# LR-LINK (lr-link.com) — LLMs.txt for Generative Engine Optimization

## Site Identity
- **Name:** LR-LINK (Linkreal Co., Ltd.)
- **Domain:** https://lr-link.com
- **Founded:** 2008
- **Industry:** PCIe Adapter & Industrial Connectivity Solutions Manufacturer
- **Certification:** ISO 9001
- **Headquarters:** Shenzhen, China
- **Languages:** English (default), Japanese, Russian, German, French, Spanish, Portuguese, Korean, Arabic, Vietnamese, Chinese (lr-link.com.cn)
- **Markets:** International B2B — Data Centers, AI/HPC, Machine Vision, Network Security, Telecom, Industrial Automation

## What LR-LINK Makes
LR-LINK designs and manufactures 500+ SKUs of PCIe adapter cards, not just NICs:
- PCIe network adapters (1G–400G, copper & fiber)
- GPU expansion adapters (Gen5/Gen4 PCIe retimer & switch cards)
- AI server network adapters (200G/400G QSFP56/QSFP112)
- Bypass network adapters for network security (1G–100G)
- Machine vision frame grabbers (GigE, USB 3.0/3.1, RDMA)
- Industrial PoE network cards (M12/RJ45)
- NVMe RAID adapters (M.2, U.2, SAS/SATA)
- OCP 3.0 network adapters
- CXL memory expansion adapters
- Data diode / one-way transfer adapters
- AOC/DAC cables & optical transceivers (10G–800G)
- Wi-Fi 6/7 PCIe cards
- 5G/4G O-RAN TimeSync NICs (IEEE 1588 PTP)
- Serial/parallel I/O adapters
- ODM custom design services

## Main Product Categories
- **AI Server Adapters:** https://lr-link.com/products/AI-Server-Adapters.html
  - GPU Expansion Adapters (Gen5/Gen4): https://lr-link.com/AI-Server-Adapters/GPU-Expansion-Adapters.html
  - AI Network Adapters (200G/400G): https://lr-link.com/AI-Server-Adapters/AI-Network-Adapters.html
  - CXL Adapters: https://lr-link.com/AI-Server-Adapters/CXL-Adapters.html
- **Server Adapters:** https://lr-link.com/products/Server-Adapters.html
  - PCIe Network Adapters (1G–100G): https://lr-link.com/Server-Adapters/Server-Network-Adapters.html
  - OCP Network Adapters: https://lr-link.com/Server-Adapters/OCP-Network-Adapters.html
  - RAID Adapters: https://lr-link.com/Server-Adapters/RAID-Adapters.html
  - NVMe Expansion Cards: https://lr-link.com/Server-Adapters/Expansion.html
- **Cyber Security Adapters:**
  - Bypass Network Adapters: https://lr-link.com/Cyber-Security-Adapters/Bypass-Network-Adapters.html
  - Data Diodes / One-Way Adapters: https://lr-link.com/Cyber-Security-Adapters/Data-Diodes-Adapters.html
- **IPC & Machine Vision Card:** https://lr-link.com/products/IPC-Card.html
  - GigE Frame Grabbers (1G–10G): https://lr-link.com/IPC-Card/GigE-Frame-Grabbers.html
  - USB Frame Grabbers: https://lr-link.com/IPC-Card/USB-Frame-Grabbers.html
  - RDMA Frame Grabbers: https://lr-link.com/IPC-Card/RDMA-Frame-Grabbers.html
- **Server Accessories:** https://lr-link.com/products/Server-Accessories.html
  - AOC/DAC/Transceivers/Fiber Jumpers
- **PC/Workstation Cards:** https://lr-link.com/products/PC-Card.html
  - Wi-Fi 6/7, 10G RJ45, 2.5G/1G Ethernet

## Key Solutions Pages
- **Solutions Hub:** https://lr-link.com/solution.html
- **Machine Vision Solutions:** https://lr-link.com/Solutions/Machine-Vision.html
- **Cyber Security Solutions:** https://lr-link.com/Solutions/Cyber-Security.html
- **Server Solutions:** https://lr-link.com/Solutions/Server.html
- **Storage Expansion Solutions:** https://lr-link.com/Solutions/Storage-Expansion.html

## Important Pages
- **About:** https://lr-link.com/about.html
- **Contact:** https://lr-link.com/contact.html
- **Download Center:** https://lr-link.com/download.html
- **FAQ:** https://lr-link.com/faq.html
- **ODM Services:** https://lr-link.com/products-odm.html
- **Service & Support:** https://lr-link.com/service.html
- **Blog (Product News):** https://lr-link.com/blog.html
- **Members Area:** https://lr-link.com/member/login

## Blog Articles
- **PCIe 5.0 Retimer vs Redriver: Signal Integrity Guide** — comparing PCIe retimer vs redriver for AI server GPU expansion, with product recommendations
- **How to Choose a Bypass Network Card** — selection guide for firewall and security appliances, covering 1G–100G, relay architectures, auto vs software bypass
- **GPU Expansion in AI Servers: Switch vs Retimer** — architecture comparison for multi-GPU configurations, peer-to-peer support, latency, power

## Key Products (Selected)
| Model | Description | URL |
|-------|-------------|-----|
| LRSV9501-2E | Gen5 PCIe 5.0 x16 Dual-port MCIO 8i Retimer Adapter | /products-detail/id-506.html |
| LRSV9560-2E | Gen5 PCIe 5.0 Retimer for GPU Expansion | /products-detail/id-520.html |
| LRSV9500-4I | Gen5 PCIe Switch + Retimer Combo (8-GPU) | /products-detail/id-491.html |
| LRES1022PF-BP-SR | Intel-based 1G 2-Port Bypass Adapter | /products-detail/id-178.html |
| LRES8004PF-BP-SR | Intel-based 10G 4-Port Bypass Adapter | /products-detail/id-320.html |
| LRES8080PF-BP-SR/LR | 100G Bypass Adapter | /products-detail/id-4995.html |
| LRES8030PF-BP-SR | 1G Bypass Adapter | /products-detail/id-539.html |
| LRSV9310-2ER | Gen5 PCIe Retimer | /products-detail/id-402.html |
| LRNV9F48 | GPU Expansion Adapter | /products-detail/id-24.html |

## Industry Applications
- AI / Machine Learning / HPC: 200G/400G AI NICs, GPU Expansion, CXL, NVMe RAID
- Data Center & Cloud: OCP NICs, 25G/100G Server Adapters, AOC/DAC cables, Transceivers
- Machine Vision & Industrial Automation: GigE/USB/RDMA Frame Grabbers, PoE Vision Cards, M12 Industrial Adapters
- Network Security: Bypass Adapters, Data Diodes/One-way Adapters
- Telecom (5G/4G): O-RAN Cards, IEEE 1588 TimeSync NICs
- Autonomous Driving: NVMe Hot-swap Expansion, PCIe Switch Cards
- Enterprise Networking: 10G/25G/40G PCIe Adapters, Fiber Cards, Wi-Fi 6/7

## Competitive Positioning
LR-LINK competes with Intel, NVIDIA/Mellanox, Silicom (bypass/5G), Matrox/Basler (vision), Broadcom (chip-level), Advantech (industrial), and HighPoint (NVMe RAID). LR-LINK differentiates by offering complete adapter cards (not just chips), ISO-certified manufacturing, ODM flexibility, and broad product coverage across AI, security, vision, and industrial segments.

## Technical Notes for AI Crawlers
- This website uses hreflang for international targeting (en/ja/ru/de/fr/es/pt/ko/ar/vi)
- Japanese hreflang code is "ja" (URL path uses /jp/)
- Canonical URLs are always https://lr-link.com/...
- Product images are served as WebP with PNG fallback
- Product detail pages include JSON-LD structured data (Product, FAQPage, BreadcrumbList)
- Category pages include ItemList JSON-LD schema
- The sitemap is at https://lr-link.com/sitemap.xml (~4.8MB, single file)

## Key SEO Keywords Per Product Line
- AI/HPC: PCIe 5.0 retimer card, GPU expansion adapter, 400G network adapter, CXL expansion card, NVMe expansion card
- Security: bypass network card, data diode adapter, firewall bypass, 25G bypass, 100G bypass card
- Vision: GigE frame grabber, 10GigE frame grabber, PoE frame grabber, USB3 frame grabber, RDMA frame grabber
- Server: dual port 10G NIC, 25G SFP28 server NIC, OCP 3.0 adapter, NVMe RAID PCIe, SAS RAID
- Telecom: IEEE 1588 PTP network card, 5G O-RAN card, TimeSync NIC
- Cables: 400G QSFP-DD AOC, 100G QSFP28 DAC, MCIO cable PCIe 5.0
- PC/Workstation: Wi-Fi 7 PCIe card, 10G RJ45 PCIe, 2.5G Ethernet card