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PCIe 4.0 x16 to x8x8 Bifurcation Split Expansion Card, Gen4 1-to-2 PCI-E Splitter with 20mm Slot Spacing & SATA CPU 4Pin Aux Power Port for GPU Capture Network Cards
- PCIe 4.0 Full Bifurcation Split: Single x16 lane split into dual independent x8 channels, backward compatible with PCIe 3.0
- 20mm Standard Slot Gap: Sufficient clearance between two PCIe slots to avoid GPU heatsink & bracket collision
- SATA CPU 4Pin Aux Power Interface: Supplementary power eliminates voltage drop under dual high-load PCIe devices
- Stable Signal Control Chip: Independent clock split IC ensures smooth simultaneous operation of two expansion cards
- Broad Device Compatibility: Works with graphics cards, video capture cards, 10G/25G network adapters and PCIe x8 peripherals
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This PCIe 4.0 x16 to x8x8 bifurcation split card turns one motherboard PCIe x16 slot into two separate x8 expansion ports, ideal for servers, editing workstations and multi-GPU rigs lacking native PCIe slots.
Compliant with PCI Express Gen4 standard, it retains complete transmission bandwidth and supports PCIe 3.0 downward adaptation. Important reminder: Your motherboard BIOS must enable PCIe bifurcation and x8x8 split mode to fully activate dual-channel performance.
The two PCIe slots adopt 20mm spacing design, reserving enough space for large GPU cooling radiators without physical blockage between expansion cards. Equipped with a SATA-powered CPU 4Pin auxiliary power port, it supplies extra stable power to prevent crash or frame drop when running two high-power PCIe devices at full load.
Gold-plated contacts reduce oxidation and signal loss for long-time continuous operation, with built-in power indicator LED for quick status check. Widely applicable to dual-GPU rendering stations, multi-channel video recording hosts, multi-port network servers and industrial control expansion equipment. Just complete BIOS bifurcation setting before use, a high-efficiency PCIe lane expansion accessory.
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- Return for refund within: 30 days
- Return for replacement within: non-replaceable
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