What type of network connectivity does the HPE 788995-B21 adapter provide?

The HPE 788995-B21 is specified as an Ethernet 10Gb 2-port 557SFP+ Adapter in the product data. It provides 10 Gigabit Ethernet connectivity over SFP+ interfaces, with two ports available on a single adapter. This makes it suitable for environments standardizing on 10Gb Ethernet using SFP+ modules or compatible cabling.

How many network ports are available on the HPE Ethernet 10Gb 2-port 557SFP+ Adapter?

According to the provided product information, the adapter is a 2-port 10Gb Ethernet SFP+ adapter. This means it offers two separate 10Gb SFP+ ports on one card, allowing administrators to configure two network connections from a single PCIe slot in a supported server.

What bus interface is required for installing the HPE 788995-B21 adapter?

The adapter is categorized as a PCI Express 3.0 x8 10Gb Ethernet SFP+ Adapter. To install it, servers need a compatible PCIe 3.0 x8 expansion slot. This interface specification is important for verifying mechanical and electrical compatibility before deployment in HPE ProLiant Gen9 or other compatible servers.

Is the HPE 788995-B21 suitable for HPE ProLiant Gen9 servers?

: "The category listing describes this product as a dual-port 10GbE SFP+ adapter for HPE ProLiant Gen9 servers. That indicates it is intended for use with ProLiant Gen9 platforms, which helps IT teams align network interface selection with the server generation currently deployed in their data centers.

What form factor is the HPE 788995-B21 network adapter?

The product is identified as a PCI Express 3.0 x8 10Gb Ethernet SFP+ Adapter and described as a network adapter, which indicates a plug-in card form factor for PCIe slots. This allows it to be added as an expansion card in compatible servers that support PCIe 3.0 x8 adapters.

788995-B21 - HPE 788995-B21 10Gb 2-port 557SFP+ network adapter

Name: HPE 788995-B21 10Gb 2-port 557SFP+ network adapter
Brand: HPE
SKU: 788995-B21
Price: 140 USD
Availability: InStock

788995-B21 - HPE 788995-B21 10Gb 2-port 557SFP+ network adapter | US IT Hardware

Product overview

The HPE Ethernet 10Gb 2-port 557SFP+ Adapter 788995-B21 is a plug-in network card designed for environments that require 10 Gigabit Ethernet connectivity over SFP+ interfaces. It provides two 10Gb SFP+ ports, enabling wired connections for applications that benefit from high bandwidth. The adapter uses a PCI Express 3.0 x8 bus interface, aligning with modern server architectures that support PCIe 3.0 expansion. As a 10 Gigabit Ethernet network adapter, it is suitable for deployments standardizing on SFP+ optics or direct attach copper cabling where compatible. Its dual-port configuration allows separate network segments or redundant links, depending on how it is deployed and configured in supported systems. This adapter fits into PCIe 3.0 x8 slots, giving IT teams a straightforward option when specifying network interface cards for servers that need dual 10Gb connectivity in a compact plug-in form factor using SFP+.

Dual-port 10Gb Ethernet SFP+ adapter
PCI Express 3.0 x8 plug-in network card
Optimized for HPE ProLiant Gen9 servers
HPE branded Ethernet 10Gb adapter
Supports two 10Gb SFP+ connections
Suitable for 10Gb Ethernet deployments

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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 #	788995-B21
Brand	HPE
Condition	New
Model	HPE Ethernet 10Gb 2-port 557SFP+ Adapter
Bus Type	PCI Express 3.0 x8
Form Factor	Standup, low profile; full-height and half-height brackets included
PXE Support	Yes
Product Line	HPE Ethernet 10Gb 2-port 557SFP+ Adapter
Product Type	Network adapter
Onboard Memory	128 MB
Adapter Controller	Emulex XE-100 series Ethernet Controller

Compatible systems

Confirmed compatible with selected HPE ProLiant Gen9 DL rack servers per 788995-B21 listings.

HPE ProLiant DL Series
Model: DL20 Gen9
Form factor: Rack
Generation: Gen9
Listed in Designed For section for 788995-B21 network card
HPE ProLiant DL Series
Model: DL560 Gen9
Form factor: Rack
Generation: Gen9
Listed in Designed For section for 788995-B21 network card

Best for

Dual 10Gb server connectivity
Use in servers that require two separate 10 Gigabit Ethernet connections, leveraging the dual 10Gb SFP+ ports for segmented or redundant networking.
SFP+ based network environments
Suitable for infrastructures standardized on SFP+ connectivity, as the adapter offers two 10Gb SFP+ interfaces for fiber or compatible copper modules.
PCIe 3.0 x8 expansion slots
Applicable in servers that provide PCI Express 3.0 x8 slots, matching the adapter’s bus interface for straightforward installation.
10 Gigabit Ethernet deployments
Useful in environments adopting 10 Gigabit Ethernet for increased bandwidth, since the adapter is specified as an Ethernet 10Gb network adapter.

Details

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Data Transfer Rate	10 Gbps
Theoretical Bandwidth Per Port	20 Gb/s bi-directional per port
Aggregate Theoretical Bandwidth	40 Gb/s bi-directional per adapter

Ports	10 Gigabit SFP+ x 2
Interface Type	2 x 10Gb Ethernet - SFP+
Port Data Rate	10 Gb/s per port
Data Link Protocol	10 Gigabit Ethernet
Network Technology	10 Gigabit Ethernet

HPE 788995-B21 10Gb 2-port 557SFP+ network adapter