Get fast, high-bandwidth connectivity with this dual-port QSFP+ Network Interface Card. It adds two open QSFP+ slots to your server or workstation. The 40G NIC features an Intel® controller and provides redundant network links with reliable performance. It's ideal for high-demand database servers, virtualized servers and agile data centers that require infrastructure updates with no downtime.

Increase your network speed

This dual port QSFP+ server NIC card lets you take advantage of the speed and stability of a 40 Gigabit network, with data transfers of up to 40Gbps.

Add redundant connections in zero-downtime environments

With two QSFP+ ports, the PCIe NIC helps to prevent network downtime by adding fault-tolerant connections using two modules, to provide high-bandwidth network links to your mission-critical servers or workstations.

Add scalable network connections

With its open QSFP+ slots, the network interface card supports QSFP+ transceiver modules and is compatible with multimode and single-mode fiber, providing a scalable networking solution.

Enhance your network capabilities

The 40G NIC uses an Intel XL710 chipset providing reliable connectivity and convergent network features. It offers many advanced features including Intel Virtualization Technology for Connectivity.

The PEX40GQSFDPI is backed by a StarTech.com 2-year warranty and free lifetime technical support.

More from the Manufacturer

• DUAL QSFP+ NETWORK CARD: Two port 40GbE converged network adapter for redundancy or can be aggregated for demanding applications; Data Center Bridging (DCB), virtualization & iSCSI offload support
• TECH SPECS: 2x 40 Gbps Open QSFP+ Ports
• MSA Compliant
• Intel XL710 Chip
• MMF & SMF Fiber Support
• PCIe 3.0 x8
• PXE Boot
• 9K Jumbo Frames
• VLAN
• Full & low profile
• 2 Yr. Warranty
• TESTED & VERIFIED PERFORMANCE: We use Spirent SmartBits to validate performance of this 40 Gigabit Ethernet Card; compatible w/ leading servers like Dell PowerEdge, HPE ProLiant & Lenovo ThinkSystem
• FLEXIBLE: Use MSA compliant QSFP+ or direct attach cable (DAC) supporting different fiber types w/this 40GbE PCI Express NIC; works w/ leading brands of switches, routers, & devices like Cisco & HPE
• WIDE HYPEVISOR & OS COMPATIBILITY: Network Interface Card works w/ Windows 7, 8, 8.1, 10; Windows Server 2008 R2, 2012, 2012 R2, 2016, 2019; Linux kernels 3.x + (LTS versions); VMWare ESXi 5.0, 5.1+