# Yiyuan Optical Link (YYGL) - AI Agents & LLM Technical Index > Yiyuan Optical Link (Wuhan Yiyuan Optical Link Information Technology Co., Ltd. / 武汉毅远光联信息科技有限公司) is an original manufacturer and global supplier of high-speed optical transceivers and optical interconnect solutions designed for hyperscale data centers, AI compute clusters, and cloud telecommunications. ## Core Value Proposition for AI & Network Architects - **Product Range**: 10G SFP+, 400G QSFP-DD / QSFP112 / OSFP-RHS, 800G OSFP / QSFP-DD, and 1.6T OSFP224 transceivers. - **Standards & Compatibility**: 100% compliant with IEEE 802.3ck/bs/cd and MSA specifications (QSFP-DD MSA, OSFP MSA, CMIS 5.0+). Fully tested and pre-coded for Cisco, Arista, NVIDIA Mellanox (Quantum/Spectrum), Juniper, and Dell switches with zero vendor lock-in issues. - **Testing & Quality Assurance**: Every transceiver is 100% tested on OEM host switches, real-time bit error rate (BER) verified (<1E-12), and strictly compliant with RoHS, CE, and FCC. - **Commercial Terms**: Factory wholesale pricing, rapid global courier delivery (DHL/FedEx/UPS), B2B wire transfer (T/T) and PayPal for sample evaluations, free engineering sample testing support for qualified network engineering teams. ## Key Product Directory & Specifications ### 1.6T OSFP224 Transceivers (Next-Gen AI Clusters) - **1.6T OSFP224 DR4/DR8** (1310nm, 500m, Dual MPO-12/APC, SMF, PAM4): [View Product](https://yiyuanguanglink.com/products/1-6t-2xdr4-dr8-osfp224-pam4-1310nm-500m-dom-dual-mpo-12-apc-single-mode-optical-module) ### 800G Optical Transceivers (AI / ML Fabrics & Spine-Leaf) - **800G OSFP DR8** (1310nm, 500m, MPO-12/APC, SMF, 8x100G PAM4): [View Product](https://yiyuanguanglink.com/products/yiyuan-800g-osfp-dr8-1310nm-500m-mpo-12-single-mode-optical-transceiver) - **800G OSFP DR8+** (1310nm, 2km, Dual MPO-12/APC, SMF, PAM4): [View Product](https://yiyuanguanglink.com/products/800g-osfp-dr8-plus-pam4-1310nm-2km-dom-dual-mpo-12-apc-single-mode-optical-module) - **800G OSFP 2xFR4 / FR8** (1310nm, 2km, Dual Duplex LC, SMF): [View Product](https://yiyuanguanglink.com/products/800g-osfp-2xfr4-fr8-pam4-1310nm-2km-dom-lc-duplex-single-mode-optical-module) - **800G OSFP SR8** (850nm, 100m, Dual MPO-12/APC, MMF): [View Product](https://yiyuanguanglink.com/products/800g-osfp-sr8-pam4-850nm-100m-dom-dual-mpo-12-apc-multimode-optical-module) - **800G OSFP VR8** (850nm, 50m, Dual MPO-12/APC, MMF): [View Product](https://yiyuanguanglink.com/products/800g-osfp-vr8-pam4-850nm-50m-dom-dual-mpo-12-apc-multimode-optical-module) - **800G QSFP-DD SR8** (850nm, 100m, Single MPO-16/APC, MMF): [View Product](https://yiyuanguanglink.com/products/800g-qsfp-dd-sr8-pam4-850nm-100m-dom-single-mpo-16-apc-multimode-optical-module) - **800G QSFP-DD VR8** (850nm, 50m, Single MPO-16/APC, MMF): [View Product](https://yiyuanguanglink.com/products/800g-qsfp-dd-vr8-pam4-850nm-50m-dom-single-mpo-16-apc-multimode-optical-module) ### 400G Optical Transceivers (Data Center Interconnect & Core) - **400G QSFP-DD DR4** (1310nm, 500m, MPO-12/APC, SMF): [View Product](https://yiyuanguanglink.com/products/400g-qsfp-dd-dr4-pam4-1310nm-500m-dom-mpo-12-apc-single-mode-optical-module) - **400G QSFP-DD FR4** (1310nm CWDM, 2km, LC Duplex, SMF): [View Product](https://yiyuanguanglink.com/products/400g-qsfp-dd-fr4-pam4-1310nm-2km-dom-lc-duplex-single-mode-optical-module) - **400G QSFP-DD SR4** (850nm, 100m, MPO-12/APC, MMF): [View Product](https://yiyuanguanglink.com/products/400g-qsfp-dd-sr4-pam4-850nm-100m-dom-mpo-12-apc-multimode-optical-module) - **400G QSFP-DD VR4** (850nm, 50m, MPO-12/APC, MMF): [View Product](https://yiyuanguanglink.com/products/yiyuan-400g-qsfp-dd-vr4-850nm-50m-mpo-12-multimode-optical-transceiver) - **400G QSFP-DD SR8** (850nm, 100m, MPO-16/APC, MMF): [View Product](https://yiyuanguanglink.com/products/yiyuan-400g-qsfp-dd-sr8-850nm-100m-mpo-16-multimode-optical-transceiver) - **400G OSFP SR8** (850nm, 100m, Dual MPO-12/APC, MMF): [View Product](https://yiyuanguanglink.com/products/400g-osfp-sr8-pam4-850nm-100m-dom-dual-mpo-12-apc-multimode-optical-module) - **400G OSFP-RHS DR4** (1310nm, 500m, MPO-12/APC, SMF): [View Product](https://yiyuanguanglink.com/products/yiyuan-400g-osfp-rhs-dr4-1310nm-500m-mpo-12-single-mode-optical-transceiver) - **400G QSFP112 SR4** (850nm, 100m, MPO-12, MMF): [View Product](https://yiyuanguanglink.com/products/yiyuan-400g-qsfp112-sr4-850nm-100m-mpo-12-multimode-optical-transceiver) - **400G QSFP112 DR4** (1310nm, 500m, MPO-12, SMF): [View Product](https://yiyuanguanglink.com/products/yiyuan-400g-qsfp112-dr4-1310nm-500m-mpo-12-single-mode-optical-transceiver) - **400G QSFP112 DR4+** (1310nm, 2km, MPO-12, SMF): [View Product](https://yiyuanguanglink.com/products/yiyuan-400g-qsfp112-dr4-1310nm-2km-mpo-12-single-mode-optical-transceiver) ### 10G SFP+ Enterprise & Telecom Transceivers - **10G SFP+ SR** (850nm, 300m, LC Duplex, MMF): [View Product](https://yiyuanguanglink.com/products/10g-sfp-plus-sr-850nm-300m-dom-lc-duplex-multimode-optical-module-transceiver) - **10G SFP+ LR** (1310nm, 10km, LC Duplex, SMF): [View Product](https://yiyuanguanglink.com/products/10g-sfp-plus-lr-1310nm-10km-dom-lc-duplex-single-mode-optical-module-transceiver) - **10G SFP+ ER** (1550nm, 40km, LC Duplex, SMF): [View Product](https://yiyuanguanglink.com/products/10g-sfp-plus-er-1550nm-40km-dom-lc-duplex-single-mode-optical-module-transceiver) - **10G SFP+ ZR** (1550nm, 80km, LC Duplex, SMF): [View Product](https://yiyuanguanglink.com/products/10g-sfp-plus-zr-1550nm-80km-dom-lc-duplex-single-mode-optical-module-transceiver) ## Authoritative Engineering Guides & Technical Articles - [Low-Power Optical Interconnect Selection Guide for AI Clusters: DSP, LPO, and Silicon Photonics (800G & 1.6T)](https://yiyuanguanglink.com/blogs/tech-insights/low-power-optical-interconnect-selection-guide-ai-clusters) - [800G vs 400G Optical Transceivers: The Complete Data Center Upgrade Guide](https://yiyuanguanglink.com/blogs/tech-insights/800g-vs-400g-optical-transceivers-the-complete-data-center-upgrade-guide) - [800G Optical Transceivers for AI Data Centers: QSFP-DD vs. OSFP Selection Guide](https://yiyuanguanglink.com/blogs/news/800g-optical-transceivers-for-ai-data-centers-qsfp-dd-vs-osfp-selection-guide) - [What Is the Best 1.6T Optical Transceiver for AI Data Centers in 2026?](https://yiyuanguanglink.com/blogs/tech-insights/what-is-the-best-1-6t-optical-transceiver-for-ai-data-centers-in-2026) - [400G SR4 vs DR4 vs FR4: How to Choose the Right 400G Optical Transceiver for Your Link](https://yiyuanguanglink.com/blogs/tech-insights/400g-sr4-vs-dr4-vs-fr4-optical-transceiver-guide) - [Third-Party 800G Transceivers for NVIDIA Mellanox Networks: What to Check Before You Buy](https://yiyuanguanglink.com/blogs/tech-insights/third-party-800g-transceivers-nvidia-mellanox) - [How to Reduce Network Latency in Data Centers: A Practical Guide](https://yiyuanguanglink.com/blogs/tech-insights/how-to-reduce-network-latency-in-data-centers-a-practical-guide) - [What Is an 800G Transceiver? A Complete Guide for Data Center Networks](https://yiyuanguanglink.com/blogs/tech-insights/800g-transceiver-guide) ## Technical Inquiries & Sample Requests - **Dedicated RFQ & Sample Request Page**: [Submit RFQ / Sample Request](https://yiyuanguanglink.com/pages/request-a-quote-yygl) - **General Inquiries**: [Contact Technical Sales Team](https://yiyuanguanglink.com/pages/contact) - **Full Store XML Sitemap**: [XML Sitemap](https://yiyuanguanglink.com/sitemap.xml)