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Sale Arpers 100GBASE-LR4 QSFP28, SMF, 10km, 1310nm, LC Dúplex, DOM, compatible with Juniper Ref: QSFP-100GBASE-LR4-COM ~~445.00 €~~ 445.00 € 445.0 EUR	Sale Arpers 100GBASE-LR4 QSFP28, 1310nm, LC Dúplex, 10km, SMF, DOM compatible with Juniper Ref: JNP-QSFP-100G-LR4-COM ~~387.03 €~~ 387.03 € 387.03000000000003 EUR	Sale Arpers 100GBASE-SR4 QSFP28, 850nm, 100m, MPO-12/UPC, MMF compatible with Juniper Ref: JNP-QSFP-100G-SR4-COM ~~96.03 €~~ 96.03 € 96.03 EUR

Frequently Asked Questions

What warranty do refurbished products have?

We offer warranties tailored to the type of customer and product:

🏢 B2B Clients (companies and professionals)

Standard 12-month warranty for servers, components, and IT equipment, extendable according to customer needs.
Lifetime warranty for networking equipment from Cisco, Arista, Juniper, and Arpers transceivers.
6-month warranty for batteries and power supplies.
IP Phones: 12 months.

👤 B2C Customers (individuals / end users)

All new products come with a 2-year legal warranty, in accordance with European regulations.
Refurbished products come with a minimum 1-year warranty, unless otherwise specified in the quotation.
Batteries and power supplies come with a 6-month warranty.
This warranty does not cover damage caused by misuse or electrical overloads.

What does “refurbished” mean? Are these used products?

A refurbished product (REF) is equipment that has been previously used but has been inspected, tested, and certified by our technical team to ensure optimal performance.

Unlike a simply used product, a refurbished one goes through a complete process of inspection, cleaning, repair (if necessary), and quality testing. It may show minor cosmetic signs of use, but these do not affect performance.

🔍 Product Types at MercadoIT:

REF – Refurbished: previously used, tested, and certified for renewed use.
NIB – New in Box: brand-new, sealed in its original packaging.
NOB – New Open Box: brand-new product with opened packaging.
WS – Official product from Cisco’s Wholesale program.

We always clearly indicate the condition of each product so you can choose with complete confidence.

Why choose refurbished instead of new?

Choosing refurbished equipment is a smart decision: you save costs, maintain performance, and contribute to sustainability.

💸 Up to 90% savings compared to new.
⚙️ Guaranteed performance, tested and certified.
🌱 Commitment to the circular economy.
🚚 Stock available for immediate shipping.
🔁 Ideal for maintaining EOL/EOS equipment.

It is a cost-effective, reliable, and responsible solution for any company.

Can I return a product if I’m not satisfied?

Yes, you can return a product within 14 calendar days from the date of receipt, whether you are a private customer or a company, subject to certain specific conditions:

👤 B2C Customers (individuals/consumers)

You may exercise your right of withdrawal without the need for justification, within 14 days from delivery.
You will only have to cover the return shipping costs, if applicable.
The product must be returned in its original packaging and in suitable condition for inspection.
You can manage the return through:
👉 https://mercadoit.com/soporte-rma

🏢 B2B Customers (companies and professionals)

You also have 14 calendar days to withdraw from the purchase from the date of receipt of the product.
For online orders, the same conditions as for B2C apply.
For offline orders (quotations or customized purchases), a 30% depreciation may be applied.
Returns are not accepted for customized material or items purchased exclusively for the customer.
If the reason for the return is not attributable to MercadoIT, the shipping costs shall be borne by the customer.
Manage any return, incident, or warranty through:
👉 https://mercadoit.com/soporte-rma

Do you offer technical support?

Yes, we offer specialized technical support to assist you at every stage of your IT infrastructure lifecycle.

We provide an IT maintenance service tailored to each client’s needs, especially useful for companies that want to keep their equipment in perfect condition, even after it has reached its End of Support (EOS) or End of Life (EOL) date.

🔧 Our services include:

Pre-sales technical advice: we help you choose the right solution.
Installation, configuration, and commissioning if required by the customer.
Corrective and preventive maintenance to ensure optimal hardware performance.
Replacement of parts in case of failure, even for discontinued equipment.
Support for EOS/EOL equipment, ensuring operational continuity without the need to renew the entire infrastructure.
Secure data erasure and refurbishment, if you wish to extend the lifecycle of your equipment.

What brands and equipment do you offer?

We work with leading brands such as Cisco, Juniper, Arista, Dell, HP, Huawei, IBM, and many more. We offer both refurbished and new products, covering a wide range of technological needs.

🔧 Types of equipment:

Switches, routers, and transceivers
Servers and storage
IP phones and video conferencing
Components (RAM, disks, CPUs, etc.)

🚀 Arpers compatible transceivers

In addition, we have our own brand of compatible transceivers: Arpers, which offers high performance, guaranteed compatibility, and greater cost-effectiveness for your projects, without compromising quality or reliability.