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Green PCB adapter card with two SFF-8643 ports, one PCIe x16 slot and a 15 pin power connector

Shenzhen Lianrui Information Technology

Shenzhen Lianrui Information Technology LRFC6921N 2 Port SFF-8643 to PCIe x16 Adapter Card

SKU CH-RYJQ-A61R1 MPN LRFC6921N

Adds a PCIe x16 slot with x4 bandwidth via two SFF-8643 connectors and a 15-pin power socket

  • TypeController Card
  • Expands one PCIe x16 slot via two SFF-8643 links
  • Runs at PCIe x4 bandwidth through the x16 connector
  • Standard 15-pin SATA power ensures stable delivery
  • Supports network, graphics and video cards in the slot
  • Built for servers and terminal extension devices

Two-Port SFF-8643 Adapter

This card connects a PCIe x16 slot to two Mini-SAS HD SFF-8643 receptacles. It is built for technicians who need to extend a single PCIe x4 link to external devices. The board accepts network, graphics or video cards in the exposed slot. A 15-pin SATA power connector supplies the expansion.

Upgrade From Internal Cabling

It replaces fixed backplane wiring when a chassis lacks native SFF-8643 ports. The jump makes sense when you must route a PCIe x4 connection through a bulkhead or to a remote enclosure. Builders who need more than two Mini-SAS links or a full x16 electrical interface should look elsewhere.

Sustained Load Behaviour

The adapter passes a four-lane PCIe signal through the SFF-8643 pair without active components. Signal integrity depends on cable quality and length rather than the board itself. The 15-pin power socket delivers auxiliary current for stable operation during continuous data transfers. No onboard cooling or clock management is present.

Fordele

  • Expands one PCIe x16 slot via two SFF-8643 links
  • Runs at PCIe x4 bandwidth through the x16 connector
  • Standard 15-pin SATA power ensures stable delivery
  • Supports network, graphics and video cards in the slot
  • Built for servers and terminal extension devices

Specifikationer

TypeController Card

Spørgsmål om denne vare

What clearance does the 15-pin SATA power connector on the LRFC6921N need?

The 15-pin SATA power connector sits on the board edge; allow room for a standard SATA power cable to plug in without bending sharply against the chassis or adjacent cards.

Which slot does the LRFC6921N plug into, and what bandwidth does it actually deliver?

Insert the card into a PCIe x16 slot; the edge connector is x16 but the link runs at x4 bandwidth, so the host slot must provide at least four electrical lanes.

When should the SFF-8643 cables on the LRFC6921N be inspected or replaced?

Check the two SFF-8643 cables whenever you reseat the card or notice link errors; replace any cable with bent pins, cracked latch or intermittent connectivity.

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