HPE P45641-H21 InfiniBand NDR 400Gb/s 1-Port OSFP PCIe5 x16 MCX75310AAS-NEAT Adapter

Mfr. Part #: P45641-H21
Brand: Hpe
Condition: New
-7%
  • Was: $1,930.00
    You Save: $135.10 7% OFF
    $1,794.90 In Stock - Ships Worldwide Order by 2:00 PM ET for Overnight Shipping
  • Warranty: 90-day return/replacement

    Click here to read our Return Policy for returns/replacements.

  • Authenticity: Original Genuine OEM

P45641-H21

Extra 5% Off at Checkout

  • Genuine Guarantee
  • Volume Pricing Available
Free ground shipping within the
United States

Government, Federal & Education Procurement

We support quotes, POs, stock docs, and compliance invoicing.

Email: support@buyrouterswitch.com
overview
specifications
faqs
reviews

P45641-H21 Overview

HPE P45641-H21 Infiniband Ndr 400gb/s 1-port Osfp Pcie5 X16 Mcx75310aas-neat Adapter. Product Features: Infiniband Ndr Adapter: Form Factor - Hhhl Bus Type - Pcie Gen 4.0/5.0 X16 Data Rate - 400gbps Network Processor - Mellanox Connectx-7 Pcie Gen 5.0 Compatible Support For Pcie X1, X2, X4, X8 And X16 Configurations Security Features – Secure Boot With Hardware Root Of Trust, Secure Firmware Update, Flash Encryption HPE Standard Warranty, Support, Service Remote Boot Features - Preboot Execution Environment (pxe), Uefi, Remote Boot Over Infiniband And Iscsi Hardware-based Reliable Transport Extended Reliable Connected Transport (xrc) Dynamically Connected Transport (dct) Enhanced Atomic Operations On Demand Paging (odp) - Registration Free Rdma Memory Access Enhanced Congestion Control 256 To 4kbyte Maximum Transmission Unit (mtu ), 2gbyte Messages Out-of-order Rdma Supporting Adaptive Routing

Need help with P45641-H21?

Get pricing, availability, lead time, and compatible options from our team. Chat with us live or email support@buyrouterswitch.com

Specifications

Overview

Condition New
Brand HPE
Stock In Stock

Infiniband Ndr Adapter

Infiniband Standards The HPE Ndr Infiniband Adapters Are Compliant To Ibta 1.5 Infiniband Standard
Congestion Control Hardware-based Congestion Control

Frequently Asked Questions

What primary server architectures are compatible with the HPE P45641-H21 NIC? +
The HPE P45641-H21 is designed for seamless integration with HPE ProLiant servers. It utilizes a PCIe interface, making it highly compatible with standard Gen10 and Gen10 Plus rack and tower server configurations. Before deployment, always verify your specific server chassis supports the card's physical slot height and power requirements to ensure optimal connectivity and stable performance.
How does the HPE P45641-H21 improve network throughput in data center environments? +
This network interface card is engineered to handle high-density traffic by offloading protocol processing from the server CPU. By reducing the overhead on the host processor, the P45641-H21 ensures consistent high-speed data transfers and lower latency for demanding enterprise applications, allowing your server infrastructure to maintain peak performance even under heavy network utilization.
Does the P45641-H21 support advanced virtualization features like SR-IOV? +
Yes, this card supports Single Root I/O Virtualization (SR-IOV), which is essential for modern virtualized environments. It allows multiple virtual machines to share a single physical PCIe device effectively. This feature reduces I/O bottlenecks and increases overall network efficiency, making it an excellent choice for businesses running complex hypervisor setups or containerized cloud workloads.
Can the P45641-H21 be utilized in high-availability network deployments? +
Absolutely. The P45641-H21 is fully compatible with NIC teaming and bonding protocols commonly used in enterprise failover scenarios. By configuring redundant links, you can ensure network continuity and protect your infrastructure against single-point-of-failure risks, maintaining uptime for critical services even if one path or port experiences an unexpected interruption.
What is the recommended management approach for this HPE network card? +
Management is typically handled through the HPE Integrated Lights-Out (iLO) interface or standard operating system driver suites. Because this card follows HPE’s rigorous firmware standards, administrators can monitor status, update drivers, and manage configurations directly through the existing server management stack, ensuring simplified operations and centralized control across your entire hardware fleet.
Is the P45641-H21 suitable for storage-heavy workloads like iSCSI or FCoE? +
The card is engineered to support efficient data transmission, making it a reliable choice for various storage-area network protocols. By providing a stable, high-bandwidth pipe to your storage arrays, it minimizes latency issues during data-heavy operations. Its optimized design helps maintain the integrity and speed required for both block-level storage traffic and standard server-to-server communications.
What factors should I consider before installing this NIC into an existing PCIe slot? +
When planning your deployment, confirm the available PCIe lane width and generation of your target slot to ensure the card can operate at its full specified bandwidth. Additionally, check your current power supply unit capacity to ensure it can handle the incremental load of the NIC, and verify that your OS environment has the latest HPE-certified drivers installed.
How does the HPE P45641-H21 handle heat and airflow requirements? +
Designed to operate within the thermal specifications of enterprise rack servers, the P45641-H21 features an efficient heatsink assembly. It is intended for use in chassis with standardized front-to-back cooling airflow. To maximize reliability, ensure that your server's cooling fans are configured to the correct operational profile, as proper airflow is vital for the longevity and consistent performance of high-bandwidth PCIe components.
How can I request a bulk quote for the P45641-H21 through BuyRouterSwitch.com? +
If you are planning a large-scale infrastructure refresh or a multi-site deployment, our sales team is ready to assist. You can easily request a tailored bulk quote by contacting our office directly via the inquiry forms on our website. We prioritize high-volume procurement requests to ensure you receive aggressive pricing and expedited processing for your entire hardware procurement project.
Why should I source my HPE networking hardware from BuyRouterSwitch.com? +
BuyRouterSwitch.com is a trusted provider of original enterprise networking equipment. By sourcing from us, you gain access to a reliable supply chain and a team of experts dedicated to ensuring you receive authentic hardware for your critical infrastructure. We focus on providing a secure, streamlined ordering process, helping businesses maintain high standards of network integrity and operational excellence.

Need Help Choosing the Right Part? Talk to an Expert

  • +1 (800) 870-9487
    Mon-Fri 8am-5pm EST
  • support@buyrouterswitch.com
    Technical support
People