Pci Express Adapters

Upgrade your computer's connectivity with our wide selection of PCI Express adapters. Whether you're looking to enhance your network capabilities, add more USB ports, or boost your graphics performance, we have the perfect solution for you. With easy installation and compatibility with a variety of devices, these adapters are designed to take your computing experience to the next level. Explore our range of PCI Express adapters and unlock new possibilities for your system today.

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  1. GNS PCi Express PCi-E 3.0 Dual SATA to Ngff Nvme Msata M-Key B/m-Key Adapter 3In1

    About this product

    A versatile adapter enabling PCI-E 3.0 and dual SATA connections for NGFF NVMe and mSATA SSDs.

    A versatile adapter enabling PCI-E 3.0 and dual SATA connections for NGFF NVMe and mSATA SSDs.

    $35.00 Your price for this item is $35
  2. STARTECH PCi Express to PCi Adapter Card

    About this product

    A versatile adapter card that enables low profile PCI cards to function in PCI Express slots.

    A versatile adapter card that enables low profile PCI cards to function in PCI Express slots.

    5.0 (2 reviews)
    $68.99
    SAVE $13
    Your price for this item is $68.99
  3. STARTECH.COM X4 PCi Express to M.2 PCie SSD Adapter-M.2 Ngff SSD (Nvme Or Ahci) Adapter Card A great adapter

    About this product

    An adapter card that connects PCIe M.2 NVMe or AHCI SSDs to your computer via PCI Express 3.0.

    An adapter card that connects PCIe M.2 NVMe or AHCI SSDs to your computer via PCI Express 3.0.

    3.3 (7 reviews)
    $42.99 Your price for this item is $42.99
  4. ASUS M.2 to PCi Express Adapter Best M

    About this product

    An adapter that allows you to connect M.2 SSDs to a PCI Express slot for enhanced compatibility.

    An adapter that allows you to connect M.2 SSDs to a PCI Express slot for enhanced compatibility.

    5.0 (4 reviews)
    $244.68
    SAVE $25
    Your price for this item is $244.68
  5. STARTECH U.2 to PCie Adapter

    About this product

    A versatile adapter enabling 2.5" U.2 NVMe SSDs to connect via x4 PCI Express 3.0.

    A versatile adapter enabling 2.5" U.2 NVMe SSDs to connect via x4 PCI Express 3.0.

    3.7 (3 reviews)
    $66.99
    SAVE $12
    Your price for this item is $66.99
  6. STARTECH.COM PCie SATA Card (4P6G-PCie-SATA-Card)

    About this product

    A four-port PCIe SATA expansion card offering 6Gbps speeds for HDD, SSD, and optical drive support.

    A four-port PCIe SATA expansion card offering 6Gbps speeds for HDD, SSD, and optical drive support.

    5.0 (1 reviews)
    $79.68
    SAVE $7
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  7. STARTECH 4 Port PCi Express PCie Serial Card 2 X Rs232 2 X Rs422 Rs485

    About this product

    A versatile PCI Express card offering two RS232 and two RS422/RS485 ports for mixed protocol connectivity.

    A versatile PCI Express card offering two RS232 and two RS422/RS485 ports for mixed protocol connectivity.

    3.0 (1 reviews)
    $205.99
    SAVE $38
    Your price for this item is $205.99
  8. AXGEAR PCi-E PCi Express Controller Card Ide SATA Esata Internal External Raid Adapter

    About this product

    A versatile PCI Express controller card enabling high-speed SATA and eSATA data transfer with RAID support.

    A versatile PCI Express controller card enabling high-speed SATA and eSATA data transfer with RAID support.

    1.0 (1 reviews)
    $14.99
    SAVE $22
    Your price for this item is $14.99
  9. STARTECH 3 Port 2B 1A 1394 Mini PCi Express Firewire Card Adapter

    About this product

    A Mini PCI Express adapter offering three FireWire ports for enhanced connectivity in compact systems.

    A Mini PCI Express adapter offering three FireWire ports for enhanced connectivity in compact systems.

    $54.99
    SAVE $11
    Your price for this item is $54.99
  10. STARTECH Add A 10/100/1000Mbps Ethernet Port to Any PC Through A PCi Express Slot PCi Express Gigabit Network Card PCi E

    About this product

    A PCI Express network card that adds a 10/100/1000Mbps Ethernet port to your desktop PC.

    A PCI Express network card that adds a 10/100/1000Mbps Ethernet port to your desktop PC.

    $34.68
    SAVE $3
    Your price for this item is $34.68
  11. AXXON Lf919Kb Rev. C PCi Express (PCie) Epp 1.9 / Ecp Parallel Port Adapter

    About this product

    A PCIe parallel port adapter offering EPP 1.9/ECP compatibility, 30 kV ESD protection, and IEEE1284 compliance.

    A PCIe parallel port adapter offering EPP 1.9/ECP compatibility, 30 kV ESD protection, and IEEE1284 compliance.

    $199.95 Your price for this item is $199.95
  12. STARTECH Dual Port PCi Express Gigabit Ethernet PCie Network Card Adapter - Poe/pse (St2000Pexpse)

    About this product

    A dual-port PCIe network card delivering Gigabit Ethernet and PoE support for streamlined connectivity and power.

    A dual-port PCIe network card delivering Gigabit Ethernet and PoE support for streamlined connectivity and power.

    $231.99
    SAVE $43
    Your price for this item is $231.99
  13. STARTECH Dual Port PCi Express Gigabit Ethernet Network Card Adapter 2 Port PCie Nic 10/100/100 Server Adapter With

    About this product

    A dual-port PCIe network card adapter that adds two Gigabit PoE Ethernet ports to your computer.

    A dual-port PCIe network card adapter that adds two Gigabit PoE Ethernet ports to your computer.

    $408.68
    SAVE $41
    Your price for this item is $408.68
  14. AXGEAR Dual 4 Pin Molex Ide to 8 Pin PCi Express Power Cable PCi-E Adapter

    About this product

    A convenient adapter that connects two 4-pin Molex power connectors to an 8-pin PCIe video card.

    A convenient adapter that connects two 4-pin Molex power connectors to an 8-pin PCIe video card.

    $6.99
    SAVE $14
    Your price for this item is $6.99
  15. GNS 6-Pin PCi Express Power Adapter Cable to Dual Molex 4-Pin to PCie 6-Pin

    About this product

    A power adapter cable that converts dual Molex 4-pin connectors to a PCIe 6-pin connection.

    A power adapter cable that converts dual Molex 4-pin connectors to a PCIe 6-pin connection.

    $16.00 Your price for this item is $16
  16. AXXON Lf775Kb PCi Express (PCie) 2 Port Rs422 Smpte Serial Card Adapter

    About this product

    A dual-port PCIe serial card adapter offering RS422 interface, 128-byte FIFOs, and ESD protection.

    A dual-port PCIe serial card adapter offering RS422 interface, 128-byte FIFOs, and ESD protection.

    $149.95 Your price for this item is $149.95
  17. MAIWO Kt016 M.2 Nvme SSD to PCi-Express 3.0 Adapter, Converter Expansion Card With Low Profile Bracket

    About this product

    An adapter card that converts M.2 NVMe SSDs to PCI-Express 3.0 with a low profile bracket.

    An adapter card that converts M.2 NVMe SSDs to PCI-Express 3.0 with a low profile bracket.

    $35.00
    SAVE $20
    Your price for this item is $35
  18. STARTECH U.2 to M.2 PCi Express Adapter (M2E4Sff8643)

    About this product

    An adapter enabling connection of a U.2 PCIe NVMe SSD to an M.2 PCIe x4 interface.

    An adapter enabling connection of a U.2 PCIe NVMe SSD to an M.2 PCIe x4 interface.

    $59.68
    SAVE $6
    Your price for this item is $59.68
  19. STARTECH 6In Lp4 to 6 Pin PCi Express Video Card Power Cable Adapter

    About this product

    A convenient adapter that connects an LP4 power supply to a 6-pin PCI Express video card.

    A convenient adapter that connects an LP4 power supply to a 6-pin PCI Express video card.

    $15.99 Your price for this item is $15.99
  20. STARTECH.COM 1 Port PCi Express PCie Gigabit Nic Server Adapter Network Card - Low Profile (St1000Spex2L)

    About this product

    A low profile PCIe network card that adds a 10/100/1000Mbps Ethernet port to your PC.

    A low profile PCIe network card that adds a 10/100/1000Mbps Ethernet port to your PC.

    $34.68
    SAVE $3
    Your price for this item is $34.68
  21. AXGEAR M.2 Nvme SSD Ngff to PCi-E Adapter M-Key Interface Card M2 to PCi-Express

    About this product

    An adapter card that connects M-key NVMe M.2 SSDs to PCIe 3.0 x4 slots without drivers.

    An adapter card that connects M-key NVMe M.2 SSDs to PCIe 3.0 x4 slots without drivers.

    $7.99
    SAVE $15
    Your price for this item is $7.99
  22. WESTERN DIGITAL Wd Sn750 Wds100T3X0C 1Tb Solid State Drive - PCi Express (PCi Express 3.0 X4) - 600Tb (Tbw) - Internal - M.2 2280 In Black Nice and stable, best for gaming computers

    About this product

    A high-performance internal M.2 SSD in black with PCIe 3.0 x4 interface and 600TB endurance.

    A high-performance internal M.2 SSD in black with PCIe 3.0 x4 interface and 600TB endurance.

    What customers like

    • Fast performance
    • Easy to install
    • Affordable price
    • Great value for money
    • Reliable and durable
    4.9 (1,318 reviews)
    $551.68
    SAVE $56
    Your price for this item is $551.68
  23. MSI MAG B550 Tomahawk Max Wi-Fi 6E ATX AM4 DDR4 Motherboard for AMD Ryzen 3000/4000/5000 Series CPUs Best Midrange Budget MB

    About this product

    A high-performance ATX motherboard with Wi-Fi 6E, 2.5G LAN, and support for AMD Ryzen CPUs.

    A high-performance ATX motherboard with Wi-Fi 6E, 2.5G LAN, and support for AMD Ryzen CPUs.

    What customers like

    • Feature-rich with Wi-Fi 6E and 2.5G LAN
    • Excellent build quality and stability
    • Great compatibility with AMD Ryzen CPUs
    • Easy installation and user-friendly BIOS
    • Strong performance and value for price
    4.7 (735 reviews)
    $269.99 Your price for this item is $269.99
  24. AXGEAR PCi Riser Card Extender Flexible Extension Cable Ribbon

    About this product

    A flexible PCI riser card extender cable for easy device installation in compact computer or server cases.

    A flexible PCI riser card extender cable for easy device installation in compact computer or server cases.

    $9.99
    SAVE $17
    Your price for this item is $9.99

Pci Express Adapters

PCI Express adapters are a cornerstone for anyone looking to expand or upgrade their computer’s capabilities, whether at home, in the office, or in a creative studio. These versatile cards slide directly into the PCIe slots on a desktop motherboard, opening up a world of possibilities, from adding extra USB ports for peripherals to enhancing network connectivity or even boosting graphics performance. For those who build their own PCs, PCI Express adapters are often the secret to tailoring a system for specific needs—think of a photographer adding a high-speed card reader, or a gamer looking to squeeze out every last frame with a dedicated graphics adapter. In the summer months, when students prepare for the upcoming school year or families upgrade their home workstations, these adapters become especially popular. They’re a practical way to breathe new life into an existing computer, making them a thoughtful gift for tech-savvy friends, recent graduates, or anyone diving into a new hobby that demands more from their hardware.

Selecting the right PCI Express adapter depends on your unique requirements and the type of devices you want to connect. If you’re setting up a home office, a network adapter can ensure smooth video calls and fast downloads, while creative professionals might look for adapters that support additional monitors or specialized input devices. For those managing large media libraries, storage expansion cards are invaluable, providing extra SATA ports for hard drives or SSDs. Upgrading with a PCIe adapter is often more cost-effective than purchasing a new system, and the installation is straightforward for most desktop PCs—just a matter of powering down, opening the case, and carefully slotting the card into place. The satisfaction of hearing your computer recognize new hardware is a small but rewarding moment, especially when it means your setup is now faster, more reliable, or better suited to your daily workflow. For anyone interested in expanding their storage options, be sure to explore PCI To Sata Cards, which can help you add more drives with ease.

PCI Express adapters also make a practical and personal gift. They’re ideal for tech enthusiasts who enjoy tinkering with their setups, as well as for family members who might need a little extra connectivity or speed for work, study, or entertainment. Imagine gifting a network adapter to someone moving into a new apartment, or helping a hobbyist set up a multi-monitor workstation for summer gaming marathons. These cards are a small investment that can have a big impact on productivity and enjoyment, making them a smart addition to any shopping list. Whether you’re upgrading your own system or helping someone else unlock new possibilities, PCI Express adapters are a reliable way to keep up with evolving technology and make the most of your existing hardware.

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