PCIe Interface Cards & Expansion Adapters
PCI Express USB 3.0 Controller Card StarTech PEXUSB3S4V 4-Port UASP 5 Gbit/s
Regular price
$50.90 USD
Sale price
$50.90 USD
Regular price
$55.99 USD
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Axiom PCIE4-2Q56CX6-AX interface cards/adapter
Regular price
$1,085.45 USD
Sale price
$1,085.45 USD
Regular price
$1,194.00 USD
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SYBA SI-MPE15048 interface cards/adapter
Regular price
$27.31 USD
Sale price
$27.31 USD
Regular price
$35.78 USD
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HP VGA Port Flex IO v2 interface cards/adapter
Regular price
$15.64 USD
Sale price
$15.64 USD
Regular price
$20.02 USD
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Sonnet Allegro interface cards/adapter
Regular price
$152.03 USD
Sale price
$152.03 USD
Regular price
$190.04 USD
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Axiom P08443-B21-AX interface cards/adapter
Regular price
$810.83 USD
Sale price
$810.83 USD
Regular price
$916.24 USD
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Axiom PCIE4-1QSFP28-AX interface cards/adapter
Regular price
$1,091.60 USD
Sale price
$1,091.60 USD
Regular price
$1,331.75 USD
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Axiom 200GBS DUAL PORT QSFP56 PCIE interface cards/adapter
Regular price
$1,440.11 USD
Sale price
$1,440.11 USD
Regular price
$1,929.75 USD
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Axiom 540-BCXX-AX interface cards/adapter
Regular price
$810.83 USD
Sale price
$810.83 USD
Regular price
$1,037.86 USD
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AddOn Networks USBC2RJ45F-5PK interface cards/adapter
Regular price
$174.49 USD
Sale price
$174.49 USD
Regular price
$223.35 USD
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Sabrent AU-MMSA interface cards/adapter
Regular price
$12.60 USD
Sale price
$12.60 USD
Regular price
$15.37 USD
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Lenovo M.2.SSD Adapter-high profile interface cards/adapter
Regular price
$30.41 USD
Sale price
$30.41 USD
Regular price
$38.92 USD
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Icy Dock ExpressSlot Elite interface cards/adapter
Regular price
$290.59 USD
Sale price
$290.59 USD
Regular price
$354.52 USD
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Tripp Lite SRCOOLNET2LX interface cards/adapter
Regular price
$491.07 USD
Sale price
$491.07 USD
Regular price
$643.30 USD
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HP NVIDIA NVLink 3-Slot Bridge interface cards/adapter
Regular price
$316.48 USD
Sale price
$316.48 USD
Regular price
$386.11 USD
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Icy Dock MB308A interface cards/adapter
Regular price
$269.34 USD
Sale price
$269.34 USD
Regular price
$328.59 USD
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Atto FFRM-N412-000 interface cards/adapter
Regular price
$2,007.27 USD
Sale price
$2,007.27 USD
Regular price
$2,629.52 USD
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Broadcom HBA 9500-16e interface cards/adapter
Regular price
$972.69 USD
Sale price
$972.69 USD
Regular price
$1,245.04 USD
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Tripp Lite USA-49WG interface cards/adapter
Regular price
$62.39 USD
Sale price
$62.39 USD
Regular price
$81.73 USD
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HP HDMI 2.1 v3 Flex IO interface cards/adapter
Regular price
$40.48 USD
Sale price
$40.48 USD
Regular price
$50.60 USD
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Frequently Asked Questions
What are interface cards and adapters used for?
Interface cards and adapters are essential components that allow communication between your computer's motherboard and various peripherals, such as printers, additional storage, or networking devices. They enhance functionality by enabling connections that aren't available on the motherboard itself.
How do I determine compatibility with my existing hardware?
To ensure compatibility, check the specifications of your motherboard for compatible slot types (like PCIe or PCI) and supported formats for devices. Refer to the manufacturer's documentation or our product description to verify that the interface card or adapter works with your specific hardware setup.
Can these interface cards and adapters improve my network performance?
Yes, using high-quality network interface cards can enhance data transfer rates and stability, especially in enterprise environments. Look for cards that support the latest standards like 802.11ac for Wi-Fi cards or Gigabit Ethernet for wired connections to maximize performance.
What is the difference between a PCIe and a PCI adapter?
PCIe adapters use the newer PCI Express interface, providing faster data transfer rates and greater bandwidth, ideal for modern devices. PCI adapters are older and slower, so opt for PCIe if your motherboard supports it and you require high-speed connections.
How do I know if I need an interface card or an external adapter?
If your desktop has available slots, an interface card is often preferable for stable, high-performance connections. However, if you need portability, flexibility, or are using a laptop with no available slots, external adapters via USB might be the better choice.
What factors should I consider before buying an interface card or adapter?
Consider your current hardware specifications, the intended use (gaming, professional graphics, or general use), compatibility with your OS, and required connectivity options. Evaluate future needs as well to ensure you choose a card that will remain relevant as technology evolves.

