{"product_id":"lenovo-qsfp-module-40gbase-sr4-transceiver","title":"Lenovo Qsfp Module 40Gbase Sr4 Transceiver","description":"\u003cdiv\u003e\n\u003cp\u003eExperience ultra-compact, high-density 40G Ethernet connectivity with the Lenovo QSFP+ Module 40GBASE-SR4 Transceiver. Designed for modern data centers and optical networks, this transceiver delivers a reliable, scalable path to 40 Gigabit Ethernet across short-reach multi-mode fiber. Its QSFP+ form factor makes it ideal for dense rack deployments, inter-switch uplinks, server-to-switch connections, and spine-leaf architectures. Built with Lenovo’s engineering precision, the module blends high performance, broad interoperability, and straightforward deployment to keep data-center networks running smoothly, with minimal downtime and maximum uptime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eHigh-density 40GBASE-SR4 connectivity:\u003c\/b\u003e The transceiver provides a full 40 Gbps data rate across four lanes of 10 Gbps each, enabling high-bandwidth uplinks and rapid server-to-switch communications in even the most demanding data centers.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMultimode fiber optimization for short-reach links:\u003c\/b\u003e Optimized for multimode fiber networks, SR4 is engineered to deliver predictable performance over short-reach links, making it perfect for intra-data-center connections between servers, top-of-rack switches, and core fabrics.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOM3\/OM4 compatibility with MPO\/MTP connector:\u003c\/b\u003e Designed for multi-mode fiber, this module uses an MPO\/MTP interface and is optimized for OM3 and OM4 fiber types, enabling flexible cabling options in dense deployments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePlug-and-play and hot-swappable:\u003c\/b\u003e Engineered for seamless integration with Lenovo equipment and broad interoperability with other vendors’ QSFP+ ports that support 40GBASE-SR4. The module is designed for straightforward installation with hot-swappable capability on supported devices, minimizing downtime during upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIdeal for scalable data-center growth:\u003c\/b\u003e The SR4 transceiver provides a scalable, enterprise-grade path to faster interconnects, supporting virtualization, big data analytics, AI workloads, and real-time data replication with reliable performance and efficient thermal management.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical Details of Lenovo Qsfp Module 40Gbase Sr4 Transceiver\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eData rate:\u003c\/b\u003e 40 Gbps total, across four lanes of 10 Gbps each\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandard:\u003c\/b\u003e 40GBASE-SR4 compliant\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eForm factor:\u003c\/b\u003e QSFP+ (Quad Small Form-factor Pluggable Plus)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFiber type:\u003c\/b\u003e Multi-mode fiber (MMF)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eConnector:\u003c\/b\u003e MPO\/MTP connector for multi-fiber cabling\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWavelength:\u003c\/b\u003e 850 nm VCSEL-based transmitter and receiver design\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Optimized for OM3\/OM4 fiber; designed for interoperability with Lenovo gear and other vendors’ QSFP+ ports that support 40GBASE-SR4\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting and deployment:\u003c\/b\u003e Plug-and-play operation with hot-swappable capability on supported devices\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Ideal for data-center uplinks, server-to-switch connections, top-of-rack fabrics, and spine-leaf architectures requiring high-density 40G interconnects\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReliability:\u003c\/b\u003e Enterprise-grade design with robust thermal management and Lenovo’s interoperability testing to support mixed environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ehow to install Lenovo Qsfp Module\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003ePrepare the equipment:\u003c\/b\u003e Ensure the destination device supports QSFP+ SR4 transceivers and hot-swap capability. If you're upgrading live, confirm the maintenance window and back up configurations as needed.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePower considerations:\u003c\/b\u003e For supported deployments, you may insert or remove the module while the device is powered on (hot-swappable). If in doubt, consult your device vendor's guidelines.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInsert the transceiver:\u003c\/b\u003e Align the QSFP+ module with the slot and push firmly until the latch engages and you hear or feel a click. The module should be securely seated with no gaps.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eConnect the fiber cabling:\u003c\/b\u003e Attach multimode fiber using an MPO\/MTP trunk or break-out cables terminated for OM3\/OM4. Ensure the fiber ends are clean and properly terminated to optimize SR4 performance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVerify link and optics:\u003c\/b\u003e Power up the device and check the port status via the management interface (CLI or GUI). Confirm that the 40G link is up, lanes are active, and there are no error counters. Observe any status LEDs on the module or switch indicating link activity.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFollow thermal and cabling best practices:\u003c\/b\u003e Maintain adequate airflow around densely populated racks and avoid excessive bending or tension on fiber cables to preserve signal integrity and reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eInteroperability check:\u003c\/b\u003e If connecting to non-Lenovo equipment, verify vendor interoperability for 40GBASE-SR4 to ensure full cross-vendor functionality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eWhat is the Lenovo QSFP+ 40GBASE-SR4 Transceiver?\u003c\/b\u003e \u003cp\u003eThe Lenovo QSFP+ 40GBASE-SR4 Transceiver is a high-density optical transceiver that enables 40 Gigabit Ethernet over short-reach multimode fiber. It uses four 10 Gbps lanes in a QSFP+ package and is optimized for data-center interconnects, including server-to-switch links and inter-switch uplinks.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWhat fiber and connector does it use?\u003c\/b\u003e \u003cp\u003eIt is designed for multi-mode fiber with an MPO\/MTP connector and is optimized for OM3 and OM4 fiber types, delivering reliable SR4 short-reach performance.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIs the module hot-swappable and plug-and-play?\u003c\/b\u003e \u003cp\u003eYes. The module is designed for hot-swapping on supported devices and offers plug-and-play operation to minimize downtime during upgrades while maintaining consistent performance.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWill this transceiver work with non-Lenovo equipment?\u003c\/b\u003e \u003cp\u003eThe module is engineered for interoperability with other vendors' QSFP+ ports that support 40GBASE-SR4. However, always verify cross-vendor compatibility with your network equipment vendor before deployment to ensure full functionality.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWhat applications is SR4 best suited for?\u003c\/b\u003e \u003cp\u003eSR4 is optimized for short-reach data-center deployments, including inter-switch links, spine-leaf fabrics, top-of-rack connections, virtualization workloads, real-time data replication, and AI\/analytics pipelines where high bandwidth and low latency are critical.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eWhat kind of maintenance or cooling considerations does it require?\u003c\/b\u003e \u003cp\u003eAs with any high-speed optical module, ensure proper airflow, avoid overheating, and handle fiber optics with care to prevent contamination and optical misalignment. Lenovo’s design emphasizes reliability and robust thermal management for continuous operation.\u003c\/p\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Lenovo","offers":[{"title":"Default Title","offer_id":46747841134818,"sku":"4041305","price":921.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9510\/9090\/files\/175566709.jpg?v=1755205963","url":"https:\/\/pegasussonline.com\/products\/lenovo-qsfp-module-40gbase-sr4-transceiver","provider":"PEGASUSS ","version":"1.0","type":"link"}