An explansion board you insert into your computer so the computer can be connected to a network
StarTech.com 4 Port PCI Express PCIe SuperSpeed (5Gbps) USB 3.0 Card Adapter w/ 2 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power

StarTech.com 4 Port PCI Express PCIe SuperSpeed (5Gbps) USB 3.0 Card Adapter w/ 2 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power

StarTech.com
£62.99
StarTech.com U.2 (SFF-8643) to M.2 PCI Express 3.0 x4 Host Adapter Card for 2.5” U.2 NVMe SSD

StarTech.com U.2 (SFF-8643) to M.2 PCI Express 3.0 x4 Host Adapter Card for 2.5” U.2 NVMe SSD

StarTech.com
£18.99
StarTech.com Mini-SAS Adapter - Dual SFF-8643 to SFF-8644 - with Full and Low-Profile Brackets - 12Gbps

StarTech.com Mini-SAS Adapter - Dual SFF-8643 to SFF-8644 - with Full and Low-Profile Brackets - 12Gbps

StarTech.com
£76.99
StarTech.com U.2 to PCIe Adapter for 2.5

StarTech.com U.2 to PCIe Adapter for 2.5" U.2 NVMe SSD - SFF-8639 - x4 PCI Express 4.0 - TAA

StarTech.com
£33.99
StarTech.com 2 Port USB A Female Low Profile Slot Plate Adapter

StarTech.com 2 Port USB A Female Low Profile Slot Plate Adapter

StarTech.com
£10.99
StarTech.com PCI Express to 2 PCI & 2 PCIe Expansion Enclosure System - Full Length - TAA

StarTech.com PCI Express to 2 PCI & 2 PCIe Expansion Enclosure System - Full Length - TAA

StarTech.com
£412.99
StarTech.com 3 Port 2b 1a 1394 Mini PCI Express FireWire Card Adapter

StarTech.com 3 Port 2b 1a 1394 Mini PCI Express FireWire Card Adapter

StarTech.com
£34.99
StarTech.com 16-Port Low-Profile Serial Card - RS232 - PCI Express - TAA

StarTech.com 16-Port Low-Profile Serial Card - RS232 - PCI Express - TAA

StarTech.com
£341.99
StarTech.com 3.5in Drive Bay IDE to Single CF SSD Adapter Card Reader - TAA

StarTech.com 3.5in Drive Bay IDE to Single CF SSD Adapter Card Reader - TAA

StarTech.com
£24.99
StarTech.com SATA to USB Cable, USB 10Gbps to 2.5in and 3.5in SATA I II III Hard Drive Adapter, External Converter for SSD or HDD Data Transfer

StarTech.com SATA to USB Cable, USB 10Gbps to 2.5in and 3.5in SATA I II III Hard Drive Adapter, External Converter for SSD or HDD Data Transfer

StarTech.com
£36.99
StarTech.com 9 Pin Serial Male to 10 Pin Motherboard Header LP Slot Plate

StarTech.com 9 Pin Serial Male to 10 Pin Motherboard Header LP Slot Plate

StarTech.com
£6.99
StarTech.com 7-Port PCI Express USB 3.0 Card - 5Gbps - Standard and Low-Profile Design - TAA

StarTech.com 7-Port PCI Express USB 3.0 Card - 5Gbps - Standard and Low-Profile Design - TAA

StarTech.com
£72.99