Cisco Network Interface Module Adapter - For Data Networking - 1 x T1/E1 NetworkT1/E1 - 1

StarTech.com USB to Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9 - Add 2 DIN Rail-mountable RS232 Serial ports to any system through USB - USB to Serial - USB to RS232 - USB to DB9 - USB to serial Adapter - USB to serial port

Cisco UCS VIC 1340 Adapter for M3 Blade Servers - PCI Express x16 - 2 Port(s) - 40GBase-X - Mezzanine

Cisco 4-Port QSFP Expansion Module - For Data Networking, Optical Network - 4 x Expansion Slots - QSFP

Cisco UCS 2408 I/O Module with 8xSFP-25G-SR-S

StarTech.com 2-Port 10Gbps USB-A & USB-C PCIe Card Adapter - USB 3.2 Gen 2 PCI Express Expansion Add-On Card - Windows, macOS, Linux - USB-A USB-C PCI Express card w/Multiple INs maintains max speed w/mixed speed devices - 2-Port 10Gbps Expansion Host Controller Card 1xUSB-C and 1xUSB-A - PCIe 3.0 x

Cisco Catalyst IE3300 Rugged Series Module, 16 Non-PoE Copper - For Data Networking - 16 x RJ-45 1000Base-T LAN - Twisted PairGigabit Ethernet - 1000Base-T

Netgear 2x40G QSFP+ Port Card - For Data Networking, Optical NetworkOptical Fiber40 Gigabit Ethernet - 40GBase-SR4, 40GBase-LR4, 40GBase-CR4 - 2 x Expansion Slots - QSFP+

Netgear 8x100M/1G/2.5G/5G/10GBASE-T Port Card - For Data Networking - 8 x RJ-45 10GBase-T LAN - Twisted Pair10 Gigabit Ethernet, 2.5 Gigabit Ethernet, 5 Gigabit Ethernet, Gigabit Ethernet - 10GBase-T, 5GBase-T, 2.5GBase-T, 1000Base-T0.10 km (0.06 Mile) Maximum Distance

Netgear 8x100M/1G/2.5G/5G/10GBASE-T PoE+ Port Card - For Data Networking - 8 x RJ-45 10GBase-T LAN - Twisted Pair10 Gigabit Ethernet - 10GBase-T

Lenovo ThinkStation Broadcom BCM5720-2P Dual-port Gigabit Ethernet Adapter - PCI Express - 1000 Mbit/s Data Transfer Rate - Broadcom BCM5720-2P - 2 Port(s) - 2 - Twisted Pair - 10/100/1000Base-T - Plug-in Card

Cisco Nexus 56128P Expansion Module, 24x 10G SFP+ UP, 2 x QSFP+ Fixed Ports - For Data Networking, Optical NetworkTwisted Pair, Optical Fiber10 Gigabit Ethernet, 40 Gigabit Ethernet - 10GBase-X, 40GBase-X - 26 x Expansion Slots - SFP+, QSFP+ - 1

Cisco Catalyst 9300 2 x 40GE Network Module, Spare - For Optical NetworkOptical Fiber40 Gigabit Ethernet - 40GBase-X - 2 x Expansion Slots - QSFP+ - Plug-in Module

Cisco 1440 40Gigabit Ethernet Card - PCI Express 3.0 x16 - 2 Port(s) - 40GBase-X

Cisco Catalyst 9800-80 10 Port 10 GE Module - For Data Networking, Optical Network - 10 x 10GBase-X Network - Optical Fiber10 Gigabit Ethernet - 10GBase-X - Hot-swappable

Cisco ASR 9000 Mod80 Modular Line Cardd - For Data Networking

Cisco ASR 900 Global Navigation Satellite System Module, Spare

Cisco Expansion Module - For Data Networking, Optical Network - 16 x Fiber Channel Network

Cisco Virtual Interface Card - Refurbished - 3.40" (86.36 mm) Height x 5.90" (149.86 mm) Width x 1" (25.40 mm) Depth

Cisco UCS VIC 1480 mezz for B-Series M5 and M6 - PCI Express - 40 Gbit/s Data Transfer Rate - 4 Port(s) - 40GBase-KR4, 10GBase-KR - Mezzanine

APC by Schneider Electric Symmetra Communications Card - 1 x Network (RJ-45) Port(s) - Serial

Lenovo ThinkSystem Broadcom 57454 10/25GbE SFP28 4-port PCIe Ethernet Adapter V2 - PCI Express 3.0 x16 - 25 Gbit/s Data Transfer Rate - 4 Port(s) - Optical Fiber - Full height Bracket Height - 10GBase-X, 25GBase-X - SFP28 - Plug-in Card

Cisco Nexus 3550-F Fusion 16-port SFP Line Card - For Switch - 16 x Gigabit Expansion Slot - Optical FiberGigabit Ethernet - 1000Base-X - 16 x Expansion Slots - SFP (mini-GBIC) - Plug-in Module

StarTech.com 10G PCIe SFP+ Card, Single SFP+ Port Network Adapter, Open SFP+ for MSA-Compliant Modules/Cables, 10 Gigabit PCIe NIC Card - Up to 10 Gbps PCIe network card - MSA compliant SFP+ slot - Eliminate EMI using Fiber - MMF/SMF/Copper Support - 9K Jumbo - Link Aggregation - VLAN tagging - PCIe

Cisco ASR 900 8 port RJ48C T1/E1 Interface Module - For Data Networking - 8 x RJ-48C T1/E1 Network - Twisted PairT1/E1

Belkin USB-C to Ethernet + Charge Adapter - 1 x USB Type C - Male - 1 x RJ-45 Network - Female, 1 x USB Type C - Female - Black

Cisco QSFP Module - For Optical Network, Data NetworkingOptical Fiber25 Gigabit Ethernet - 25GBase-X - 8 x Expansion Slots - QSFP

StarTech.com PCIe Card with Serial and Parallel Port, PCI Express Combo Expansion Adapter Card, 1xDB25 Parallel Port, 1x RS232 Serial Port - PCIe Card with Serial and Parallel Port - 1x DB25 parallel 1x RS232 Serial combo card - Up to 2.5Mbps (DB25)/up to 921.6Kbps (DB9) - SPP/Byte/ECP mode - Asix A

Dell 100Gigabit Ethernet Card - PCI Express - Intel E810 - 2 Port(s) - 2 - Optical Fiber - 100GBase-X - QSFP28

Cisco UCS VIC 1455 Quad Port 10/25G SFP28 PCIe For C-Series And S-Series M5 - PCI Express 3.0 x16 - 4 Port(s) - Optical Fiber - 25GBase-X, 10GBase-X - Plug-in Card