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ItemParameterHost InterfacePCI‑E X1Output PortDual PCI‑E X4Transmission CableUSB3.0, approx 65cmMain Board Dimensions63 × 36 mmDaughter Board Dimensions29 × 15 mmPower SupplyOn‑board built‑in power module, SATA power optionalMinimum Required Clearance≥6 mm between GPU and PCI‑E slotImportant Notes
❌ Not compatible with power‑on boot cards.❌ Does not support AMD motherboards with WiFi‑6 network cards.
✅ Requires available chassis space for fixation; mounting solution shall be prepared by user if no space available.
⚠️ Do NOT plug any external peripherals into the USB3.0 port on the expansion board, this port is only for signal connection between riser parts.
1 × PCI‑E X1 to Dual X4 Expansion Main Board1 × PCI‑E X1 Gold‑finger Daughter Board1 × USB3.0 Extension Cable
This PCI‑E X1 to dual PCI‑E X4 expansion riser solves the problem of blocked motherboard PCI‑E slots. It converts one PCI‑E X1 slot into two PCI‑E X4 ports, allowing you to add more expansion devices when original slots are occupied by large graphics cards. Built‑in power supply module minimizes signal loss during transmission. Compact right‑angle gold‑finger daughter board saves internal chassis space and will not interfere with GPU cooling. Comes with high‑quality shielded USB 3.0 extension cable for stable data transfer.
- Convert 1× PCI‑E X1 slot to 2× PCI‑E X4 slots, resolve blocked PCI‑E slot issues
- On‑board power supply module reduces signal attenuation for reliable transmission
- Right‑angle compact gold‑finger sub‑board design, space‑saving, no conflict with graphics card cooling
- Heavy‑duty multi‑shielded USB3.0 cable, thickened copper core, anti‑interference, stable performance
- Simple installation; Requires ≥6 mm clearance between GPU and blocked PCI‑E slot for installation
- Two PCI‑E X4 ports for adding network cards, SSD adapters and other PCI‑E style="width:10.0%;">
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