# Fiber optic transceiver module HPE ProCurve Gigabit-SX-LC J4858B-RFB

**URL:** https://aio.lv/en/product--hp-enterprise-j4858b-rfb--498881
**Data updated:** 2026-01-12 19:28 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** HP Enterprise
**Manufacturer code:** J4858B-RFB
**EAN:** 5705965863152
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-j4858b-rfb--498881

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The HPE ProCurve Gigabit-SX-LC Mini-GBIC transceiver module offers a data transfer rate of 1000 Mbit/s over fiber optics at a wavelength of 850 nm. It features a compact design with dimensions of 13 mm width, 57.9 mm depth, and 13 mm height. Compliant with RoHS standards, this SFP transceiver ensures reliable performance and compatibility with various HPE networking equipment.

## Long description

The HPE ProCurve Gigabit-SX-LC J4858B-RFB is a compact SFP fiber optic transceiver module designed for 1 Gbit/s Ethernet links over multimode fiber. Operating at an 850 nm wavelength, this module supports short-range gigabit connectivity and is compatible with HPE networking equipment that accepts Mini-GBIC/SFP form-factor modules. The transceiver's small dimensions (13 mm × 57.9 mm × 13 mm) make it suitable for high-density switch and router ports while meeting RoHS environmental compliance.
Advantages
This HPE ProCurve transceiver provides a reliable gigabit fiber connection with an industry-standard SFP interface, facilitating easy hot-plug replacement and interoperability with compatible HPE hardware. Its SX optics at 850 nm are optimized for short-range multimode fiber runs, offering stable throughput at 1000 Mbit/s. The module's compact size supports dense port layouts and helps maintain consistent performance across enterprise and data center networking environments.
Suitable for
 Short-range gigabit Ethernet links over multimode fiber (MMF)
 Upgrading or replacing SFP ports on HPE ProCurve switches and compatible devices
 High-density rack deployments where compact transceiver modules are required
 Campus network segments, server uplinks, and closet-to-closet fiber connections
Key specifications
 Brand: HP Enterprise
 Model / MPN: J4858B-RFB
 Interface type: SFP (Mini-GBIC)
 Maximum data transfer rate: 1000 Mbit/s (Gigabit Ethernet)
 Wavelength: 850 nm (SX optics)
 Connector type: LC
 Physical dimensions: 13 mm (W) × 57.9 mm (D) × 13 mm (H)
 Compliance: RoHS
 EAN: 5705965863152
How to use
Install the transceiver by inserting the SFP module into a compatible SFP port on the HPE switch or device until it seats securely; ensure the host device is powered according to the vendor's guidelines. Connect the multimode fiber cable with LC connectors to the module's LC port, taking care to use appropriate duplex MMF (typically OM1/OM2/OM3 depending on distance requirements). Verify link status and speed through the switch management interface or LED indicators, and perform any required software/firmware checks for compatibility with the host device.
Usage recommendations
Use this SX-LC transceiver for short-distance multimode fiber runs within buildings or between nearby network closets. Avoid using it on single-mode fiber or beyond the specified distance limits for SX optics. Keep fiber connectors clean and follow proper ESD precautions when handling the module. For optimal compatibility, consult HPE device documentation and firmware requirements before deployment.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Interface type | SFP |
| Maximum data transfer rate | 1000 Mbit/s |
| Networking standards | IEEE 802.3z |
| Duplex system | Full |
| Wavelength | 850 nm |
| Fiber optic connector | LC |
| Maximum transfer distance | 550 m |
| Fiber cable diameters supported (core/cladding) | 50/125 |
| Multi-mode fiber (MMF) supported | Yes |

### Network

| Feature | Value |
|---|---|
| SFP transceiver type | Fiber optic |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 13 mm |
| Width | 13 mm |
| Depth | 57.9 mm |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

## FAQ

### How much does the Fiber optic transceiver J4858B-RFB cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP Enterprise products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP Enterprise service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: interface type, maximum data transfer rate, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

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