QSFP Network Cards

PCIe, QSFP, Intel

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Intel® Ethernet Network Adapter E810-CQDA2

$460.00as of 11/04/2026 03:07 PST - Details

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Pros

+Uses a PCIe interface for desktop installation

+Built on an Intel chip

+Provides QSFP ports for high-speed fiber or direct-attach connections

How pros and cons are picked (About: Disclaimer)

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About this product

100 Speed, 2 Ports, PCIe, QSFP

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100G Fiber Optic Network Interface Controller - Ethernet Network Interface Controller 100G Dual Port QSFP28 PCIe 4.0x16

$5,018.00as of 11/04/2026 10:07 PST - Details

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Spec score8.9

Pros

+100 Gbps speed for high-bandwidth networks

+Dual QSFP28 ports for two high-speed connections

+PCIe 4.0 x16 interface

+SR-IOV support for virtualization

Cons

−Requires a PCIe x16 slot in the host system

Compared with the 7 Network Cards on this page

+2 ports: the most ports of the 23 here

+SR-IOV: only 4 of 35 here have one

How pros and cons are picked (About: Disclaimer)

About this product

40 Speed, 2 Ports, PCI, QSFP

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XL710-QDA2 Ethernet Integrated Network Adapter 40G | Dual QSFP+Port PCI E x8 XL710QDA2BLK Server 2 optical

$253.09as of 11/04/2026 09:09 PST - Details

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Spec score7.9

Pros

+40 Gbps speed for high-throughput server links

+Two QSFP+ ports for dual connections

+Intel XL710 chipset

Cons

−Requires QSFP+ transceivers or cables to connect

Compared with the 7 Network Cards on this page

+2 ports: the most ports of the 23 here

−40 speed: 23 of the 30 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

40 Speed, 1 Ports, PCIe, QSFP

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XL710 Chipset PCIe 3.0 X8 QSFP+40G Network Card-XL710-QDA1 | Single Port(Short Bracket)

$304.84as of 11/04/2026 09:09 PST - Details

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Spec score7.5

Pros

+40 Gbps speed for high-throughput server links

+Single QSFP+ port

+PCIe 3.0 x8 interface

+Intel XL710 chipset

Cons

−Requires QSFP+ transceivers or cables to connect

−Short bracket only fits low-profile slots

Compared with the 7 Network Cards on this page

−1 ports: 18 of the 23 here have more ports

−40 speed: 23 of the 30 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

40 Speed, 2 Ports, PCIe, QSFP

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X710BM2/AM2 chip network card dual port PCIe 3.0 X8 | XL710-QDA2-QSFP+40G(Short and Long)

$535.55as of 11/04/2026 09:09 PST - Details

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Spec score7.9

Pros

+40 Gbps speed per port

+Two QSFP ports on one card

+PCIe 3.0 x8 bus connection

Compared with the 7 Network Cards on this page

+2 ports: the most ports of the 23 here

−40 speed: 23 of the 30 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

100 Speed, 2 Ports, PCIe, QSFP

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Vogzone for E810-CQDA2 Network Adapter, 100GbE 2X QSFP28 PCIe 4.0 x16 NIC | 25/50/100GbE Dual QSFP28 Ports NIC with

$439.99as of 11/04/2026 03:08 PST - Details

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Spec score8.9

Pros

+Dual QSFP28 ports for 100GbE connections

+PCIe 4.0 x16 interface for high-bandwidth throughput

+Supports SR-IOV virtualization

+Low-profile form factor fits compact chassis

Cons

−Requires a PCIe x16 slot to install

Compared with the 7 Network Cards on this page

+2 ports: the most ports of the 23 here

+SR-IOV: only 4 of 35 here have one

How pros and cons are picked (About: Disclaimer)

About this product

PCIe, QSFP, Intel

Product details×

Intel Network E835CQDA2 Ethernet Network Adapter E835-CQDA2 Retail

$662.95as of 11/04/2026 06:05 PST - Details

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Pros

+Uses a QSFP port for network connectivity

+Uses a PCIe bus to connect to the motherboard

+Intel chipset for an Intel-based network adapter

How pros and cons are picked (About: Disclaimer)

About this product