An explansion board you insert into your computer so the computer can be connected to a network
StarTech.com 4 port PCI 1394a FireWire Adapter Card - 3 External 1 Internal - TAA

StarTech.com 4 port PCI 1394a FireWire Adapter Card - 3 External 1 Internal - TAA

StarTech.com
£26.99
StarTech.com USB to M.2 SATA Converter for Raspberry Pi and Development Boards - TAA

StarTech.com USB to M.2 SATA Converter for Raspberry Pi and Development Boards - TAA

StarTech.com
£26.99
StarTech.com 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels

StarTech.com 4-Port USB 3.1 PCIe Card - 3x USB-A and 1x USB-C - 2x Dedicated Channels

StarTech.com
£53.99
StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 - TAA

StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 - TAA

StarTech.com
£53.99
StarTech.com PCI Express X1 to X16 Low Profile Slot Extension Adapter - TAA

StarTech.com PCI Express X1 to X16 Low Profile Slot Extension Adapter - TAA

StarTech.com
£23.99
StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - TAA

StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - TAA

StarTech.com
£20.99
StarTech.com 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA

StarTech.com 4 Port PCI Express USB 3.0 Card - 5Gbps - 2 External & 2 Internal - SATA Power - UASP Support - 2x Internal (IDC) Motherboard-Style Headers - TAA

StarTech.com
£36.99
StarTech.com 2 Port PCI Express / PCI-e Parallel Adapter Card – IEEE 1284 with Low Profile Bracket

StarTech.com 2 Port PCI Express / PCI-e Parallel Adapter Card – IEEE 1284 with Low Profile Bracket

StarTech.com
£18.99
StarTech.com PCI Express to PCI Adapter Card - TAA

StarTech.com PCI Express to PCI Adapter Card - TAA

StarTech.com
£44.99
StarTech.com 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA / SP4 Power

StarTech.com 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA / SP4 Power

StarTech.com
£72.99
StarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Controller - PCI to Printer Card

StarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Controller - PCI to Printer Card

StarTech.com
£26.99
StarTech.com 2 port PCI Express SuperSpeed USB 3.0 Card with UASP Support - 5Gbps - 1 Internal 1 External - TAA

StarTech.com 2 port PCI Express SuperSpeed USB 3.0 Card with UASP Support - 5Gbps - 1 Internal 1 External - TAA

StarTech.com
£37.99