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Cisco

Cisco HX-PCIE-ID40GF | Dual-port 40GbE QSFP+ PCIe 3.0 x8 NIC | 40G or 4x10G breakout | SR-IOV | VXLAN/GENEVE offloads

SKU:HX-PCIE-ID40GF

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Description

High-bandwidth dual 40GbE QSFP+ adapter for aggregation, storage, and HPC nodes. Supports native 40G or 4x10G breakout per port with QSFP+ to 4xSFP+ DAC/AOC, plus hardware offloads and SR-IOV for virtualized workloads.

Features

- Dual 40GbE QSFP+ for ultra-high bandwidth server connectivity
- Flexible 40G or 4x10G breakout for mixed environments
- SR-IOV and advanced offloads to reduce CPU usage
- Overlay acceleration for VXLAN/GENEVE/NVGRE
- Broad OS and hypervisor compatibility

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Does it support 4x10G breakout?
A: Yes. Each QSFP+ port can be split into 4 x 10GbE lanes using a QSFP+ to 4xSFP+ DAC/AOC or supported breakout optics.

Q: What cabling/optics are supported?
A: MSA-compliant QSFP+ optics and DAC/AOC cables are supported; for 4x10G, use QSFP+ to 4xSFP+ breakout cables.

Q: What PCIe slot is required?
A: A PCIe 3.0 x8 (or x16) slot is recommended for full throughput.

Q: Is SR-IOV available?
A: Yes, SR-IOV is supported to accelerate virtualized environments.

Q: Are jumbo frames supported?
A: Yes, up to 9K MTU.

Technical Specifications

- Ports: 2 x 40 Gigabit Ethernet
- Port type: QSFP+ (MSA-compliant)
- Per-port modes: 40G or 4 x 10G breakout (via QSFP+ to 4xSFP+ DAC/AOC)
- PCIe interface: PCI Express 3.0 x8
- Compatible media: QSFP+ optics and DAC/AOC; breakout to SFP+ for 10G
- Network overlays: VXLAN, NVGRE, GENEVE offload
- Virtualization: SR-IOV with multiple Tx/Rx queues
- Offloads: Checksum, TSO/LRO, RSS, VLAN 802.1Q
- Jumbo frames: up to 9K MTU
- Boot options: PXE boot, iSCSI boot support
- Standards: IEEE 802.3ba (40GBASE), 802.3ae/802.3by for 10G in breakout, 802.1Q
- OS support: Windows Server, major Linux distros, VMware ESXi

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