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    Best Seller
    Startech Dual Port 40G QSFP+ Network Card - Intel XL710 Open QSFP+ Converged Adapter PCIe 40 Gigabit Fiber Ethernet Server 40GbE NIC - Dual Port 40G Open QSFP+ Network Card - MSA compliant - 40 Gig...

    Startech Dual Port 40G QSFP+ Network Card - Intel XL710 Open QSFP+ Converged Adapter PCIe 40 Gigabit Fiber Ethernet Server 40GbE NIC - Dual Port 40G Open QSFP+ Network Card - MSA compliant - 40 Gig...

    Startech Dual Port 40G QSFP+ Network Card - Intel XL710 Open QSFP+ Converged Adapter PCIe 40 Gigabit Fiber Ethernet Server 40GbE NIC - Dual Port 40G Open QSFP+ Network Card - MSA compliant - 40 Gigabit Ethernet Converged Network Adapter - Intel... more

    $812.00 $570.61

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    Startech Cisco QSFP-40GE-LR4 Comp. QSFP+ Module - 40GBASE-LR4 - 40GE Gigabit Ethernet 40GbE Single Mode Fiber SMF Optic Transceiver - Cisco QSFP-40GE-LR4 Compatible QSFP+ - 40GBASE-LR4 40 Gbps - 40...

    Startech Cisco QSFP-40GE-LR4 Comp. QSFP+ Module - 40GBASE-LR4 - 40GE Gigabit Ethernet 40GbE Single Mode Fiber SMF Optic Transceiver - Cisco QSFP-40GE-LR4 Compatible QSFP+ - 40GBASE-LR4 40 Gbps - 40...

    Startech Cisco QSFP-40GE-LR4 Comp. QSFP+ Module - 40GBASE-LR4 - 40GE Gigabit Ethernet 40GbE Single Mode Fiber SMF Optic Transceiver - Cisco QSFP-40GE-LR4 Compatible QSFP+ - 40GBASE-LR4 40 Gbps - 40GbE Module - 40GE Gigabit Ethernet QSFP+ 1270nm to... more

    $1,022.44

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    Best Seller
    StarTech.com MSA Uncoded 30m 40G QSFP+ to SFP AOC Cable 40 GbE QSFP+ Active Optical Fiber 40 Gbps QSFP Plus Cable 98.4

    StarTech.com MSA Uncoded 30m 40G QSFP+ to SFP AOC Cable 40 GbE QSFP+ Active Optical Fiber 40 Gbps QSFP Plus Cable 98.4

    The QSFP40GAO30M is an MSA compliant optical quad small form-factor pluggable (QSFP+) cable that is designed programmed and tested to work with 40 GbE compatible switches and routers. This AOC QSFP+ cable supports 40 Gigabit Ethernet applications (4 x... more

    $489.62

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    StarTech.com MSA Uncoded 10m 40G QSFP+ to SFP AOC Cable 40 GbE QSFP+ Active Optical Fiber 40 Gbps QSFP Plus Cable 32.8

    StarTech.com MSA Uncoded 10m 40G QSFP+ to SFP AOC Cable 40 GbE QSFP+ Active Optical Fiber 40 Gbps QSFP Plus Cable 32.8

    The QSFP40GAO10M is an MSA compliant optical quad small form-factor pluggable (QSFP+) cable that is designed programmed and tested to work with 40 GbE compatible switches and routers. This AOC QSFP+ cable supports 40 Gigabit Ethernet applications (4 x... more

    $525.45 $421.31

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    StarTech.com Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Module 40GBASE-SR4 40GE QSFP+ 40GbE Multimode Fiber MMF Optic Transceiver 400m DDM

    StarTech.com Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Module 40GBASE-SR4 40GE QSFP+ 40GbE Multimode Fiber MMF Optic Transceiver 400m DDM

    Wavelength: 850nm Maximum Data Transfer Rate: 40 Gbps Type: Multi Mode Fiber Connection Type: MPO Maximum Transfer Distance: 400 m (1312 ft.) MTBF: 45 017 120 hours Power Consumption: Low power consumption Digital Diagnostics Monitoring (DDM): Yes more

    $218.58

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    StarTech.com Arista QSFP-40G-LR4 Compatible QSFP+ Module 40GBASE-LR4 40GE QSFP+ 40GbE Single Mode Fiber SMF Optic Transceiver 10km DDM

    StarTech.com Arista QSFP-40G-LR4 Compatible QSFP+ Module 40GBASE-LR4 40GE QSFP+ 40GbE Single Mode Fiber SMF Optic Transceiver 10km DDM

    Wavelength: 1270nm to 1330nm Maximum Data Transfer Rate: 40 Gbps Type: Single Mode Fiber Connection Type: LC Connector Maximum Transfer Distance: 10 km (6.2 mi) MTBF: 95 832 027 hours Power Consumption: < 1.3W Digital Diagnostics Monitoring (DDM): Yes more

    $956.07

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    StarTech.com Extreme Networks 10319 Compatible QSFP+ Module 40GBASE-SR4 40GE QSFP+ 40GbE Multimode Fiber MMF Optic Transceiver 150m DDM

    StarTech.com Extreme Networks 10319 Compatible QSFP+ Module 40GBASE-SR4 40GE QSFP+ 40GbE Multimode Fiber MMF Optic Transceiver 150m DDM

    Wavelength: 850nm Maximum Data Transfer Rate: 40 Gbps Type: Multi Mode Fiber Connection Type: MPO Connector Maximum Transfer Distance: 150 m (492 ft) MTBF: 244 610 583 hours Power Consumption: Low power consumption Digital Diagnostics Monitoring (DDM):... more

    $339.69

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    Cisco QSFP-40G-SR4 Compatible 40 Gigabit Fiber 40GBase-SR4 QSFP+ Transceiver Module -

    Cisco QSFP-40G-SR4 Compatible 40 Gigabit Fiber 40GBase-SR4 QSFP+ Transceiver Module -

    With powerful four-lane performance this 40GBase-SR4 QSFP+ delivers 40 Gigabit connectivity over multimode fiber with an optical wavelength of 850nm and a range of up to 150 m (492 ft.). It provides a dependable and cost-effective way to add replace or... more

    $158.63

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    Cisco QSFP-40G-LR4-S Compatible 40 Gigabit Fiber 40GBase-LR4 QSFP+ Transceiver Module -

    Cisco QSFP-40G-LR4-S Compatible 40 Gigabit Fiber 40GBase-LR4 QSFP+ Transceiver Module -

    With powerful four-lane performance this 40GBase-LR4 QSFP+ transceiver module delivers 40 Gigabit connectivity over single-mode fiber with a wavelength of 1270nm to 1330nm and a range of up to 10 km (6.2 mi.). It provides a dependable and... more

    $12.02

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    Cisco QSFP-40G-LR4 Compatible 40 Gigabit Fiber 40GBase-LR4 QSFP+ Transceiver Module -

    Cisco QSFP-40G-LR4 Compatible 40 Gigabit Fiber 40GBase-LR4 QSFP+ Transceiver Module -

    With powerful four-lane performance this 40GBase-LR4 QSFP+ transceiver module delivers 40 Gigabit connectivity over single-mode fiber with an optical wavelength of 1270nm to 1330nm and a range of up to 10 km (6.2 mi.). It provides a dependable and... more

    $1,477.52 $1,226.71

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    StarTech.com PEX40GQSFPI QSFP+ Server Network Card - PCIe 40Gbps - Converged Fiber NIC Adapter - Intel XL710 Chip (PEX40GQSFPI)

    StarTech.com PEX40GQSFPI QSFP+ Server Network Card - PCIe 40Gbps - Converged Fiber NIC Adapter - Intel XL710 Chip (PEX40GQSFPI)

    PCI Express Ethernet adapter card adds 40 Gigabit network connectivity to your P more

    $452.96

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    Dual Port QSFP+ Server NIC Card - Intel XL710 Chip - 40gb NIC - PCIe Network Card - Network Interfac

    Dual Port QSFP+ Server NIC Card - Intel XL710 Chip - 40gb NIC - PCIe Network Card - Network Interfac

    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.... more

    $569

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