• Intel green black dual-port 100GbE QSFP56 network card for Cisco HCI-P-MCD100GF
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Cisco

Cisco HCI-P-MCD100GF | 2x 100GbE QSFP56 | PCIe Gen4 x16 | RoCEv2/RDMA, SR-IOV | Low-profile

HCI-P-MCD100GF

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Description

Dual-port 100GbE adapter with QSFP56 cages and PCIe Gen4 x16 bandwidth for ultra-low latency fabrics, scale-out storage, and high-performance compute. Supports RoCEv2/RDMA, NVMe-oF, and advanced offloads to maximize throughput and minimize CPU overhead. Backward compatible with QSFP28/QSFP+ optics and DACs at supported link rates for flexible migrations.

Features

- Dual 100GbE ports for high-throughput networking
- PCIe Gen4 x16 host interface for maximum bandwidth
- RoCEv2/RDMA acceleration for ultra-low latency
- NVMe-oF ready for modern storage fabrics
- QSFP56 cages with backward compatibility to QSFP28/QSFP+

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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Technical Specifications

FAQs

Technical Specifications

- Ports: 2x 100GbE QSFP56
- PCIe interface: PCIe 4.0 x16
- Supported link rates: 100/50/40GbE (port and transceiver dependent)
- RDMA: RoCE v2 for low-latency transport
- Storage: NVMe-oF capable
- Virtualization: SR-IOV, multi-queue
- Timing: IEEE 1588v2/PTP support
- Compatibility: Backward compatible with QSFP28/QSFP+ optics/DACs at supported rates
- Form factor: Low-profile PCIe add-in card
- OS support: Major Linux distributions, Windows Server, VMware ESXi

FAQs

Q: Is it backward compatible with existing 100G QSFP28 optics?
A: Yes. QSFP56 cages accept QSFP28 modules and DACs, operating at supported link rates such as 100GbE.

Q: Does it support 40GbE?
A: Yes, when used with compatible QSFP+ optics/DACs and appropriate configuration.

Q: Do I need PCIe Gen4 to get full performance?
A: PCIe Gen4 x16 is recommended for maximum throughput; it will function in Gen3 slots with reduced host bandwidth.

Q: Is PFC/DCB required for RoCEv2?
A: Priority Flow Control (PFC) and Data Center Bridging (DCB) are recommended to ensure lossless transport for RoCE.

Q: Are breakouts supported?
A: Support for breakouts depends on optics/DAC and firmware; consult platform release notes for specific breakout modes.

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