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Home Networking Servers & Storage HPE Ethernet 1Gb 2-Port 332T Adapter | 615732-B21

HPE Ethernet 1Gb 2-Port 332T Adapter | 615732-B21

HPE Ethernet 1Gb 2-Port 332T Adapter | 615732-B21

Brand:

HPE

HPE 615732-B21 is the HPE Ethernet 1Gb 2-port 332T Adapter, built around the Broadcom BCM5720 controller for server connectivity over 10/100/1000BASE-T Ethernet. It provides two RJ-45 ports and supports PCI Express 2.0, making it a practical OEM networking option for compatible HPE ProLiant server deployments, network segmentation, redundancy, and additional Ethernet connectivity. HPE documentation lists it within its 1Gb Ethernet adapter family.

OVERVIEW

HPE 615732-B21 is a dual-port 1Gb Ethernet 332T server adapter using the Broadcom BCM5720 controller and two RJ-45 ports for 10/100/1000BASE-T connectivity. Compatibility: intended for compatible HPE ProLiant servers. Model comparison: unlike 4-port 331T adapters, this model provides two Ethernet ports.

USE CASES

Additional server Ethernet connectivity - Two independent 1Gb RJ-45 ports provide additional physical network interfaces without replacing the server's existing networking hardware.
Network segmentation - Separate physical interfaces can be assigned to different network segments, helping administrators isolate management, application, backup, or other traffic according to the server design.
Network redundancy - The two-port design supports configurations where separate interfaces are used for resilient connectivity, subject to the operating system and network architecture.
Virtualized server environments - VLAN tagging, teaming and virtualization-oriented features help integrate the adapter into supported virtualized networking architectures.
Legacy HPE ProLiant infrastructure expansion - The adapter is particularly relevant when maintaining compatible ProLiant generations where 1Gb BASE-T remains appropriate.
Gigabit copper network deployments - RJ-45 BASE-T connectivity allows connection to standard compatible copper Ethernet switching infrastructure.
Server replacement and lifecycle projects - The exact HPE SKU simplifies BOM matching when an existing 332T adapter needs replacement.
Data-center rack server networking - A stand-up server NIC provides an expansion path for compatible HPE rack and tower server configurations.

KEY FEATURES

2 × 1Gb Ethernet ports - Provides two independent Gigabit Ethernet interfaces for expanding server connectivity and supporting multi-interface network designs.
Broadcom BCM5720 controller - Uses a recognized server Ethernet controller platform, giving IT teams an exact controller reference for hardware and driver planning.
10/100/1000BASE-T connectivity - Supports Gigabit Ethernet while retaining 10/100Mbps compatibility for applicable legacy network environments. Dual RJ-45 ports - Uses familiar copper Ethernet connections, simplifying deployment with compatible existing structured cabling and switches.
PCI Express interface - Integrates directly into a compatible server PCIe expansion architecture, providing a dedicated path for network connectivity.
PCIe 2.0 - Uses the PCI Express 2.0 generation specified for the 332T, helping buyers validate platform compatibility before procurement.
IEEE 802.1Q VLAN support - Enables VLAN tagging for network segmentation and more structured traffic administration.
IEEE 802.3ad support - Supports link aggregation/teaming capabilities where the operating system, switch and network configuration also support them.
Jumbo-frame and TCP segmentation/large-send offload support - Can reduce host-side networking overhead in supported configurations and workloads.
PXE Boot support - Enables network-based boot workflows on supported platforms, useful for automated server provisioning and deployment.

TECHNICAL SPECIFICATIONS

Brand: HPE
Part Number / SKU: 615732-B21
Model: HPE Ethernet 1Gb 2-port 332T Adapter
Product Type: Server Ethernet network adapter
Controller: Broadcom NetXtreme BCM5720
Port Count: 2
Port Type: RJ-45
Network Speed: 10/100/1000 Mbps
Network Standard: 10/100/1000BASE-T
Maximum Speed: 1Gbps per port
Bus Interface: PCI Express 2.0
PCIe Interface: PCIe x1
Adapter Type: Stand-up PCIe network adapter
Connectivity: Copper Ethernet
VLAN Support: IEEE 802.1Q
Link Aggregation: IEEE 802.3ad
Jumbo Frames: Supported
PXE Boot: Supported
TCP Segmentation Offload: Supported
Large Send Offload: Supported
IPv4/IPv6 Offload: Supported
Virtualization Features: VMware NetQueue and Microsoft VMQ support
Energy Efficient Ethernet: IEEE 802.3az
Compatibility: Compatible HPE ProLiant servers
Application: Server networking, network segmentation, teaming, virtualization and additional 1GbE connectivity
Product Family: HPE 1Gb Ethernet server adapters
Related Model: HPE 647594-B21 / 331T - 4-port 1Gb Ethernet adapter

Why Choose This Product?

Exact HPE OEM SKU - 615732-B21 makes replacement purchasing, asset records, and BOM matching straightforward.
Two Gigabit interfaces - Adds two physical Ethernet connections without requiring a four-port adapter when only two ports are needed.
Broadcom BCM5720 controller - Provides a clearly identified controller platform for compatibility and driver planning.
Copper RJ-45 connectivity - Fits conventional 10/100/1000BASE-T Ethernet environments without requiring SFP/SFP+ transceivers.
Server-focused design - HPE positions the 332T within its Ethernet adapter portfolio for ProLiant server environments.
Virtualization-ready networking features - VLAN, teaming, VMQ and VMware NetQueue support can help integrate the adapter into appropriately configured virtualized environments.
Deployment flexibility - Support for 10/100/1000BASE-T allows use in both Gigabit and compatible legacy Fast Ethernet environments.
Cost-conscious port expansion - A two-port adapter avoids paying for four physical interfaces when the deployment specifically requires two.

CUSTOMER REVIEW

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