How many transceivers are included in the HP GBIC SFP 4Gb SW Transceiver Module x2 kit?

As indicated by the model name HP GBIC SFP 4Gb SW Transceiver Module x2, the kit includes two SFP transceiver modules. This allows use across two compatible Fibre Channel interfaces or provides an additional unit that can be kept as a spare for redundancy or future expansion.

Which networking technology does the 397577-B21 kit support?

The 397577-B21 kit belongs to the Network Adapters, Fibre Channel category and is defined as a 4Gb SW SFP transceiver kit. This means it is intended for Fibre Channel networking environments that use 4Gb shortwave SFP optical modules for connectivity.

What form factor does the HP 397577-B21 transceiver kit use?

: "The model description HP GBIC SFP 4Gb SW Transceiver Module x2 indicates that the kit uses GBIC SFP form-factor transceiver modules. This SFP design is commonly used in Fibre Channel network adapters and related hardware that accept SFP optical modules.

Is the HP 397577-B21 suitable for shortwave Fibre Channel links?

Yes, the kit is identified as a 4Gb SW SFP transceiver kit and the model name specifies 4Gb SW Transceiver Module x2. The SW designation refers to shortwave, indicating that these SFP modules are intended for 4Gb shortwave Fibre Channel optical connections.

397577-B21 - HP 397577-B21 4Gb SW SFP transceiver kit

Name: HP 397577-B21 4Gb SW SFP transceiver kit
Brand: HP
SKU: 397577-B21
Price: 68 USD
Availability: InStock

397577-B21 - HP 397577-B21 4Gb SW SFP transceiver kit | US IT Hardware

Product overview

The HP 397577-B21 kit includes the HP GBIC SFP 4Gb SW Transceiver Module x2, designed for Fibre Channel networking environments that require 4Gb shortwave connectivity. As a 4Gb SW SFP transceiver kit, it supports integration into Fibre Channel infrastructures where Small Form-factor Pluggable modules are used for optical links. The dual-module configuration allows deployment across two interfaces or provides a spare module for redundancy planning. This product falls under the Network Adapters, Fibre Channel, 4Gb SW SFP transceiver kit category, making it suitable for environments standardizing on 4Gb shortwave optics. The form factor and designation as a GBIC SFP transceiver module align with typical modular networking hardware designs used in enterprise storage or fabric connectivity. With two identical 4Gb SW SFP modules in one kit, procurement teams can simplify ordering and ensure consistent component selection for compatible Fibre Channel devices.

HP GBIC SFP 4Gb SW Transceiver Module x2 kit
4Gb SW SFP transceiver kit for Fibre Channel
Designed for Fibre Channel network adapters
Includes two SFP transceiver modules
Shortwave 4Gb SFP optical transceiver design
HP branded GBIC SFP Fibre Channel solution

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Cabling Type
Manufacturer part #	397577-B21
Brand	HP
Condition	Refurbished
Model	HP GBIC SFP 4Gb SW Transceiver Module x 2
Category	Network Adapters
Fiber Type	Multimode fiber
Link Speed	4 Gbit/s Fibre Channel
Wavelength	850 nm
Application	Shortwave Fibre Channel link
Device Type	Transceiver module
Form Factor	Plug-in module

Best for

Fibre Channel fabrics
Suitable for Fibre Channel fabrics that use 4Gb SW SFP optics, leveraging the HP GBIC SFP 4Gb SW Transceiver Module x2 kit as part of the 4Gb SW SFP transceiver kit category.
Storage networking
Applies to storage networking environments standardized on 4Gb shortwave Fibre Channel, where GBIC SFP transceiver modules provide modular optical connectivity.
Redundant links
Useful for designs that require two similar 4Gb SW SFP transceiver modules, allowing one active link and one additional module for redundancy or future expansion.
Fiber-based server connectivity
Supports server or adapter connections that rely on 4Gb SW SFP Fibre Channel transceivers, matching the HP GBIC SFP 4Gb SW Transceiver Module x2 specification.
Standardized SFP deployments
Fits environments that standardize on SFP-based optical modules for Fibre Channel, using 4Gb SW SFP transceiver kits across multiple network adapters.

Frequently asked questions

What type of product is the HP 397577-B21?

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Product Line	HP GBIC SFP

Product Type	Fibre Channel transceiver module kit

Transceiver Type	4Gb SW Fibre Channel SFP

Packaged Quantity	2 SFP transceivers

Adapter Generation	Adapter option kit

Optical Reach Type	Shortwave

Optical Modulation Type	Shortwave laser

Transceiver Form Factor	SFP (mini-GBIC)

Maximum Transfer Distance	150 m

Max Transfer Distance (text)	up to 150 meters on 50/125 µm multimode fiber

Number of Transceivers Included	2

Max Distance over 50/125 µm MMF	150 m

Product Family (Text Description)	HP GBIC SFP 4Gb SW transceiver module x2

Max Distance over 62.5/125 µm MMF	70 m

Data Transfer Rate	4 Gb/s

Typical Power Consumption	0.8 W

Networking Ports & Interfaces

Ports	2 x Fibre Channel SFP ports (via included SFPs)
Connector(s)	LC duplex
Connector Type	LC multi-mode
Interface Type	SFP
Port Interface	LC multimode Fiber Channel
Connector Gender	Female
Compatible Network	Fibre Channel
Data Link Protocol	4Gb Fibre Channel
Interface Standard	4Gb Fibre Channel
Network Technology	Fibre Channel
Connector Interface Detail	LC multi-mode fiber female connector

HP 397577-B21 4Gb SW SFP transceiver kit