CISCO QSFP-40G-CSR4 - QSFP 4x10GBASE-SR Transceiver Module, MPO, 300M
High quality for less.
Buying a refurbished product from Renewtech can provide significant savings of up to 80% off the original retail price of a brand-new model, which makes it a great way to cut costs without compromising quality. In short, with a refurbished product from Renewtech, you will get:
• A high-quality product at a very cheap rate
• A cost-effective and environmentally friendly alternative
• Fast delivery, directly to you or your customer
• Great value for money
Refurbished – what is it?
A refurbished product generally refers to a used and pre-owned item. Every refurbished product from Renewtech has been professionally inspected and restored to “Grade A” condition, with faulty parts replaced with genuine ones, to make sure everything works and looks perfectly before being repackaged and put back on the market for resale. Though refurbished models may show some signs of wear, we guarantee that the items are always:
• Inspected, tested and professionally restored by certified technicians
• Fully wiped of data and software, leaving no traces of data for recovery
• Carefully wrapped and shipped in electrostatic discharge (ESD) materials
• With all original accessories and components (if applicable)
Warranty
All of our products come with a one-year warranty, starting from the date of purchase, unless otherwise stated. This warranty covers any defects in materials or workmanship that may occur during the normal use of the product.
Description
CISCO QSFP-40G-CSR4 - QSFP 4x10GBASE-SR Transceiver Module, MPO, 300M
The Cisco transceiver module is engineered for robust performance and seamless integration into high-demand networking environments. With its adherence to the Multi-Source Agreement (MSA) standards, it ensures compatibility and reliability across a range of network infrastructures, making it an ideal choice for IT departments and system integrators focusing on future-proofing and scalability. Its QSFP+ interface supports a maximum data transfer rate of 40,000 Mbit/s, allowing for swift and efficient data handling essential in modern enterprise operations.
In terms of operational resilience, this transceiver module is designed to function optimally within a temperature range of 0 to 70°C, and it supports a relative humidity range of 10 to 80%, ensuring consistent performance in diverse environmental conditions. The module's capability to work with multi-mode fiber and support for 40GBASE-CSR4 cabling technology accentuates its versatility, catering to both short and medium-range data transmission needs with a maximum transfer distance of 400 meters.
The product's compatibility with LC fiber optic connectors and its support for fiber cable diameters of 50/125 and 62.5/125 µm further enhance its adaptability within existing network setups. Additionally, its auto MDI/MDI-X feature simplifies installation and reduces configuration errors, providing a cost-efficient solution for businesses aiming to optimize their network infrastructure without compromising on performance or reliability.
Specifications
| Brand | CISCO |
|---|---|
| Co2 Savings | 0 |
| Certificates | |
|---|---|
| Certification | MSA |
| Operational conditions | |
| Operating relative humidity (H-H) | 10 - 80% |
| Operating temperature (T-T) | 0 - 70 °C |
| Storage relative humidity (H-H) | 10 - 85% |
| Storage temperature (T-T) | -40 - 85 °C |
| Performance | |
| Auto MDI/MDI-X | Yes |
| Cabling technology | 40GBASE-CSR4 |
| Fiber cable diameters supported (core/cladding) | 50/125,62.5/125 µm |
| Fiber optic connector | LC |
| Interface type | QSFP+ |
| Maximum data transfer rate | 40000 Mbit/s |
| Maximum transfer distance | 400 m |
| Multi-mode fiber (MMF) supported | Yes |
| SFP transceiver type | Fiber optic |
| Wavelength | 850 nm |
Warranty
- We ship WORLDWIDE
- All items shipped from our own warehouse
- Only B2B sale, no sales to private individuals
- Blindshipping directly to your customer
- With express delivery, your order will be delivered within 1-2 working days
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- Fair market value estimations
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- Secure data destruction
- Quick and easy payment


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