HP

HP JL251A 40G QSFP+ BiDi Transceiver

High-Speed Connectivity with Unidirectional TechnologyIntroducing the HP X140 40G QSFP+ LC BiDi Transceiver. Designed for short-range, high-density 40GbE interconnects, this transceiver leverages BiDirectional technology over multimode fiber for efficient data transmission. Brand: HP Model: JL2...

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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

High-Speed Connectivity with Unidirectional Technology

Introducing the HP X140 40G QSFP+ LC BiDi Transceiver. Designed for short-range, high-density 40GbE interconnects, this transceiver leverages BiDirectional technology over multimode fiber for efficient data transmission.

  • Brand: HP
  • Model: JL251A
  • Type: QSFP+ Transceiver
  • Speed: 40G
  • Interface: LC BiDi
  • Distance: 100m
  • Media: Multimode Fiber (MM)

Key Features

Country of Origin: CHINA

Specifications

Product Type
Transceiver
Speed
40G
Form Factor
QSFP+
Technology
BiDi (Bi-directional)
Country of Origin
CHINA

Pros & Cons

👍 Pros

  • Designed specifically for 40G QSFP+ BiDi connections, ensuring compatibility and performance for high-speed networking.
  • Utilizes BiDi (Bi-directional) technology, which allows for communication over a single fiber strand, optimizing cabling infrastructure.
  • An original HP product, suggesting seamless integration and reliability with compatible HP networking equipment.
  • Ideal for data centers and enterprise networks requiring efficient and high-bandwidth optical links.
  • Offers a cost-effective solution for upgrading existing fiber optic networks to 40G speeds without extensive recabling.

👎 Cons

  • Its specific 40G QSFP+ BiDi interface means it is not compatible with lower speed (e.g., 10G) or different form factor transceivers.
  • The "Country of Origin: CHINA" is the only feature provided, which does not give specific performance or technical details.
  • Requires compatible QSFP+ ports and fiber cabling (typically single-mode for BiDi) to function correctly.
  • Without further specifications, assessing its power consumption, reach, or temperature tolerance is not possible.
  • Targeted for a niche market of network professionals, not a general-purpose networking component.

Frequently Asked Questions

The HP JL251A is a 40G QSFP+ BiDi Transceiver, used for high-speed optical data transmission in networking.
It supports 40 Gigabit (40G) network speeds.
BiDi stands for Bi-directional, meaning it can transmit and receive data over a single optical fiber strand, reducing cabling requirements.
This transceiver uses the QSFP+ (Quad Small Form-factor Pluggable Plus) form factor.
The country of origin for the HP JL251A 40G QSFP+ BiDi Transceiver is CHINA.
No, it is designed for compatibility with specific HP networking equipment that has 40G QSFP+ ports.