HP JL251A 40G QSFP+ BiDi Transceiver

Name: HP JL251A 40G QSFP+ BiDi Transceiver
Brand: HP
SKU: JL251A

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...

$149.00*

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*Price sourced from Amazon.com. Last updated:Jul 21, 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

Frequently Asked Questions

What is the primary function of the HP JL251A?

The HP JL251A is a 40G QSFP+ BiDi Transceiver, used for high-speed optical data transmission in networking.

What speed does this transceiver support?

It supports 40 Gigabit (40G) network speeds.

What does "BiDi" mean in the context of this transceiver?

BiDi stands for Bi-directional, meaning it can transmit and receive data over a single optical fiber strand, reducing cabling requirements.

What form factor is this transceiver?

This transceiver uses the QSFP+ (Quad Small Form-factor Pluggable Plus) form factor.

Where is this product manufactured?

The country of origin for the HP JL251A 40G QSFP+ BiDi Transceiver is CHINA.

Is this transceiver compatible with all network equipment?

No, it is designed for compatibility with specific HP networking equipment that has 40G QSFP+ ports.

What Buyers Say

👍 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.