HPE 874252-B21 1 Port Network Adapter Networking
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874252-B21 HPE Ethernet 100 GB 1-Port 842QSFP28 Adapter Refurbished

Availability: In Stock
Part Number#: 874252-B21
List Price was: $1550.00
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$403.00
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Refurbished

Short Description:
874252-B21 HPE Ethernet 100 GB 1-Port 842QSFP28 Adapter | Refurbished
Brand:
HPE
Product Condition:
Refurbished
Warranty provided by ALLHDD.COM:
90 Days

Advanced Offload Capabilities

Advanced offload capabilities refer to a set of features and technologies that allow the HPE Ethernet 100 GB 1-Port 842QSFP28 Adapter to offload specific network processing tasks from the CPU to the adapter hardware, improving network performance and reducing CPU utilization.

Some of the advanced offload capabilities of the HPE Ethernet 100 GB 1-Port 842QSFP28 Adapter include:

  • TCP/IP Offload Engine (TOE): This feature offloads the processing of TCP/IP traffic from the CPU to the adapter hardware, improving network throughput and reducing CPU utilization.
  • Remote Direct Memory Access (RDMA): RDMA allows data to be transferred directly between memory locations on different servers without involving the CPU, improving network performance and reducing latency.
  • Virtual Machine Device Queues (VMDq): VMDq allows multiple virtual machines to share a single Ethernet adapter by assigning each virtual machine its own dedicated queue for incoming and outgoing network traffic.
  • Large Receive Offload (LRO): LRO allows the adapter to combine multiple small network packets into a single larger packet, reducing CPU utilization and improving network performance.
  • Large Send Offload (LSO): LSO allows the adapter to segment large network packets into smaller, more manageable packets, reducing CPU utilization and improving network performance.
  • Checksum Offload: Checksum offload allows the adapter to calculate and verify network checksums, reducing CPU utilization and improving network performance.

Network Virtualization

Network virtualization is the process of abstracting the physical network resources, such as switches, routers, and servers, into a logical virtual network that can run independently of the underlying physical infrastructure. This allows multiple virtual networks to operate on the same physical network infrastructure, providing greater flexibility, scalability, and efficiency in managing and deploying network services.

In network virtualization, the physical network is partitioned into multiple virtual networks, each with its own unique set of characteristics and services. These virtual networks can be customized to meet the specific needs of different applications, users, and departments, and can be dynamically provisioned and scaled as needed.

One of the key benefits of network virtualization is that it allows multiple virtual networks to coexist on the same physical network infrastructure without interfering with each other. This allows organizations to separate different types of traffic, such as voice, video, and data, into separate virtual networks, ensuring that each traffic type receives the necessary quality of service (QoS) and security.

Another benefit of network virtualization is that it enables the creation of virtual network overlays, which can be used to connect geographically dispersed data centers or to extend the reach of the network to remote or mobile users. Virtual overlays are created by encapsulating the virtual network traffic within a virtual tunnel that is transported over the physical network infrastructure.

Deployment Scenarios

Deployment scenarios refer to the various ways in which a particular technology or solution can be implemented and integrated into an existing environment. In the case of the 874252-B21 HPE Ethernet 100 GB 1-Port 842QSFP28 Adapter, there are several deployment scenarios that may be applicable depending on the specific needs of the organization.

  • Single Server Deployment: In this scenario, the Ethernet adapter is installed on a single server, providing high-speed network connectivity for that server. This is typically the simplest and most straightforward deployment scenario.
  • Clustered Server Deployment: In a clustered server deployment scenario, multiple servers are connected to the same Ethernet adapter, providing high-speed network connectivity and load balancing between the servers. This scenario is often used in high-performance computing (HPC) environments.
  • Virtualization Deployment: In a virtualization deployment scenario, the Ethernet adapter is used to provide high-speed network connectivity to virtual machines running on a hypervisor such as VMware or Hyper-V. This allows multiple virtual machines to share the same physical network interface, providing improved network performance and flexibility.
  • Network Segmentation Deployment: In this scenario, the Ethernet adapter is used to segment the network into separate virtual networks, each with its own unique characteristics and services. This allows organizations to separate different types of traffic, such as voice, video, and data, into separate virtual networks, ensuring that each traffic type receives the necessary quality of service (QoS) and security.
  • Data Center Interconnect Deployment: In a data center interconnect deployment scenario, the Ethernet adapter is used to connect multiple data centers, providing high-speed connectivity and failover capabilities between the data centers. This is often used in disaster recovery and business continuity scenarios.
  • Cloud Deployment: In a cloud deployment scenario, the Ethernet adapter is used to provide high-speed network connectivity to virtual machines running in a cloud environment, such as Amazon Web Services or Microsoft Azure. This allows organizations to leverage the scalability and flexibility of the cloud while also maintaining high network performance and security.

General Information

  • Manufacturer: HPE
  • Manufacturer Part Number: 874252-B21
  • Type: Networking
  • Device Type : Network Adapter
  • Form Factor : Plug-in Card
  • Interface (BUS) Type : Pci Express 3.0 X16

Networking

  • Ports : 100 Gigabit Qsfp28 X 1
  • Connectivity Technology : Wired
  • Data Link Protocol : 100 Gigabit Ethernet
  • Data Transfer Rate : 100 GBPS
  • Compliant Standards : Ieee 802.1q, Ieee 802.1p, Ieee 802.3ad (lacp), Ieee 802.1as, Ieee 802.1qbb, Ieee 802.1qaz, Ieee 802.3by, Ieee 802.3-2012

Processor / Memory

  • Processor : 1 X Mellanox Connectx-5

Expansions And Connectivity

  • Interfaces : 1 X 100gb Ethernet - Qsfp28
Brand:
HPE
Product Condition:
Refurbished
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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Warranty

ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Delivery

Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday


FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states


Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days


Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
  • We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
  • If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
  • You can estimate the shipping cost from the products detail page, also available on the checkout page
  • The shipping cost depends on box dimensions, weight, and zip/postal code
  • To get a FedEx® delivery service you need to mention it on the checkout page notebox.
  • For urgent shipments, please contact our customer service.
  • Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.