PCIE X4 Gen4 High-Speed Extension Cable to X4 X16 M.2 Bandwidth 8GB/S Silver-Plated for GPU SSD Adapter (25cm,X4 to X4)

Supports PCIE 4.0 devices and is downward compatible with PCIE 3.0, 8GB/S bidirectional bandwidth.; PCB dwarf design, 4 layers of circuit board, impedance control 85. With GEN4 connector, gold plated 15U.; PCI-E 4.0
X4 Version: Supports PCIE X4 nics, solid state drives, collection cards, and column cards, but does not support PCIE X8 or X16. Thickness 2mm, Width 18mm.; PCIE 4.0 X4 to
PCIE X16 Version: Support PCIE X4, X8 or X16, graphics card, network adapter, SSD, acquisition card, etc. Thickness 2mm, Width 12mm.; M. 2 to
PCI-E X4 Version: Support PCI-E X4 network card, solid state disk, acquisition card, etc., do not support PCI-E X8 or X16. Thickness 2mm, Width 12mm. (with a SATA power supply cable).