PC Data Cables (External)

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PC data cable (external)

In this category you will find external PC data cables for FireWire, SAS/SCSI/eSATA, serial/parallel and PS/2 connections as well as Thunderbolt. Brands such as Belkin, StarTech, Delock, Lindy, Hama, CalDigit, Apple and LogiLink offer a comprehensive selection of specialty cables – for system integrators, IT professionals, retro enthusiasts and creative workstations.

Buy PC data cables online – for external devices & special applications

Whether you are looking for a FireWire cable for an older audio interface, a SAS cable for your server backup, a serial cable for industrial equipment, or a Thunderbolt cable for a high‑speed workstation – you will find suitable products here with fast delivery to Switzerland and Liechtenstein.

Data cables by connection type

For FireWire devices, cables with 6‑pin, 4‑pin and 9‑pin connectors are available. SAS and eSATA cables are designed for high data throughputs in server environments. Serial and parallel cables cover RS‑232, DB9, DB25 and PS/2 connections, which are still in demand in industry and for retro computers. Thunderbolt cables offer the latest transmission standards for Mac and Windows workstations.

FireWire, Thunderbolt & special cables compared

While FireWire is increasingly being replaced by Thunderbolt and USB, it remains a sought‑after cable in niches. Thunderbolt shines with daisy‑chaining and bandwidths up to 40 Gbit/s. SAS/SCSI and eSATA cables are often the first choice for professional storage solutions. The right choice depends on the existing devices, the desired speed and future plans.

Categories at a glance
SubcategoryExample products
FireWire Cables Belkin FireWire 800 Cable 9‑pin/9‑pin, StarTech.com FireWire 400 Cable 6‑pin/4‑pin
SAS/SCSI/eSATA Cables StarTech.com SAS Cable SFF‑8087 to 4x SATA, Delock eSATA to SATA Cable 1 m
Serial/Parallel/PS/2 Cables Lindy Serial Cable DB9 M/F 2 m, Delock PS/2 Y‑Adapter Cable
Thunderbolt Cables Apple Thunderbolt 4 (USB‑C) Cable 1 m, Belkin Thunderbolt 3 Cable 40 Gbit/s 2 m
Brands compared
BrandKnown forIdeal forPrice segment
Belkin High-quality USB and Thunderbolt cables Everyday use, professional workstations Mid-range – Premium
StarTech Specialized IT cables and adapters (FireWire, SAS, Serial) IT professionals, server and network environments Mid-range
Delock Broad interface portfolio (SATA, eSATA, Serial, Parallel) System integrators, retro PC enthusiasts Entry-level – Mid-range
Lindy Professional AV and data cables (Serial, Parallel, FireWire) Industry, audiovisual applications Mid-range
Hama Accessories for computers and consumer electronics Private users, office Entry-level
CalDigit High-performance Thunderbolt docks and cables Creative professionals (video, graphics), Mac users Premium
Apple Original Thunderbolt and USB‑C cables Apple device users with the highest quality demands Premium
LogiLink Cost-effective PC cables and adapters Home use, small offices Entry-level
Who is this category suitable for?

This category is aimed at IT professionals, system integrators, developers and technology enthusiasts who need specialized external data cables for servers, industrial plants, retro hardware or creative workstations. Hobbyists who keep older devices running will also find suitable connection solutions.

Quality, safety & product selection

High‑quality shielding, strain relief and precisely fitting connectors prevent signal interference and premature wear. When buying, pay attention to the correct connector type, the supported transmission rate and solid workmanship – this keeps the connection reliable even in continuous operation.

Frequently asked questions
Which data cable fits my external hard drive?
The right cable depends on the hard drive's connection. Often USB cables are used, but eSATA, FireWire or Thunderbolt can also be used. This category offers specialized external cables for all common interfaces.
Which FireWire version (400, 800) is still used today?
FireWire 400 and 800 are mainly used in older Mac computers, audio interfaces, and some external storage solutions. If you rely on an existing fleet of devices, you will find suitable cables with the required connectors here.
Which cable do I choose for SAS or eSATA drives?
For SAS drives, special SAS cables (SFF‑8087, SFF‑8643) are required, while eSATA drives need an eSATA cable with external shielding. Both variants are intended for servers, NAS systems, and high‑speed backups.
When do I need a serial cable (RS‑232) and is it still worthwhile?
Serial cables (RS‑232, DB9/D‑Sub) continue to be used in industry, with older measuring devices, POS systems, and for configuration access to network equipment. They are indispensable for retro computing and specific industry applications.
What is the advantage of a Thunderbolt cable over USB?
Thunderbolt cables offer significantly higher data rates and can daisy‑chain multiple devices. They are ideal for video production, graphics workstations, and anyone who needs to transfer large amounts of data with minimal latency.
Is this category also suitable for gift ideas for tech fans?
Yes, special adapter cables or high‑quality Thunderbolt cables are a thoughtful gift for people who work with retro computers, server hardware, or creative workstations. With fast delivery to Switzerland and Liechtenstein.
How do I prevent cable breakage and loose contacts with external cables?
Do not kink the cable directly at the connector, always pull on the connector housing, not on the cable itself, and store unused cables loosely coiled and protected from moisture. High‑quality connectors and strain reliefs further increase the service life.
Which accessories are useful for external data cables?
Practical accessories include adapter plugs (e.g., FireWire to Thunderbolt, serial to USB), extension cables, anti‑kink sleeves, and cable ducts for tidy routing. This allows older and modern devices to be flexibly connected.