The PCI-E expansion riser card adapter is designed to convert 1 PCI-E 1X slot into 4 PCI-E 16X slots. The 4 PCI-E 16X slots. Compatible slot: PCI-E 1X, PCI-E 2X, PCI-E 4X, PCI-E 8X, PCI-E 16X. It is the perfect and practical solution to instantly expand PCI-E slots in crowded systems or on the motherboards.
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