The 2 Best Thunderbolt 3 Expansion Cards (2023 reviews)

thunderbolt 3 expansion cards
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Are you planning to buy thunderbolt 3 expansion cards, and are you confused about the options ? Your search ends here.

Our review process:

Our Top Picks:

Startech Thunderbolt 3 Expansion Card
Buy: READ REVIEW

Sonnet technologies Thunderbolt 3 Expansion Card
Buy: READ REVIEW

Startech Thunderbolt 3 Expansion Card

Startech Thunderbolt 3 Expansion Card
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For a low asking price, startech thunderbolt 3 expansion card has managed to overwhelm their customers by packing as many features as they could. It is great way to add speedy devices to an older system. It is good for very specific devices that say usb c 3.2 gen 2x2 which is a very specific type of usb c port that uses 4 pcie lanes instead of the usual 2 that regular usb c ports use. This card is installed in a pcie 2.0 slot. It will transfer at the speed of the slowest component. It supports close to 2, 000MB/s transfer speed for both Read and Write. This card meets the USB gen 2x2 standard by running at a transmission speed close enough to the theoretical maximum. It is compatible with windows, linux and macos.

Why We Like This:
  • Consuming less power is always safe and sound
  • Performance devices like nvme drives and ssds
  • Good upgrade for someone looking for speed

Sonnet technologies Thunderbolt 3 Expansion Card

Sonnet technologies Thunderbolt 3 Expansion Card
Buy on Amazon

If you often find yourself confused about convenient and suitable card, sonnet technologies thunderbolt 3 expansion card is your solution. Installing an allegro usb-c 4-port pcie card in a multi-slot thunderbolt to pcie card expansion chassis is a great way to inexpensively add four superspeed+ usb-c ports to your computer. This docking station requires a usb. The extra c ports free up the thunderbolt 3 (Apple's TB 3 in the desktop essentially provides TB 4 speeds) you already have in your desktop so you can get the best system speeds.

This card looks totally pro with the ports having high power outputs. It supports all versions of usb 3 & usb 2 devices. It is equipped with SSDs, the fastest 3.1 gen 2 usb drives you can buy today are capable of 900 mb/s data transfers—many are bus-powered, too. This enables you to install the sonnet card in any compatible computer or thunderbolt expansion chassis regardless of it having extra power connectors available.

Why We Like This:
  • Dual usb 32 gen 2 controllers
  • Broad usb device support & compatibility—supports storage, hubs, and other usb-if compliant usb devices
  • Necessary addition for any desktop or tower pc
  • Speed data transfers between connected drives