How many Ethernet ports are available on the 570FLR-SFP+ Adapter 717491-B21?

This adapter is specified as a 2-port model, providing two Ethernet interfaces on a single card. The dual-port configuration is useful for separating traffic types, creating redundant paths, or aggregating bandwidth, depending on how the network is designed and configured in enterprise deployments.

What type of product category does the HPE 717491-B21 belong to?

The HPE 717491-B21 is categorized as a network adapter in the PCI Express 2.0 x8 10Gb Ethernet SFP+ adapter segment. It is further described as a dual-port 10Gb FlexibleLOM SFP+ solution for HPE ProLiant, aligning it with server network expansion and enterprise infrastructure projects.

Is the HPE 717491-B21 suitable for enterprise environments?

Yes, the adapter is explicitly classified at the enterprise product level. This means it is intended for professional IT environments such as corporate data centers or managed hosting infrastructures that rely on consistent, standardized 10Gb network adapters across multiple servers.

What is the model name of the HPE adapter with SKU 717491-B21?

The model name associated with SKU 717491-B21 is HPE Ethernet 10Gb 2-port 570FLR-SFP+ Adapter. This designation indicates that it offers 10Gb Ethernet capability and two ports, and that it belongs to the 570FLR-SFP+ family within HPE’s networking options for server platforms.

717491-B21 - HPE 717491-B21 10Gb 2-port 570FLR-SFP+ network adapter

Name: HPE 717491-B21 10Gb 2-port 570FLR-SFP+ network adapter
Brand: HPE
SKU: 717491-B21
Price: 195 USD
Availability: InStock

717491-B21 - HPE 717491-B21 10Gb 2-port 570FLR-SFP+ network adapter | US IT Hardware

Product overview

The HPE Ethernet 10Gb 2-port 570FLR-SFP+ Adapter 717491-B21 is an enterprise network adapter designed for environments that require 10Gb Ethernet connectivity. It provides two Ethernet ports, supporting 10Gb operation to help data center and server administrators address growing network and application demands. As part of the FlexibleLOM family, this adapter is suitable for HPE ProLiant platforms that support this form factor and 10Gb connectivity. Positioned in the enterprise segment, it is designed for robust networking tasks where a dual-port 10Gb adapter is required for throughput, segregation of traffic, or redundancy planning. The adapter belongs to the PCI Express 2.0 x8 10Gb Ethernet SFP+ category, aligning with modern server expansion architectures. By combining dual 10Gb ports and an enterprise-focused design, the HPE Ethernet 10Gb 2-port 570FLR-SFP+ Adapter 717491-B21 supports scalable network infrastructure planning in professional IT environments.

10Gb Ethernet connectivity for higher throughput
Dual-port design with two Ethernet interfaces
Enterprise-level network adapter classification
Designed for HPE Ethernet 10Gb 2-port 570FLR-SFP+ use
Suitable for PCI Express based server expansion
Fits 10Gb SFP+ enterprise networking strategies

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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 #	717491-B21
Brand	HPE
Condition	Refurbished
Model	Ethernet 10Gb 2-port 570FLR-SFP+ Adapter
Series	FlexFabric Adapters
Bus Type	PCI Express 2.0 x8
Part Class	Enterprise server network adapter
Technology	10 Gigabit Ethernet; iSCSI; Fibre Channel over Ethernet
Form Factor	FlexibleLOM; plug-in card
Adapter Type	FlexFabric 10Gb 2-port SFP+ FlexibleLOM
Product Line	HPE 570SFP+ Ethernet Adapters

Best for

Enterprise servers
Suitable for enterprise servers that require a dual-port 10Gb Ethernet adapter, using the HPE Ethernet 10Gb 2-port 570FLR-SFP+ Adapter 717491-B21 as part of a robust network design.
Data centers
A fit for data center environments where 10Gb Ethernet connectivity and dual-port configurations are needed for higher bandwidth and flexible network layouts.
Dual-port 10Gb deployments
Ideal for deployments that specifically require two 10Gb Ethernet ports on a single adapter to separate traffic flows or plan for link-level redundancy.
HPE ProLiant platforms
Intended for use in compatible HPE ProLiant systems that support FlexibleLOM 10Gb Ethernet adapters in enterprise configurations.
Enterprise network upgrades
Useful for upgrading existing enterprise infrastructure to 10Gb Ethernet using a dual-port 570FLR-SFP+ adapter within PCI Express 2.0 x8 capable systems.

Frequently asked questions

What is the network speed supported by the HPE 717491-B21 adapter?

Details

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Product Type	Network adapter

Supported Operating Systems	Microsoft Windows Server; Red Hat Enterprise Linux; SUSE Linux Enterprise Server; VMware

Data Transfer Rate	10 Gb/s per port
Aggregate Bandwidth	20 Gb/s bi-directional
Adapter Throughput Class	10GbE dual-port

Networking Ports & Interfaces

Ports	2 x 10Gb Ethernet SFP+
Connector Type	SFP+
Host Interface	PCIe 2.0 x8
Network Interface	2 x 10Gb Ethernet SFP+
Interface Bus Type	PCI Express 2.0 x8
Ethernet Technology	10 Gigabit Ethernet
Network Protocols Supported	Ethernet; iSCSI; FCoE

HPE 717491-B21 10Gb 2-port 570FLR-SFP+ network adapter