This PCI Express PCI-E 4X adapter riser card is designed to convert and extend your PCI-E 3.0 X4 interface, enabling flexible hardware placement in space-constrained server chassis and desktop computer cases. It provides a stable, high-speed connection suitable for professional and home systems. Featuring a 90-degree right angle connector, this riser card allows your PCI-E card to be mounted parallel to the motherboard. This is ideal for low-profile or 1U/2U server chassis and compact computer cases where vertical space is limited. The adapter supports 180-90 degree installation, giving you greater flexibility in arranging internal components. This helps optimize airflow, cable management, and overall system layout in tight enclosures. for PCI Express 3.0 X4 slots and backward compatible with lower versions, this riser card can be used with various expansion cards such as network cards, RAID cards, capture cards, controllers, and other PCI-E devices that fit the X4 interface. Engineered with quality PCB materials and precise signal routing, the riser card ensures reliable data transmission with minimal latency and interference, supporting the full bandwidth of PCI-E 3.0 X4 for stable long-term operation. Color: As Shown Material: PCB Package Contents: 1*PCIe extension cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.