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Green circuit board with four blue USB-A ports and a gold PCIe edge connector

MAIWO

MAIWO KC005A 4-Port PCIe to USB 3.0 Type-A Expansion Card

SKU CH-QHT7-Z06JN

Adds four USB 3.0 Type-A ports via a PCIe x1 slot, each delivering up to 2 A power with over-current protection and 5 Gbps shared bandwidth

  • TypeMini PCI Express to USB Card
  • External USB Ports4-port USB 3.0
  • Internal USB Ports4x USB Ports
  • Dimensions4.7*4.48*0.86 inch
  • Weight0.2 lbs
  • Package ContentsPCIe to USB Expansion Card
  • Add four USB 3.0 ports via PCIe x1 slot
  • Up to 5 Gbps shared bandwidth across all four ports
  • Each port delivers 2 A power with per-port protection
  • Fits PCIe x1, x4, x8 or x16 slots on desktop motherboards
  • Plug-and-play on Windows 7/8/10 and Linux, driver needed for XP

Four USB 3.0 ports for PCIe desktops

This MAIWO KC005A card adds four USB 3.0 Type-A ports to any desktop with a free PCI Express slot. It targets builders who need more external connections for drives, peripherals or accessories without using a separate hub. The board draws all power from the slot itself, so no extra cable is required. Each port can deliver up to 2 A for high-draw devices.

PCIe 2.0 x1 lane limits total bandwidth

The card uses a single PCIe 2.0 lane, so the 5 Gbps USB 3.0 bandwidth is shared across all four ports. When multiple devices transfer simultaneously, actual throughput per port drops proportionally. The interface is backward compatible with newer PCIe generations and fits x1, x4, x8 or x16 slots. Windows 7 and later plus Linux work driver-free; Windows XP needs a driver. macOS 10.8.2 and above are also supported.

Replaces external hubs that share one upstream port

Unlike a USB hub that funnels everything through one 5 Gbps link, this card connects directly to the PCIe bus for a more stable link and less contention. The jump is worthwhile when you regularly run several high-speed drives or charge multiple power-hungry gadgets at once. It will not help if your system lacks a spare PCIe slot or if you need more than four ports.

Puntos fuertes

  • Add four USB 3.0 ports via PCIe x1 slot
  • Up to 5 Gbps shared bandwidth across all four ports
  • Each port delivers 2 A power with per-port protection
  • Fits PCIe x1, x4, x8 or x16 slots on desktop motherboards
  • Plug-and-play on Windows 7/8/10 and Linux, driver needed for XP

Especificaciones

BrandMAIWO
TypeMini PCI Express to USB Card
External USB Ports4-port USB 3.0
Internal USB Ports4x USB Ports
Dimensions4.7*4.48*0.86 inch
Weight0.2 lbs
Package ContentsPCIe to USB Expansion Card

Preguntas sobre este artículo

How do I pick the right version of the MAIWO KC005A for my desktop?

The MAIWO KC005A is a single model that adds four USB 3.0 Type-A ports through a PCIe 2.0 x1 slot; no alternative capacities or versions are offered.

What does the 5Gbps headline speed mean when I plug devices into all four ports?

The 5Gbps total bandwidth is shared across the four USB 3.0 ports, so simultaneous transfers divide that maximum throughput among active devices.

Which PCIe standard and slot type does this card use, and what does that limit?

It uses a PCIe 2.0 x1 interface, compatible with x1, x4, x8 and x16 slots, capping the card’s total upstream bandwidth to the PCIe 2.0 x1 limit.

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