PCI-Express wearout extender, used to prolong the life of PCI-E connectors on the motherboard in a heavily used test environment and/or an 0.8" extension of PCI-E slot.
If the PCI-E x 16 slot is at A position (7th slot) on the M/B, this extender should be needed
This extender has to be used with PCI-E x 16 riser card. It is good for PCI-E slot at position A (7th slot) on the motherboard such as Intel D915/D925 Series, Tyan S5120/S5130 etc.
Please see the
picture below for reference: