Name: P05891-B21 HPE G3 2-Port 40GbE QSFP+ NIC PCIe 3.0 for Gen3 Servers
Brand: HPE
SKU: P05891-B21
Price: 733.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The HPE P05891-B21 G3 2-Port 40GbE QSFP+ Network Interface Card offers dual high-speed 40GbE connections suited for enterprise-level servers. It fits into PCIe 3.0 slots and supports various networking protocols, making it a reliable choice for data centers and virtualization platforms where robust network performance is critical.

General Information
Brand	HPE
Part Number	P05891-B21

Technical Information
Virtualization Support	SR-IOV, VMDq, VXLAN, Geneve, NetQueue, vNIC
Data Rate (Speed)	40GbE
Data Center Bridging	Yes
Storage Over Ethernet	iSCSI, NFS, SMB Direct
Interface (Bus)	PCIe 3.0 x8
Number of Ports	2-Port (Dual)
OS Compatibility	Windows Server 2022, VMware ESXi 8.0, RHEL, VMware ESXi
Network Management	SNMP, RMON, NC-SI, IPMI
Offload Support	RDMA, RoCE v2, iSCSI, PXE Boot, Wake-on-LAN (WoL), iWARP, TCP Stateless Offload, Jumbo Frames
Bracket Height	Both Brackets Included

Connectivity & Physical
Form Factor	Standard PCIe Card
Port Type	QSFP+
Cabling Type	AOC
Weight	5.00
Condition	Refurbished

Miscellaneous
Assembly Required	Yes
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, cURus, CE, FCC, CCC, UL, TUV, cULus, CSA, cUL

Product Description
This HPE P05891-B21 G3 Network Interface Card is built for delivering reliable and high-bandwidth network connections. It’s commonly used in data centers and enterprise servers where fast data throughput is essential. Often found in environments needing robust networking like virtualization, cloud computing, and storage networking, this adapter benefits IT professionals managing server infrastructure. Key Features Offers two 40GbE QSFP+ ports for efficient data handling Works seamlessly within HPE Gen3 server environments PCIe 3.0 support provides low latency and high throughput Compatible with multiple networking protocols including Ethernet and FCoE Optimized for demanding data center workloads This NIC is typically deployed in enterprise data centers and large-scale server setups. It handles intensive network traffic without bottlenecks, helping maintain smooth operations in critical IT infrastructures.

Use Cases
The HPE P05891-B21 G3 2-Port 40GbE QSFP+ Network Interface Card is designed for high-throughput and low-latency networking environments. It is ideal for data center operators and enterprise IT professionals who require reliable connectivity for virtualization, storage, and large-scale server deployments. How It's Used: Enabling high-bandwidth connectivity in virtualized server clusters to support dense workloads and reduce network bottlenecks. Facilitating fast data transfer in storage area networks (SAN) that utilize Fibre Channel over Ethernet for unified storage access. Supporting large-scale rack deployments in data centers where 40GbE networking is essential for handling heavy east-west traffic. Providing resilient, high-speed links for enterprise IT environments running cloud-native applications requiring low latency. Accelerating edge computing nodes by delivering robust network throughput to process real-time data streams. This NIC enhances operational efficiency by delivering consistent 40GbE performance for demanding workloads. Its compatibility with PCIe Gen3 and support for multiple protocols ensures scalable network infrastructure capable of meeting evolving enterprise and data center needs.

P05891-B21 HPE G3 2-Port 40GbE QSFP+ NIC PCIe 3.0 for Gen3 Servers

Product Overview

General Information

Technical Information

Connectivity & Physical

Miscellaneous

Product Description

Use Cases