What type of network adapter is the HPE 732456-B21?

The HPE 732456-B21 is the HPE FlexFabric 10Gb 2-port 556FLR-SFP+ Adapter, categorized as an enterprise Ethernet adapter. It is positioned in the 10Gb, dual-port, SFP+ segment, making it suitable where 10Gb Ethernet and SFP+ interfaces are part of the network design.

How many network ports does the HPE FlexFabric 10Gb 2-port 556FLR-SFP+ Adapter provide?

: "This adapter is defined as a 2-port solution in the product data. As part of the 10Gb, dual-port, SFP+ category, it delivers two network connections on a single adapter, enabling designs that require multiple physical links per server or simple port-level redundancy.

What interface type does this HPE FlexFabric adapter use?

The HPE FlexFabric 10Gb 2-port 556FLR-SFP+ Adapter is listed in the category of 10Gb, dual-port, SFP+ network adapters. This indicates it uses SFP+ interfaces, so it is intended for environments built around SFP+ based optics and cabling at the server edge.

Is the HPE 732456-B21 suitable for 10Gb network environments?

Yes, the product data classifies this adapter in the 10Gb, dual-port, SFP+ category. That classification confirms it is aligned with 10Gb Ethernet environments where servers are provisioned with 10Gb links to top of rack or aggregation switches using SFP+ connectivity.

What information is available to help assess power planning for this adapter?

The specifications include a reference to power consumption, indicating that power usage for this adapter is a tracked characteristic. While no specific value is listed here, its inclusion allows procurement and infrastructure teams to consult detailed power figures in related technical documentation for rack planning.

732456-B21 - HPE 732456-B21 10Gb 2-port SFP+ network adapter

Name: HPE 732456-B21 10Gb 2-port SFP+ network adapter
Brand: HPE
SKU: 732456-B21

732456-B21 - HPE 732456-B21 10Gb 2-port SFP+ network adapter | US IT Hardware

Product overview

The HPE FlexFabric 10Gb 2-port 556FLR-SFP+ Adapter 732456-B21 is an enterprise network adapter designed for environments standardizing on 10Gb Ethernet. As a dual-port solution in the 10Gb category, it supports deployments that require multiple high-speed network connections per server. Classified as an SFP+ Ethernet adapter, it fits infrastructures using SFP+ based cabling and optics. This adapter belongs to the HPE FlexFabric family, helping organizations align with a consistent adapter portfolio across data center servers. With its 10Gb capabilities and two SFP+ ports, it is suitable for applications where bandwidth and port density are key planning factors. The product data references networking ports and interfaces, as well as power consumption, enabling procurement teams to evaluate it in relation to rack power budgets and network design standards within enterprise deployments.

10Gb Ethernet network adapter for server connectivity
Dual-port design supporting two network connections
SFP+ interface for use with SFP+ based cabling
Enterprise level HPE FlexFabric adapter model
SKU 732456-B21 for precise procurement tracking
Supports planning around adapter power consumption

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

Manufacturer part #	732456-B21
Brand	HPE
Condition	New
Model	556FLR-SFP+
Generation	10Gb
Model Name	HPE FlexFabric 10Gb 2-port 556FLR-SFP+ Adapter
Technology	Ethernet
Product Line	HPE FlexFabric
Product Type	Network adapter
Sub-Category	SFP+
Supported Protocols	Ethernet

Compatible systems

HPE FlexFabric 10Gb 2-port 556FLR-SFP+ FIO adapter for supported HPE ProLiant Gen9 servers.

HPE ProLiant
Model: DL560 Gen9
Form factor: Server
Generation: Gen9
Referenced on the manufacturer support page and third-party listings.
HPE ProLiant
Model: DL360 Gen9
Form factor: Server
Generation: Gen9
Listed by third-party compatibility text.
HPE ProLiant
Model: DL380 Gen9
Form factor: Server
Generation: Gen9
Listed by third-party compatibility text.

Best for

Enterprise servers
Suitable for enterprise servers needing a 10Gb Ethernet adapter with dual ports, allowing standardized deployment of HPE FlexFabric 10Gb 2-port 556FLR-SFP+ connectivity.
10Gb data center networks
Fits data center designs built around 10Gb Ethernet, providing a dual-port 10Gb adapter option in environments that require consistent 10Gb throughput per server.
SFP+ based infrastructures
Designed for infrastructures that use SFP+ interfaces, enabling clean integration where 10Gb 2-port SFP+ Ethernet adapters are part of the network architecture.

Details

Shipping, warranty & returns

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Ports	2
PCIe Lanes	x8
PCIe Slots	1
PCIe Version	3.0
Card Interface	FLR
Ethernet Speed	10Gbps
Interface Type	SFP+

HPE 732456-B21 10Gb 2-port SFP+ network adapter