How many network ports does the HPE Ethernet 10Gb 2-Port 560SFP+ Adapter provide?

As indicated by its name and category, the HPE Ethernet 10Gb 2-Port 560SFP+ Adapter 665248-B21 is a dual-port adapter. It offers two network ports, each intended for 10Gb Ethernet connectivity over SFP+ interfaces. This dual-port configuration allows network designs that use redundant links, separate networks, or link aggregation from a single adapter.

What Ethernet speed is supported by the HPE 665248-B21 adapter?

The HPE 665248-B21 is specified as an Ethernet 10Gb 2-Port 560SFP+ Adapter, indicating support for 10 Gigabit Ethernet. It is categorized within 10 Gigabit Ethernet network adapters and is designed for environments where 10Gb connectivity to servers is required. This aligns it with data center and high-throughput application use cases that rely on 10Gb networking.

What interface type is used on the HPE Ethernet 10Gb 2-Port 560SFP+ Adapter?

The adapter is described as a dual-port 10Gb SFP+ server network adapter, which indicates it uses SFP+ interfaces for its 10Gb Ethernet ports. SFP+ is a common pluggable form factor for 10Gb networking, allowing organizations to deploy appropriate 10Gb cables or optical modules that match their switch infrastructure and cabling standards.

How is the HPE 665248-B21 typically integrated into a server?

The HPE Ethernet 10Gb 2-Port 560SFP+ Adapter 665248-B21 is categorized as a network adapter within the PCI Express 2.0 x8 10 Gigabit Ethernet family. This means it is intended to be installed into a compatible PCI Express slot in a server, providing two 10Gb SFP+ network connections once cabled to appropriate 10Gb switch ports.

665248-B21 - HPE Hewlett Packard Enterprise 665248-B21 10Gb 2-Port SFP+ adapter

Name: HPE Hewlett Packard Enterprise 665248-B21 10Gb 2-Port SFP+ adapter
Brand: HPE
SKU: 665248-B21
Price: 128 USD
Availability: InStock

665248-B21 - HPE Hewlett Packard Enterprise 665248-B21 10Gb 2-Port SFP+ adapter | US IT Hardware

Product overview

The HPE Ethernet 10Gb 2-Port 560SFP+ Adapter 665248-B21 is a dual-port 10 Gigabit Ethernet server network adapter designed for environments that require 10Gb connectivity over SFP+ interfaces. As a 10Gb Ethernet solution, it supports two network ports, enabling higher bandwidth connections and link design flexibility within compatible server infrastructures. This adapter is part of the HPE 560SFP+ family, aligning with 10Gb deployments that depend on SFP+ connectivity for aggregation, virtualization, or high-throughput workloads. With its dual-port design, the adapter allows network teams to segment traffic or provide redundant links within the same PCIe slot, maximizing slot usage in dense server configurations. The 665248-B21 identifier makes it straightforward to specify and standardize in procurement documentation, helping organizations maintain consistency across server network configurations while planning 10Gb SFP+ based architectures.

10Gb Ethernet server network adapter
Dual-port design for two 10Gb links
SFP+ based 10Gb connectivity
HPE branded 560SFP+ adapter
SKU 665248-B21 for standardized sourcing
PCI Express network adapter category

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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 #	665248-B21
Brand	HPE
Condition	New
Model	Ethernet 10Gb 2-Port 560SFP+ Adapter
SFP+ Cages	Two SFP+ cages enabling connections with DACs and SR fiber optic modules
Form Factor	Plug-in card
Product Line	HPE Ethernet 10Gb Adapters
Product Type	Network adapter
Bracket Included	Low profile bracket included
Integrated Memory	256 MB integrated memory
Status Indicators	Port status and link/activity LEDs

Best for

10Gb server networking
Suitable for servers that require 10Gb Ethernet connectivity using the HPE Ethernet 10Gb 2-Port 560SFP+ Adapter 665248-B21.
Dual-port link designs
Useful where two 10Gb Ethernet ports on a single adapter are needed to support separate network segments or redundant paths.
SFP+ based infrastructures
Designed for environments standardizing on 10Gb SFP+ interfaces for server uplinks and aggregation.
Consolidated NIC deployments
Helps consolidate multiple 10Gb connections into one dual-port adapter within a single server slot.
Standardized HPE configurations
Appropriate for organizations that standardize on HPE 560SFP+ adapters under the 665248-B21 identifier across their server fleet.

Frequently asked questions

What type of network adapter is the HPE 665248-B21?

Details

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Compatible Slot Type	1 x PCI Express 2.0 x8 slot

Connectivity Technology	Wired

PCI Specification Revision	PCIe 2.0

Supported Operating Systems	Microsoft Windows Server 2012 R2, Windows Server 2008, Windows Server 2008 R2, and Windows HPC Server 2008, 32-bit and 64-bit

Advanced Networking Features	Supports SR-IOV and high performance networking features

Standard and Low Profile Support	Standard and low profile adapter, compliant with PCIe standard

Designed For HPE ProLiant Gen8 Servers	Designed for HPE ProLiant Gen8 and select G7 ML, DL and SL servers

Performance

Data Transfer Rate	10 Gbps
Data Transfer Rate per Port	10 Gbps per port
Theoretical Aggregate Bandwidth	40 Gbps aggregate full duplex theoretical bandwidth
Maximum Bi-directional Throughput per Adapter	Up to 40 Gb/s bi-directional per adapter

Maximum Power Consumption	10.8 W maximum
Typical Power Consumption	10 W typical

Networking Ports & Interfaces

Ports	2 x SFP+ 10Gb Ethernet ports
Interface	10Gb Ethernet
Connector Type	SFP+
PCIe Bus Speed	8 GT/s PCI Express bus speed
Ports Quantity	2 ports
Data Link Protocol	10 Gigabit Ethernet
Network Controller	Intel 82599 controller
Interface (bus) Type	PCI Express 2.0 x8
Compatible Expansion Slot	Requires one x8 PCI Express Gen 2 slot (backward compatible with x16 PCIe Gen2)
Network / Transport Protocols	TCP/IP; iSCSI; NFS

HPE Hewlett Packard Enterprise 665248-B21 10Gb 2-Port SFP+ adapter