How many ports are listed for this adapter?

The product category states 2-port, 10GbE, PCI Express 3.0 x4. Based on the provided data, the adapter is documented as a 2-port network adapter. No further port details are included in the source specifications.

What network speed category is documented?

The documented category is 10GbE. That means the product is cataloged as a 2-port, 10GbE Ethernet network adapter. The source data does not provide any additional performance numbers beyond this category classification.

What expansion interface is specified?

The adapter is listed in the PCI Express 3.0 x4 category. This is the only expansion interface detail provided in the source data. No other slot, lane, or compatibility details are included.

Is this product positioned for enterprise use?

Yes. The product level is listed as Enterprise. The provided data also identifies it as an HPE Ethernet network adapter and places it in the 2-port, 10GbE, PCI Express 3.0 x4 category, which supports enterprise cataloging.

817737-B21 - HPE 817737-B21 2-port 10GbE PCIe 3.0 x4 Adapter

Name: HPE 817737-B21 2-port 10GbE PCIe 3.0 x4 Adapter
Brand: HPE
SKU: 817737-B21
Price: 125 USD
Availability: InStock

817737-B21 - HPE 817737-B21 2-port 10GbE PCIe 3.0 x4 Adapter | US IT Hardware

Product overview

The HPE 562T Ethernet Network Adapter is an enterprise network adapter identified by SKU 817737-B21. It belongs to the 2-port, 10GbE, PCI Express 3.0 x4 category. The provided product data identifies it as an Ethernet network adapter from HPE, with the model name HPE 562T Ethernet Network Adapter. No additional interface details, port breakdown, or performance figures are provided in the source data, so descriptions should remain limited to the documented product type and classification. For procurement, the most reliable specifications are the HPE brand, the 562T model designation, the 2-port 10GbE category, and the PCI Express 3.0 x4 interface classification. This makes the item suitable for cataloging as an enterprise Ethernet adapter where exact documented attributes matter more than inferred capabilities.

HPE brand and 562T model
SKU 817737-B21 documented
2-port 10GbE category
PCI Express 3.0 x4 interface class
Enterprise product level
Ethernet network adapter

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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

Boot Protocols
Manufacturer part #	817737-B21
Brand	HPE
Condition	New
Model	562T
Bus Type	PCI Express 3.0 x4
Form Factor	Plug-in card
PXE Support	PXE 2.0 remote boot support
Adapter Type	Standup PCIe adapter
Product Line	HPE 562T
Product Type	Ethernet Network Adapter
Adapter Family	HPE Ethernet 10Gb 2-port 562 Adapters family

Compatible systems

Confirmed as an HPE 562T dual-port 10GbE Ethernet adapter with PCIe 3.0 x4 interface.

Best for

Server networking
Use where a documented Ethernet network adapter is required in a 2-port, 10GbE, PCI Express 3.0 x4 category. The provided data supports cataloging it for server connectivity based on the product classification only.
Enterprise IT
Suitable for enterprise inventory records that need a clearly identified HPE adapter model and SKU. The source data confirms the HPE 562T Ethernet Network Adapter designation and enterprise product level.
Procurement
Useful for buyers standardizing part records around the SKU 817737-B21 and the 2-port, 10GbE, PCI Express 3.0 x4 category. The documented specifications support accurate matching during sourcing and asset management.

Frequently asked questions

What is the exact product name for SKU 817737-B21?

Details

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Connectivity Type	Wired

Compatible Cabling	Category 6A or better twisted-pair cable up to 100 meters for 10GBASE-T

Maximum Frame Size	Jumbo Frames up to 9 KB

Supported Features	Jumbo Frames, VLAN tagging, link aggregation (teaming), checksum offload

Offload Technologies	TCP/IP Offload Engine (TOE), Large Send Offload, Large Receive Offload

Server Compatibility	Designed for HPE ProLiant Gen9 and Gen10 servers (various DL and ML series)

Bus Slot Compatibility	PCIe 3.0 low-profile or full-height slot depending on bracket

Virtualization Features	SR-IOV (Single Root I/O Virtualization) support

Auto-Negotiation Support	Auto-negotiation for 100 Mb, 1 Gb, and 10 Gb link speeds

Link Aggregation Support	NIC teaming and IEEE 802.3ad link aggregation (through OS teaming/bonding)

Performance

Throughput Optimization	Supports Receive-Side Scaling (RSS) and Network Direct support for low-latency traffic
Host Interface Bandwidth	8 Gb/s per direction (PCIe 3.0 x4 theoretical)
Maximum Data Transfer Rate	10 Gbps
Latency Optimization Features	Interrupt coalescing and offload engines to reduce CPU utilization and latency
Theoretical Bidirectional Bandwidth	40 Gb/s bi-directional (aggregate for two 10Gb ports)

Power Supply Type	Powered from host server PCIe slot
Typical Power Consumption	Approximately 7 W typical
Operational Power Consumption	11.15 W

Networking Ports & Interfaces

Ports	2 x 10Gb Ethernet
Interface	PCI Express 3.0 x4
Port Type	2 x 10GBASE-T RJ-45 copper ports
RJ45 Ports	2
Connector Type	RJ-45 for twisted pair copper
Ethernet Speed	10 GbE
LED Indicators	Per-port link and activity LEDs on the bracket
Network Processor	Intel X550-AT2
Data Link Protocol	10 Gigabit Ethernet
IEEE LAN Standards	IEEE 802.3an 10GBASE-T, IEEE 802.3ab 1000BASE-T, IEEE 802.3u 100BASE-TX
Network Technology	10GBASE-T over twisted-pair copper
Management Features	iLO network teaming support and Wake-on-LAN
Network Ports Count	2 network ports (dual-port)
Supported Network Protocols	IPv4, IPv6, TCP, UDP, iSCSI over TCP/IP, VLAN (802.1Q)
Remote Management Integration	Supports teaming with HPE iLO management port for shared network connectivity
Per-Port Bidirectional Data Rate	20 Gb/s bi-directional per 10GbE port

HPE 817737-B21 2-port 10GbE PCIe 3.0 x4 Adapter