
A straightforward fix for laptops or desktops that have a failed, noisy, or missing audio port — plug it into any USB slot and you get a working headphone and microphone jack without opening the case. Buy Now at Newegg
- Plug-and-play USB sound card
- External Crystal audio chip
- 3.5mm headphone output jack
- 3.5mm microphone input jack
- Directly drives headphones and active speakers

Suits content creators or hobbyists who need to capture video from two sources simultaneously over a standard PCI connection, particularly if you're working with an older desktop build that lacks PCIe slots. Buy Now at Newegg
- 720x576 video resolution
- Dual port AV capture
- Trident SAA7134HL chipset
- DirectX and VFW compatibility
- Model: SDK2500

A niche piece of hardware aimed at engineers or researchers who need to capture analog video signals directly into a PC for machine vision, inspection systems, or lab imaging workflows. The PCI slot requirement means you'll need a desktop with a legacy PCI slot, so it's more of a fit for older workstations or industrial setups than modern builds. Buy Now at Newegg
- Analog NTSC, PAL, and SECAM video acquisition
- High-speed PCI bus interface
- Direct memory access for efficient data transfer
- Real-time image processing capabilities
- Model: PCI-1411

A niche piece of hardware aimed at broadcast engineers and AV system integrators who need to modulate digital video signals onto a coax distribution network from a PC. If you're building or maintaining a headend system and need a reliable capture or playout card with built-in modulation support, this is the type of component worth looking at. Buy Now at Newegg
- DTA-111 digital video modulation card

A straightforward fix for desktop or laptop audio that's underperforming, this adds 5.1 surround sound output without cracking open your PC to install an internal card. Buy Now at Newegg
- Microphone and line-in audio recording inputs
- Front and rear speaker channel outputs
- Center/bass output for 5.1 surround sound
- Optical digital audio input
- Optical digital audio output

A straightforward option for anyone building a machine vision setup or needing reliable analog video capture with watchdog timer support built in, which is a feature typically aimed at industrial or embedded system applications. Buy Now at Newegg
- Dual-channel video capture
- PCI Express interface
- Analog video input support
- Supports NTSC and PAL standards
- Model: IVC-200G-WDT

A low-cost option for anyone who wants to add audio output to a desktop or laptop without opening the case, particularly useful if your onboard audio port is damaged or you need a quick second audio device for headphones. Buy Now at Newegg
- Virtual 7.1 channel surround sound
- USB 2.0 interface connectivity
- Integrated microphone and speaker jacks
- Compact external plug-and-play design
- Compatible with standard 3.5mm headsets

A simple plug-and-play option for anyone whose motherboard audio has failed or whose PC lacks a dedicated audio port, since it adds stereo sound output and mic input without opening your case. Buy Now at Newegg
- Plug and play USB interface
- External Crystal audio chip
- 3.5mm headphone output jack
- 3.5mm microphone input jack
- Directly drives headphones or active speakers

A straightforward option for anyone who wants to watch or record over-the-air broadcast TV directly on a desktop PC without an external box, as long as your motherboard has an open PCI slot. Buy Now at Newegg
- PCI internal interface
- MPEG video capture
- DVR recording functionality
- PAL BG signal compatibility

A niche piece of hardware aimed at machine vision integrators or industrial imaging setups that need a dedicated frame grabber rather than relying on a general-purpose capture card. Buy Now at Newegg
- OR-X1C0-XLBGR0 DALSA video image capture card