow-profile HHHL with tall bracket (96.3 × 68.9 mm)
25GbE Dual-Port ConnectivityDual SFP28 ports support copper and optical modules for flexible deployment.
PCIe 4.0 x8 InterfaceEnsures high-bandwidth performance with backward compatibility to Gen 3.0.
Hardware OffloadsAccelerates NVGRE, VXLAN, RoCE, and SR-IOV for optimized CPU usage and improved efficiency.

Full Specifications

Model NumberMCX631102AN-ADAT
25GbE Dual-Port ConnectivityDual SFP28 ports support copper and optical modules for flexible deployment.
PCIe 4.0 x8 InterfaceEnsures high-bandwidth performance with backward compatibility to Gen 3.0.
Hardware OffloadsAccelerates NVGRE, VXLAN, RoCE, and SR-IOV for optimized CPU usage and improved efficiency.
Compact Form FactorLow-profile HHHL card with tall bracket (short bracket optional).
Energy EfficientOperates at just 10.73W typical power on Gen 3 and 11.53W on Gen 4 passive cable setups.
Robust DesignOperational temperature support up to 55°C and certified for EMC, CE, FCC, RoHS compliance.
Enterprise ReadyCompatible with major OSes including Linux, Windows, VMware, and FreeBSD with full driver support.
ModelMCX631102AN-ADAT
Ports2× SFP28

Frequently Asked Questions

Is the MCX631102AN-ADAT in stock?

Yes, the Mellanox MCX631102AN-ADAT Ethernet Adapter 25GbE Dual SFP28 PCIe 4.0 is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.

What condition is the MCX631102AN-ADAT in?

This MCX631102AN-ADAT is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.

What warranty does the MCX631102AN-ADAT come with?

The MCX631102AN-ADAT comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.

How fast is shipping?

Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.

Do you ship internationally?

Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.

Can I get bulk or project pricing for the MCX631102AN-ADAT?

Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.

Ready to Order?

Get the MCX631102AN-ADAT from Eldo Systems with lifetime warranty and free ground shipping.

(484) 630-1533

Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.

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