Conceptronic C4USB3EXI 4-Port USB 3.0 PCIe Card 3 External 1 Internal 5Gbps
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Conceptronic
C4USB3EXI
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Conceptronic C4USB3EXI — 4-Port USB 3.0 PCIe Card
3 external USB ports1 internal USB portUp to 5 Gbit/sPCIe x1
The Conceptronic C4USB3EXI is an internal PCI Express expansion card that adds four USB 3.0 Type-A ports to a compatible desktop computer. The exact port arrangement is three external ports and one internal port, giving you extra rear-panel connectivity while retaining one internal USB connection for compatible devices inside the chassis. The USB 3.0 interface supports transfer rates of up to 5 Gbit/s.
Compatibility — check before buying:
This product is an internal PCIe x1 expansion card for desktop computers. It does not provide four rear-panel USB ports: the verified layout is 3 external + 1 internal USB-A port. Confirm that your motherboard has a free compatible PCI Express slot. Conceptronic lists Windows XP, Vista, 7, 8 and 10 support for this model.
Best For
✓ Adding USB 3.0 connectivity to a desktop PC
✓ External USB storage and peripherals
✓ Systems needing an internal USB 3.0 Type-A port
✓ Compatible standard and low-profile desktop cases
Key Features
Four USB 3.0 ports
The card provides four USB 3.0 Type-A connections in total, allowing a desktop system to gain additional SuperSpeed USB connectivity from a single PCIe expansion card.
3 external + 1 internal layout
Three USB-A ports are accessible from the expansion bracket at the rear of the PC, while the fourth USB-A port is located internally on the card.
Up to 5 Gbit/s
Conceptronic specifies a maximum USB 3.0 interface data rate of up to 5 Gbit/s. Actual file-transfer performance depends on the connected device and host system.
Hot-swapping support
Compatible USB devices can be connected and disconnected without shutting down the computer, subject to normal operating-system and device requirements.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
The most important detail on the C4USB3EXI is its port arrangement. Although the product is described as a four-port USB 3.0 card, only three ports are exposed at the rear of the computer; the fourth is an internal Type-A port. That makes it useful when you need standard external USB connectivity plus an internal USB connection for compatible hardware inside the chassis. Before ordering, confirm that a free PCIe x1-compatible slot is available and check operating-system support if the computer runs anything newer than Windows 10.
Buyer’s Guide
Buy it if
You need three extra rear USB 3.0 ports plus one internal USB-A connection and have a free PCI Express slot.
Skip it if
You need four external USB ports, USB-C connectivity, speeds above 5 Gbit/s or a card with explicitly listed Windows 11 support.
Check first
Confirm your motherboard has an available PCIe slot and that the 3-external + 1-internal port layout matches how you plan to use the card.
Features - Conceptronic - C4USB3EXI
More Details
Product Code
04:208309
EAN Code
8714909023917
Manufacturer
Conceptronic