An explansion board you insert into your computer so the computer can be connected to a network
StarTech.com 2-Port PCI Express Serial Interface Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050

StarTech.com 2-Port PCI Express Serial Interface Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Low/Full Profile Brackets, COM Retention, For Windows/Linux - TAA

StarTech.com
£57.99
StarTech.com Quad M.2 PCIe Adapter Card, PCIe x16 to Quad NVMe or AHCI M.2 SSDs, PCI Express 4.0

StarTech.com Quad M.2 PCIe Adapter Card, PCIe x16 to Quad NVMe or AHCI M.2 SSDs, PCI Express 4.0, 7.8GBps/Drive, Bifurcation Required, Windows/Linux Compatible - TAA

StarTech.com
£135.99
StarTech.com 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card

StarTech.com 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retention, Windows/Linux - TAA

StarTech.com
£49.99
StarTech.com 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x

StarTech.com 4-Port USB PCIe Card - 10Gbps USB PCI Express Expansion Card w/ 2 Controllers - 2x USB-C & 2x USB-A ports (USB 3.2 Gen 2) - USB/USB-C PCI-e Card - Full Profile - TAA

StarTech.com
£126.99
StarTech.com SATA PCIe Card - 2 Port PCIe SATA Expansion Card - 6Gbps - Full/Low Profile - PCI Express to SATA

StarTech.com SATA PCIe Card - 2 Port PCIe SATA Expansion Card - 6Gbps - Full/Low Profile - PCI Express to SATA Adapter/Controller - ASM1061 Non-Raid - PCIe to SATA Converter - TAA

StarTech.com
£32.99
StarTech.com SATA PCIe Card - 10 Port PCIe SATA Expansion Card - 6Gbps - Low/Full Profile - Stacked SATA

StarTech.com SATA PCIe Card - 10 Port PCIe SATA Expansion Card - 6Gbps - Low/Full Profile - Stacked SATA Connectors - ASM1062 Non-Raid - PCI Express to SATA Converter/Adapter - TAA

StarTech.com
£103.99
StarTech.com SATA PCIe Card - 4 Port PCIe SATA Expansion Card - 6Gbps - Low/Full Profile - Stacked SATA

StarTech.com SATA PCIe Card - 4 Port PCIe SATA Expansion Card - 6Gbps - Low/Full Profile - Stacked SATA Connectors - ASM1164 Non-Raid - PCI Express to SATA Converter - TAA

StarTech.com
£49.99
StarTech.com SATA PCIe Card - 6 Port PCIe SATA Expansion Card - 6Gbps - Low/Full Profile - Stacked SATA

StarTech.com SATA PCIe Card - 6 Port PCIe SATA Expansion Card - 6Gbps - Low/Full Profile - Stacked SATA Connectors - ASM1166 Non-Raid - PCI Express to SATA Converter - TAA

StarTech.com
£71.99
StarTech.com SATA PCIe Card - 2 Port PCIe SATA Expansion Card - 6Gbps - Full/Low Profile - PCI Express to SATA

StarTech.com SATA PCIe Card - 2 Port PCIe SATA Expansion Card - 6Gbps - Full/Low Profile - PCI Express to SATA Adapter/Controller - ASM1062R SATA RAID - PCIe to SATA Converter - TAA

StarTech.com
£47.99
StarTech.com 8 Port SATA PCIe Card - PCI Express 6Gbps SATA Expansion Adapter Card with 4 Host Controllers

StarTech.com 8 Port SATA PCIe Card - PCI Express 6Gbps SATA Expansion Adapter Card with 4 Host Controllers - SATA PCIe Controller Card - PCI-e x4 Gen 2 to SATA III - SATA HDD/SSD

StarTech.com
£98.99
StarTech.com 5-Port USB PCIe Card - 10Gbps USB 3.2 Gen 2 PCIe Card w/ 1x USB-C & 2x USB-A - 1x 2 Port IDC

StarTech.com 5-Port USB PCIe Card - 10Gbps USB 3.2 Gen 2 PCIe Card w/ 1x USB-C & 2x USB-A - 1x 2 Port IDC (Internal 5Gbps USB Header Expansion) - USB C PCI Express Controller Card - TAA

StarTech.com
£66.99
StarTech.com 1-Port Parallel PCIe Card - PCI Express to Parallel DB25 Adapter Card - Desktop Expansion LPT

StarTech.com 1-Port Parallel PCIe Card - PCI Express to Parallel DB25 Adapter Card - Desktop Expansion LPT Controller for Printers, Scanners & Plotters - SPP/ECP - Standard/Low Profile

StarTech.com
£26.99