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Green printed circuit board with gold PCIe x8 edge connector and two silver SFF-8643 ports, low-profile bracket

Shenzhen Lianrui Information Technology

Shenzhen Lianrui Information Technology LRNV9347L-2I expansion card

SKU CH-V83J-TTB5P MPN LRNV9347L-2I

Adds two U.2 NVMe drives through a PCIe 3.0 x8 slot using a PLX 8747 switch

  • Internal ports2 Ports SFF-8643
  • Supported standardsPCIe to 2 port SFF-8643 U.2 SSD NVMe Adapter
  • Transfer speed6.0 Gbit/s
  • Supported operating systemsWindows 98SE/ME/2000/XP/Vista
  • Product typePCI Express Controller Card
  • Product dimensions5.12 in × 2.21 in × 0.27 in
  • Add two U.2 NVMe drives via a single PCIe 3.0 x8 slot
  • PLX 8747 switch delivers full bandwidth to both ports simultaneously
  • Non-blocking fabric keeps each SSD at line rate under load
  • Low-profile 5.12" x 2.21" x .27" card fits tight chassis
  • Supports Windows 98SE through Vista for legacy deployments

PCIe 3.0 x8 to dual U.2 adapter

This Linkreal expansion card adds two SFF-8643 U.2 connectors to a PCI Express 3.0 x8 slot. It uses a PLX 8747 switch to present two NVMe drives to the host without bifurcation. The board suits servers or workstations that need extra high-speed storage lanes.

Bandwidth capped by PCIe 3.0 x8 and 6.0 Gbps spec

The host link provides eight third-generation lanes, while the supplier lists a 6.0 Gbps transfer rate for the adapter. Two drives running simultaneously share that upstream bandwidth, so aggregate throughput cannot exceed the x8 ceiling. Older operating systems down to Windows 98 SE are supported.

Two SFF-8643 ports decide fit

Only drives or adapters with SFF-8643 connectors attach directly; M.2 or U.3 devices need a separate cable or interposer. The card occupies a single low-profile slot measuring 5.12 by 2.21 inches. Buyers needing more than two NVMe endpoints must add another adapter.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $103.99
Pricier than about 85% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameLinkreal
Product linePCIe to 2 port SFF-8643 U.2 SSD NVMe Adapter
Model name2 Ports
Product typePCI Express Controller Card
Performance
Transfer speed6.0 Gbit/s
Connectivity
Supported standardsPCIe to 2 port SFF-8643 U.2 SSD NVMe Adapter
Ports & slots
Internal ports2 Ports SFF-8643
Size & build
Product dimensions5.12 in × 2.21 in × 0.27 in
Product weight0.31 lb (0.14 kg)
Compatibility
Supported operating systemsWindows 98SE/ME/2000/XP/Vista

Questions about this item

Should I pick the single-port or dual-port version of this LRNV9347L-2I card?

This model is the dual-port version with two SFF-8643 connectors, allowing two NVMe SSDs to run simultaneously from one PCIe 3.0 x8 slot.

What does the 6.0 Gbps transfer rate mean for my SSDs in a real system?

The 6.0 Gbps figure is the link speed per lane; with a PCIe 3.0 x8 host connection the card delivers full bandwidth to both U.2 NVMe drives at once.

How does the PCIe 3.0 x8 interface limit the two U.2 drives?

The x8 host link splits bandwidth across both SFF-8643 ports, so each NVMe SSD shares the total Gen 3 x8 throughput without blocking.

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