QSFP-40G-ESR4-NV-BO BlueOptics BO25K859S3D Transceiver
Get extra volume discount for QSFP-40G-ESR4-NV-BO and save cash:
| Quantity | Unit price |
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| To 19 |
€123.66
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€113.77
€123.66
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€105.11
€123.66
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| From 100 |
€98.93
€123.66
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€123.66
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QSFP-40G-ESR4-NV-BO
High-Density 40GbE QSFP Parallel-Optics Transceiver for Multimode Leaf/Spine Links with the QSFP-40G-ESR4-NV-BO
The QSFP-40G-ESR4-NV-BO is a QSFP 40GbE multimode SR (ESR4) transceiver engineered for parallel-optics connectivity where predictable latency and port density are primary design constraints in modern leaf/spine fabrics. By using an MPO/MTP interface at 850 nm, it enables clean 40G aggregation paths between switches and high-density uplink architectures over multimode fibre, reducing cabling complexity compared to multiple discrete lanes.
In switch-centric deployments, the QSFP-40G-ESR4-NV-BO aligns with platforms that expose QSFP-based expansion on PCIe-attached NICs or top-of-rack switching, supporting deterministic east-west traffic patterns for virtualised clusters and storage backplanes. Digital Diagnostic Monitoring (DDM) provides operational visibility into optical health for proactive maintenance, while the 300 m MMF reach supports structured cabling within rows, pods, or adjacent zones without pushing into costlier singlemode optics.
Why Choose the QSFP-40G-ESR4-NV-BO?
The QSFP-40G-ESR4-NV-BO delivers an efficient density-to-performance profile for 40GbE domains that must scale port counts without sacrificing manageability. It is well suited for standardized switch-to-switch aggregation, repeatable fabric builds, and controlled upgrade cycles where qualification, monitoring, and consistent optical behavior reduce deployment risk across large estates.
BlueOptics focuses on enterprise-grade optical engineering with an emphasis on interoperability, compliance, and lifecycle stability in data centre environments. The design supports CE, FCC, and RoHS requirements, and targets long service life with a specified MTBF of 3,000,000 hours backed by a 5-year warranty.
Key Applications:
- 40GbE leaf/spine interconnects
- Switch-to-switch aggregation over MMF
- High-density 40G uplinks in racks and pods
- Data centre fabric expansion and refresh
At Happyware - Server Hardware you benefit from non-binding offers tailored to your port-count and interoperability requirements for QSFP-40G-ESR4-NV-BO deployments, and bulk order discount options that support standardized rollouts across multiple switches and sites.
Technical details of QSFP-40G-ESR4-NV-BO
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