HP J4859C - HP X121 1G SFP LC LX Transceiver
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
HP J4859C - HP X121 1G SFP LC LX Transceiver
The HP transceiver module is designed to deliver exceptional performance and reliability for IT departments seeking to enhance their network infrastructure. With a maximum data transfer rate of 1000 Mbit/s and an impressive transfer distance of up to 10 kilometers, this fiber optic transceiver supports seamless communication for enterprise-level applications. Its compatibility with both 50/125 and 62.5/125 µm multi-mode fiber ensures versatile deployment across various existing network setups, simplifying integration and reducing the need for additional infrastructure investments.
This transceiver features an LC fiber optic connector and operates on a full-duplex system, ensuring efficient and stable data transmission. The SFP interface type provides easy installation and hot-swapping capabilities, which are critical for minimizing downtime and maintaining uninterrupted network performance. Operating efficiently within a temperature range starting at 0 °C, it is well-suited for diverse environments, further enhancing its reliability for long-term deployment.
Moreover, the transceiver's low power consumption of 0.5 W and lightweight design at just 20 grams make it an energy-efficient and manageable choice for IT professionals focused on sustainability and ease of handling. As part of HP's trusted portfolio, this transceiver module offers a dependable solution that aligns with the operational and budgetary needs of modern enterprises, ensuring consistent performance and compatibility with existing systems.
Specifications
| Brand | HP |
|---|---|
| Co2 Savings | 0 |
| Operational conditions | |
|---|---|
| Minimum operating temperature | 0 °C |
| Performance | |
| Auto MDI/MDI-X | No |
| Duplex system | Full |
| Fiber cable diameters supported (core/cladding) | 50/125,62.5/125 µm |
| Fiber optic connector | LC |
| Fiber ports quantity | 2 |
| Interface type | SFP |
| Maximum data transfer rate | 1000 Mbit/s |
| Maximum transfer distance | 10000 m |
| Multi-mode fiber (MMF) supported | Yes |
| SFP transceiver standard | BX-D |
| SFP transceiver type | Fiber optic |
| Wavelength | 1310 nm |
| Power | |
| Power consumption (typical) | 0.5 W |
| Weight & dimensions | |
| Weight | 20 g |
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
Looking to sell your IT equipment?
- Fair market value estimations
- Flexible and hassle-free pickup
- Secure data destruction
- Quick and easy payment


Need a server or storage configuration?
- Competitive pricing
- Fast international shipping
- Technical in-house support
- Significant savings compared to new systems
