
Too many controller cards? Here’s how to find the right one
Here are five key factors to consider when choosing the right controller card for your needs.
Last updated 1 month ago. Automatically generated content.


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USB ports are essential for connecting various devices to your controller card, impacting the versatility and functionality of your setup. Choosing the right port type can enhance data transfer speeds and compatibility with a wide range of peripherals, improving your overall user experience.
Popular options (you can select more than one)
USB-C
Typical price
43,– to 94,–A reversible connector that supports high-speed data transfer and power delivery.
Ideal for modern devices, USB-C offers faster charging and data rates, making it perfect for high-performance setups.
Bestseller
Thunderbolt 3
Typical price
240,– to 320,–Combines data transfer, video output, and power delivery in a single port, supporting speeds up to 40 Gbps.
Best for high-end applications, Thunderbolt 3 is perfect for video editing or gaming, providing rapid data access for demanding tasks.
Bestseller
USB-A
Typical price
31,– to 72,–The traditional USB connector widely used for various devices, offering reliable connectivity.
Compatible with most peripherals, USB-A is a practical choice for general use, making it easy to connect devices without compatibility issues.
Bestseller

CSL USB 3.2 Gen1 PCI Express Card PCIe Controller - 2X External 1 x Internal Header - Interface Card
The expansion card form factor refers to the physical size and shape of the controller card, which affects compatibility with your computer case and motherboard. Choosing the right form factor is crucial to ensure that the card fits properly and performs optimally within your system.
Popular options (you can select more than one)
Full Profile
Typical price
45,– to 170,–Designed to fit standard PC cases, full profile cards generally have a larger size and can accommodate more features.
Ideal for gamers and professionals needing high performance, as they allow for better cooling and additional ports.
Bestseller
Low profile
Typical price
35,– to 89,–Low profile cards are smaller and designed to fit into compact or space-constrained cases, making them suitable for mini-PC builds.
Great for users who prioritize a compact setup without sacrificing performance, such as in home theaters or small office environments.
Bestseller
1 Slot
Typical price
33,– to 89,–1 slot cards occupy only a single expansion slot, allowing for a more streamlined build with limited interference with other components.
Perfect for systems with multiple GPUs or other expansion cards, these cards provide flexibility without compromising performance.
Bestseller
The expansion slot is a crucial component in a controller card that determines its compatibility and performance capabilities. Choosing the right expansion slot affects the card's data transfer rates and overall efficiency, which can significantly enhance your system's performance.
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PCI Express x16 (Gen 4) (1x)
Typical price
29,– to 76,–Supports high-speed data transfer rates of up to 64 GB/s, making it ideal for demanding applications such as gaming and professional graphics.
Provides maximum bandwidth for high-performance GPUs, ensuring smooth graphics rendering and improved gaming experiences.
Bestseller
PCI Express x4 (1x)
Typical price
48,– to 100,–Offers a balanced data transfer speed of up to 32 GB/s, suitable for mid-range applications like SSDs and network cards.
Great for users looking to upgrade their systems without needing the highest performance, providing a good value for general use.
Bestseller
PCI Express x1 (1x)
Typical price
35,– to 76,–Has a lower data transfer rate of up to 8 GB/s, best suited for basic peripherals such as sound cards and USB expansion cards.
Ideal for users who need additional ports or functionality without the need for high-speed data transfer, offering cost-effective solutions.
Bestseller
Data ports on controller cards are essential connection points for various devices and peripherals. Selecting the right data ports can significantly enhance compatibility and performance, ensuring seamless communication between your system and external components.
Popular options (you can select more than one)
RS-232 (2x)
Typical price
31,– to 61,–Includes two RS-232 serial ports for connecting legacy devices such as printers and industrial equipment.
Ideal for users needing reliable connections to older hardware, ensuring compatibility in diverse environments.
Bestseller
eSATA (1x)
Typical price
17,– to 57,–Features one eSATA port for high-speed external storage connections, suitable for external hard drives.
Offers faster data transfer rates compared to USB, making it perfect for users who frequently work with large files.
Bestseller
FireWire 400 (1x)
Typical price
51,– to 85,–Equipped with one FireWire 400 port, commonly used for connecting audio/video devices and high-speed peripherals.
Provides a reliable option for creatives and professionals working with multimedia equipment, ensuring stable data transfer.
Bestseller
The brand factor is crucial when selecting controller cards, as it influences reliability, compatibility, and support. Choosing established brands such as Delock, StarTech, or Digitus can enhance customer experience through quality assurance and customer service.
Popular brands (you can select more than one)
Delock
Recognized for a wide range of innovative and reliable connectivity solutions.
Offers excellent compatibility with various systems, making installation straightforward.
Bestseller
Digitus
Known for its cost-effective products without compromising on quality.
Ideal for budget-conscious users seeking essential features and dependable performance.
Bestseller
Exsys
Offers a variety of specialized controller cards tailored for niche applications.
Great for users needing specific solutions, such as industrial or server environments.
Bestseller
StarTech
Specializes in high-quality peripherals and connectivity solutions.
Provides extensive technical support, ensuring users can troubleshoot issues effectively.
Bestseller
Conceptronic
Focuses on consumer-grade products that combine functionality with user-friendly designs.
Perfect for home users looking for straightforward installation and operation.
Bestseller