How many Ethernet ports does the HPE Ethernet 1Gb 4-port 366FLR Adapter provide?

This adapter provides four Ethernet ports, as indicated by its designation as a 1Gb 4-port FlexibleLOM network adapter. All four ports are available on a single card, enabling multiple network connections from one physical adapter in a server.

What is the speed rating of the HPE Ethernet 366FLR adapter ports?

The adapter is described as an Ethernet 1Gb 4-port 366FLR Adapter, meaning each of its ports is designed for 1Gb Ethernet operation. This aligns it with common Gigabit Ethernet switching and cabling found in many enterprise networks.

What form factor does the HPE 665240-B21 adapter use?

The adapter is specified as a 1Gb 4-port FlexibleLOM network adapter. This indicates it is intended for server platforms that accept FlexibleLOM network adapters, rather than traditional stand-alone PCIe add-in cards, and is integrated accordingly in those systems.

How can I accurately reference this adapter for procurement?

For ordering and inventory purposes, you can reference both the product name and SKU. The adapter is the HPE Ethernet 1Gb 4-port 366FLR Adapter and its SKU is 665240-B21. Using this exact SKU helps avoid confusion with other HPE network adapters.

665240-B21 - HPE 665240-B21 1Gb 4-port FlexibleLOM adapter

Name: HPE 665240-B21 1Gb 4-port FlexibleLOM adapter
Brand: HPE
SKU: 665240-B21
Price: 185 USD
Availability: InStock

665240-B21 - HPE 665240-B21 1Gb 4-port FlexibleLOM adapter | US IT Hardware

Product overview

The HPE Ethernet 1Gb 4-port 366FLR Adapter, SKU 665240-B21, is a 1Gb, 4-port FlexibleLOM network adapter designed for Ethernet connectivity in server environments. As a member of HPE’s Ethernet 1Gb 4-port family, it provides four network ports to support multiple Ethernet connections from a single adapter. The FlexibleLOM form factor helps enable integration with compatible HPE servers that support this type of network adapter, simplifying standardization across platforms. Classified as a PCI Express Ethernet Adapter, this solution is suited to environments that require Gigabit Ethernet networking within existing PCIe-based server infrastructures. With its 1Gb speed and four-port configuration, it supports typical enterprise networking tasks such as separating management, production, and backup traffic within the data center. The adapter aligns with organizations standardizing on HPE networking hardware, helping procurement teams streamline network interface selection for consistent deployment.

Four 1Gb Ethernet ports on a single adapter
1Gb 4-port FlexibleLOM network adapter design
HPE Ethernet 1Gb 4-port 366FLR model
SKU 665240-B21 for precise identification
Part of PCI Express Ethernet adapter category
Optimized for multiport server connectivity

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 #	665240-B21
Brand	HPE
Condition	Refurbished
Model	HPE Ethernet 1Gb 4-port 366FLR Adapter
Data Rate	Four 1GbE ports; 8 Gb/s aggregate bi-directional theoretical bandwidth
Part Class	Option part
Form Factor	FlexibleLOM (FLR)
Cabling Type	Ethernet 10Base-T; Ethernet 100Base-TX; Ethernet 1000Base-T
Product Line	HPE Ethernet Adapters
Product Type	Network adapter
Offload Features	Large Send Offload (LSO)

Best for

Virtualized servers
Suited to virtualized server environments that require multiple 1Gb Ethernet connections from a single adapter, using its four ports to segment traffic types.
Multiport LAN connectivity
Useful where four 1Gb Ethernet ports on one adapter simplify physical LAN segmentation for management, production, or backup traffic.
HPE FlexibleLOM server builds
Appropriate for HPE server configurations that support 1Gb 4-port FlexibleLOM network adapters for standardized Ethernet connectivity.

Frequently asked questions

What type of network adapter is the HPE 665240-B21?

The HPE 665240-B21 is the HPE Ethernet 1Gb 4-port 366FLR Adapter, categorized as a 1Gb 4-port FlexibleLOM network adapter and part of the PCI Express Ethernet Adapter family. It is designed to provide Ethernet connectivity through multiple 1Gb ports in server environments that support this type of adapter.

Details

Shipping, warranty & returns

Customer reviews

No reviews yet — be the first to review this part.

Ports	4 x RJ-45 Gigabit Ethernet ports
Port Count	4 ports
Interface (Bus) Type	PCI Express 2.1 x4
Interface (Host Connection)	FlexibleLOM on compatible HPE ProLiant servers

HPE 665240-B21 1Gb 4-port FlexibleLOM adapter