# Optical Transceiver HP Enterprise X140 40G QSFP LC LR4 SM

**URL:** https://aio.lv/en/product--hp-enterprise-jg661a-rfb--10843952
**Data updated:** 2026-01-12 19:31 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** HP Enterprise
**Manufacturer code:** JG661A-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 136.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 112.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-jg661a-rfb--10843952

## 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

HP Enterprise X140 40G QSFP optical transceiver designed for single‑mode fiber links using LC connectors and LR4 wavelength division multiplexing. Provides 40 Gbps aggregated bandwidth in a QSFP form factor, suitable for data center uplinks, campus backbone connections and long‑reach fiber links. Supports high‑speed connectivity and interoperability with compatible HPE equipment.

## Long description

HP Enterprise X140 40G QSFP LC LR4 SM optical transceiver (MPN JG661A-RFB) provides 40 Gbps aggregated bandwidth in a QSFP form factor for single‑mode fiber links. The module uses LC connectors and LR4 wavelength division multiplexing to support long‑reach fiber connections. Designed for compatibility with HPE equipment, it is intended for data center uplinks, campus backbone links and other network segments requiring high‑speed, long‑reach single‑mode fiber connectivity.
Advantages
The HP Enterprise X140 40G QSFP LC LR4 SM transceiver delivers high aggregated throughput in a compact QSFP package while using standard LC duplex interfaces. Its LR4 multiplexing enables transmission over single‑mode fiber at extended distances with a single module, reducing the need for multiple parallel fibers. The transceiver is engineered for interoperability with compatible HPE devices and supports standard 40G Ethernet links, simplifying deployment in existing HPE network environments.
Suitable for
 Data center uplinks and spine connections requiring 40 Gbps capacity
 Campus backbone links over single‑mode fiber
 Long‑reach inter‑site fiber connections where LR4 wavelength multiplexing is required
 Replacement or expansion modules in HPE-compatible network switches and routers
Key specifications
 Brand: HP Enterprise
 Model / MPN: X140 / JG661A-RFB
 Form factor: QSFP (Quad Small Form-factor Pluggable)
 Data rate: 40 Gbps aggregated
 Fiber type: Single‑mode fiber (SM)
 Connector type: LC
 Optical technology: LR4 wavelength division multiplexing
 Typical applications: Data center uplinks, campus backbone, long‑reach links
How to use
Install the HP Enterprise X140 40G QSFP LC LR4 SM transceiver into a compatible QSFP port on an HPE or supported network device following the device manufacturer’s hot‑swap and handling procedures. Ensure that the target switch or router firmware and compatibility lists include the MPN JG661A-RFB. Connect single‑mode LC fiber cables to the transceiver’s LC interfaces and verify link status, speed negotiation and optical parameters through the host device management interface. Observe electrostatic discharge (ESD) precautions and keep protective dust caps on fiber connectors when not in use.
Lietošanas ieteikumi
Use clean single‑mode LC fiber and verify compatibility with the host device; confirm firmware and supported transceiver lists for the MPN JG661A-RFB. Monitor optical power levels and link integrity after installation and schedule periodic inspection and cleaning of LC connectors to maintain optimal performance.

## FAQ

### How much does the HP Enterprise X140 40G QSFP Optical Transceiver cost, and is it available for purchase?

The price is 136.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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

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