How many ports does this adapter provide?

The adapter has 2 ports, specified as 10 Gigabit SFP+ x 2. It is a dual-port network adapter for wired 10 Gigabit Ethernet connectivity. This port count is important for planning network connections and determining how many links a single card can support.

What is the bus interface for this adapter?

The listed bus interface is PCI Express 3.0 x8. That specification identifies the expansion interface used by the adapter and helps confirm compatibility with a system that provides an x8 PCIe 3.0 slot. No other bus interface details were provided.

What network speed does it support?

The provided specifications list a data transfer rate of 10 Gbps and describe the product as supporting 10 Gigabit Ethernet. These details indicate that the adapter is intended for 10 Gb networking deployments. No higher or lower speeds are stated in the source data.

What form factor does this product use?

The adapter is listed as a plug-in card. That form factor is relevant for installation planning because it indicates a card designed to be inserted into a compatible expansion slot. The provided data does not include additional mechanical dimensions.

Is this adapter wired or wireless?

The product is specified as using wired connectivity technology. It is also described as a 10 Gigabit Ethernet adapter with SFP+ ports. No wireless features are listed in the provided specifications.

P21933-B21 - HPE P21933-B21 10Gb 2-port SFP+ Adapter

Name: HPE P21933-B21 10Gb 2-port SFP+ Adapter
Brand: HPE
SKU: P21933-B21
Price: 185 USD
Availability: InStock

P21933-B21 - HPE P21933-B21 10Gb 2-port SFP+ Adapter | US IT Hardware

Product overview

The HPE P21933-B21 is the Marvell QL41132HLCU Ethernet 10Gb 2-port SFP+ Adapter for HPE. It is a network adapter in plug-in card form factor with a PCI Express 3.0 x8 bus interface. The adapter provides two 10 Gigabit SFP+ ports and supports 10 Gigabit Ethernet over wired connectivity. Its data transfer rate is listed at 10 Gbps, making it suitable for environments that require dual-port 10 Gb networking on a PCIe 3.0 x8 expansion slot. The product belongs to the Network Adapters category and is identified by SKU P21933-B21. No additional specifications were provided for power consumption or other features, so only the listed networking and interface details are included here.

Dual 10Gb SFP+ ports
PCI Express 3.0 x8 interface
10 Gbps data transfer rate
Wired 10 Gigabit Ethernet
Plug-in card form factor
HPE branded network adapter

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 #	P21933-B21
Brand	HPE
Condition	New
Model	Marvell QL41132HLCU Ethernet 10Gb 2-port SFP+ Adapter for HPE
Lifetime	3 Years Warranty
Interfaces	2 x 10Gb Ethernet, SFP+
Form Factor	Plug-in card
Product Line	HPE Gen10 Plus Ethernet Adapters
Product Type	Network adapter
Chipset/Board Type	QL41102A-A2G
Connectivity Technology	Wired

Compatible systems

Confirmed as an HPE Gen10 Plus 10Gb dual-port SFP+ network adapter.

HPE Gen10 Plus Ethernet Adapters
Model: Marvell QL41132HLCU Ethernet 10Gb 2-port SFP+ Adapter for HPE
Form factor: Plug-in card
Generation: Gen10 Plus
Listed on HPE standard models page for P21933-B21.

Best for

Server networking
For systems needing a network adapter with a PCI Express 3.0 x8 bus interface and plug-in card form factor. The adapter provides two 10 Gigabit SFP+ ports for wired connectivity.
Dual-port uplinks
For setups that need two 10 Gigabit Ethernet interfaces on a single adapter. The listed ports are 2 x 10Gb Ethernet SFP+.
10Gb Ethernet
For environments requiring 10 Gigabit Ethernet service with a listed data transfer rate of 10 Gbps. The product is identified as an Ethernet 10Gb adapter.

Frequently asked questions

Details

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Data Transfer Rate	10 Gbps
Media Type Supported	Optical Fiber

Networking Ports & Interfaces

Ports	2 x 10 Gigabit SFP+
Port Type	SFP+
PCIe Lanes	x8
Port Count	2
PCIe Version	3.0
Bus Interface	PCI Express 3.0 x8
Ethernet Speed	10 Gbps
Network Interface	2 x SFP+
Data Link Protocol	10 Gigabit Ethernet
Interface (Bus) Type	PCI Express 3.0 x8
Management Protocols	Not specified in sourced pages

HPE P21933-B21 10Gb 2-port SFP+ Adapter