Server Adapters

LRFCF921
Dual-Port SlimSAS (SFF-8654 8i) to PCIe x16 Riser Adapter

Expands a single PCIe x16 slot into two SFF-8654 interfaces for high-bandwidth storage or accelerator connections.

Dual SFF-8654 Interfaces PCIe Gen 4 Speed GPU Power Support Compact Form Factor
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LRFCF921
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Overview Accessories Specifications Version Query

Product Overview

When server chassis space is limited but high-speed storage or accelerator density is required, traditional backplanes often fail to provide sufficient connectivity without consuming multiple slots. The LRFCF921 SlimSAS riser solves this by expanding a single PCIe x16 slot into dual high-bandwidth interfaces, maximizing rack efficiency.

This adapter features two built-in SFF-8654 connectors supporting PCIe Gen 4 protocols, delivering significantly faster transfer speeds compared to legacy SAS standards. By utilizing an ATX 2x3 GPU power interface, it ensures stable power delivery for demanding devices like NVMe SSDs or AI accelerators, eliminating performance bottlenecks in compact form factors.

Ideal for data centers, cloud computing, and industrial automation, the LRFCF921 allows seamless integration of graphics cards and accelerator modules. Its robust design operates within 0℃-80℃, making it suitable for harsh environments while providing a professional hardware solution for scalable storage and compute expansion.

Dual SFF-8654 Interfaces

Provides two SlimSAS connectors from a single PCIe slot for expanded connectivity.

PCIe Gen 4 Speed

Supports PCIe Gen 4 protocol for faster data transfer rates.

GPU Power Support

Includes ATX 2x3 GPU power interface for stable power delivery.

Compact Form Factor

Slim design fits easily into riser slots to save space.

Compatible Accessories

High-quality optical modules and cables for optimal compatibility with your network adapter.

Technical Specifications

Complete technical details for integration and deployment planning.

Hardware Specifications

LRFCF921 - Hardware Specifications Specifications
Model LRFCF921
Bus Type PCI Express
Interface Type 2*SFF-8654 (PCIe Gen 4)
Number of Ports 2 built-in interfaces
Device Connector 1*PCIe x16
Power Supply Interface ATX 2x3 GPU power connector

Physical Characteristics

LRFCF921 - Physical Characteristics Specifications
PCB Size 37*145*1.6 mm
Product Weight *
Package Size 179*150*30 mm

Environmental

LRFCF921 - Environmental Specifications
Operating Temperature 0℃-80℃ (32℉-176℉)
Storage Temperature -25℃-80℃ (-13℉-1176℉)
Humidity 15%-90%

Protocol Support

LRFCF921 - Protocol Support Specifications
Protocol Support PCIe Gen 4, SlimSAS (SFF-8654)

Feature Support (Yes)

LRFCF921 - Feature Support (Yes) Specifications
Feature Support (Yes) Dual-port expansion, High bandwidth, Accelerator support

Feature Support (No)

LRFCF921 - Feature Support (No) Specifications
Feature Support (No)

Version Identification & Query

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