An explansion board you insert into your computer so the computer can be connected to a network
StarTech.com 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention - TAA

StarTech.com 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention - TAA

StarTech.com
£29.99
StarTech.com M.2 SSD to 2.5in SATA III Adapter - M.2 Solid State Drive Converter with Protective Housing

StarTech.com M.2 SSD to 2.5in SATA III Adapter - M.2 Solid State Drive Converter with Protective Housing

StarTech.com
£26.99
StarTech.com 4-Port PCI Express USB 3.0 Card - 5Gbps

StarTech.com 4-Port PCI Express USB 3.0 Card - 5Gbps

StarTech.com
£32.99
StarTech.com 3 Port 2b 1a Low Profile 1394 PCI Express FireWire Card Adapter

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

StarTech.com
£66.99
StarTech.com IDE to SATA Hard Drive or Optical Drive Adapter - 40-Pin PATA to 2.5

StarTech.com IDE to SATA Hard Drive or Optical Drive Adapter - 40-Pin PATA to 2.5" SATA HDD/SSD/ODD Converter - TAA

StarTech.com
£17.99
StarTech.com 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention - TAA

StarTech.com 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention - TAA

StarTech.com
£94.99
StarTech.com 4 Port PCI Express Low Profile High Speed USB Card

StarTech.com 4 Port PCI Express Low Profile High Speed USB Card

StarTech.com
£39.99
StarTech.com 2 Port PCI Express PCIe SuperSpeed (5Gbps) USB 3.0 Card Adapter with UASP - LP4 Power

StarTech.com 2 Port PCI Express PCIe SuperSpeed (5Gbps) USB 3.0 Card Adapter with UASP - LP4 Power

StarTech.com
£30.99
StarTech.com 3-Port M.2 SSD (NGFF) Adapter Card - 1 x PCIe (NVMe) M.2, 2 x SATA III M.2 - PCIe 3.0 - TAA

StarTech.com 3-Port M.2 SSD (NGFF) Adapter Card - 1 x PCIe (NVMe) M.2, 2 x SATA III M.2 - PCIe 3.0 - TAA

StarTech.com
£38.99
StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

StarTech.com
£93.99
StarTech.com PCI Express to 4 Slot PCI Expansion System - TAA

StarTech.com PCI Express to 4 Slot PCI Expansion System - TAA

StarTech.com
£379.99
StarTech.com 3 Port 2b 1a 1394 PCI Express FireWire Card Adapter

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

StarTech.com
£66.99