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Green PCB riser card with a 4x male edge connector and a 16x female slot

Fervit

Fervit PCI-E 4x to 16x Extender Riser Card Adapter

SKU CH-FTFA-ZD6QB

Extends a PCIe x4 slot to accept x16 cards at x4 speed using a flexible riser

  • Converts a 4x slot to accept 16x cards
  • Layered PCB board design for signal integrity
  • Male-to-female connector layout for direct installation
  • Supports 4x, 8x and 16x cards at 4x speed
  • Extends card clearance for tight chassis builds

Extender for x16 slots from x4 links

This Fervit adapter converts a PCI Express x4 connection into a physical x16 slot. It lets builders install x8 or x16 expansion cards in systems that only expose a x4 link. The card operates at x4 electrical speed regardless of the card width installed. It is suited for compact chassis or mining rigs where full-length slots are unavailable.

Passive PCB with no active cooling

The riser uses a layered PCB design and requires no fan or external power connector. It adds negligible heat and draws only the slot power allowed by the x4 interface. Silent operation is inherent because there are no moving parts on the board.

Fits any x16 card within x4 bandwidth limits

The female x16 socket accepts standard full-height cards, freeing the builder from hunting for rare x4-only devices. It needs an open-ended x4 slot or a riser cable to reach the motherboard. Systems that require x8 or x16 electrical bandwidth for the installed card will not reach full performance with this adapter.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $15.99
Pricier than about 55% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameFervit

Questions about this item

How do I install the Fervit PCI-E 4x to 16x extender riser card adapter, and which step is commonly missed?

Insert the male x4 edge connector into a PCIe x4 or wider slot on the motherboard, then plug the graphics or expansion card into the female x16 socket on the riser. The step often missed is securing the riser board and the installed card to the chassis so the flexible PCB does not flex under the card's weight.

What maintenance or replacement will the Fervit PCI-E 4x to 16x extender riser card adapter need later?

The riser has no moving parts or consumables, so no scheduled maintenance is required. Replace the unit only if the gold fingers on the male connector show visible wear or if the female socket develops intermittent contact after repeated insertions.

What limit appears first on the Fervit PCI-E 4x to 16x extender riser card adapter under sustained use?

The electrical interface is capped at x4 lane bandwidth, so any x8 or x16 card installed will run at x4 speed continuously. That lane limitation is the first and permanent bottleneck, not thermal or signal degradation.

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