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HPE Ethernet 10/25Gb 2-port SFP28 MCX4121A-ACUT Adapter

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Brand:
The general trademark of a manufacturer by which the consumer knows its products. A manufacturer can have multiple brand names. Some manufacturers license their brand names to other producers.
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Product name:
Product name is a brand's identification of a product, often a model name, but not totally unique as it can include some product variants. Product name is a key part of the Icecat product title on a product data-sheet.
Ethernet 10/25Gb 2-port SFP28 MCX4121A-ACUT Adapter
Product code:
The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product data-sheet if the specifications are identical. We map away wrong codes or sometimes logistic variants.
817753-B21 show
Show alternative article codes used in the online market place
GTIN (EAN/UPC):
Global Trade Identification Number (GTIN) includes European Article Number (EAN), Universal Product Code (UPC) and Japan Article Number (JAN). They are better known as the barcode on a product's packaging to uniquely identify a product in a shop or logistic process. One product data-sheet can have multiple barcodes depending on logistical or product variants based on packaging, country, sizes, colors, etc.
0889296614357 show
Category:
A NIC or Network Interface Card is a circuit board or chip which allows the computer to communicate to other computers on a network. When connected to the network, computers can share websites, files, printers and other resources. The most popular networking standard at the moment is Ethernet, which one can recognize by the rectangular connectors with eight wires in them. Wireless network with the 802.11b and the faster 802.11g standard is also increasingly popular, both at home and in the office, though it is not yet as fast as wired (ethernet) network. A public place where you can use wireless internet is called a "hot spot".
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Icecat Product ID:
The Icecat Product ID is the unique Icecat number identifying a product in Icecat. This number is used to retrieve or push data regarding a product's datasheet. Click the number to copy the link.
Data-sheet quality: created/standardized by Icecat
The quality of the product data-sheet can be on several levels:
only logistic data imported: we have only basic data imported from a supplier, a data-sheet is not yet created by an editor.
created by HPE: a data-sheet is imported from an official source from a manufacturer. But the data-sheet is not yet standardized by an Icecat editor.
created/standardized by Icecat: the data-sheet is created or standardized by an Icecat editor.
Product views: 201597
This statistic is based on the 97136 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) downloading this Icecat data-sheet. Only sponsoring brands are included in the free Open Icecat content distribution as used by 94642 free Open Icecat users.
Info modified on: 08 Aug 2025 14:52:05
The date of the most recent change of this product data-sheet in Icecat.
Product Brochure/Datasheet (0.2 MB)
Here, we only show product PDFs of sponsoring brands that joined Open Icecat. As Full Icecat channel partner login to see all product data or request a Full Icecat subscription.
QuickSpecs (1.4 MB)
Here, we only show product PDFs of sponsoring brands that joined Open Icecat. As Full Icecat channel partner login to see all product data or request a Full Icecat subscription.
Bullet Points HPE Ethernet 10/25Gb 2-port SFP28 MCX4121A-ACUT Adapter
Each of several items in a list, preceded by a bullet symbol for emphasis. For easy access to this data, refer to the "BulletPoints" tag in XML or JSON.
:
  • - Wired
  • - PCI Express 3.0 Ethernet / Fiber
  • - 25 Mbit/s
  • - Internal Component for: Server
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More Efficient and Faster Way to Send Data with RDMA Over Converged Ethernet (RoCE)

The HPE Ethernet 10/25Gb 2-port SFP28 CX4121B Adapter bypasses the TCP/IP stack and removes a data copy step reducing overall latency to deliver accelerated performance for applications such as Microsoft Hyper-V Live Migration, Microsoft SQL and Microsoft SharePoint with SMB Direct.
Reduces the impact of overlay networking on host performance with tunnel offload support.
Auto negotiates to 10GbE for immediate future proofing.

Lower Latency and Higher Throughput With Messaging Accelerator (VMA)

The HPE Ethernet 10/25Gb 2-port SFP28 CX4121B Adapter reduces system latency for improved performance specifically for high-frequency trading operations while maintaining high message rates and hundreds of simultaneous connections.
Contains VMA, an included firmware with many benefits such as lower latency, higher throughput, improved CPU utilization and minimal buffer copies between user data and hardware.

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Warranty & Support Extensions
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Servers
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own your brand
We only include the brand logos of Open Icecat participants (sponsors) with whom we entered into a formal agreement to make their product content available for all their channel partners on their websites. Open Icecat is the most powerful network as it is used by97136channel partners already
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Here, we only show product images of sponsoring brands that joined Open Icecat as product images can be subject to copyrights. Icecat can be of assistance in securing the necessary permissions or implementing a brand's Digital Rights Management policies. Login to view all product specs or request a Full Icecat subscription to download product specs.
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HPE
own your brand
We only include the brand logos of Open Icecat participants (sponsors) with whom we entered into a formal agreement to make their product content available for all their channel partners on their websites. Open Icecat is the most powerful network as it is used by97136channel partners already
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Here, we only show product images of sponsoring brands that joined Open Icecat as product images can be subject to copyrights. Icecat can be of assistance in securing the necessary permissions or implementing a brand's Digital Rights Management policies. Login to view all product specs or request a Full Icecat subscription to download product specs.
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Country Distributor
Nederland 4 distributor(s)
España 3 distributor(s)
France 2 distributor(s)
Magyarország 2 distributor(s)
Italia 2 distributor(s)
United Kingdom 6 distributor(s)
Österreich 2 distributor(s)
Switzerland 3 distributor(s)
México 1 distributor(s)
Danmark 3 distributor(s)
Deutschland 3 distributor(s)
Belgium 2 distributor(s)
Sverige 1 distributor(s)
Norway 1 distributor(s)
Australia 1 distributor(s)
United States 1 distributor(s)
New Zealand 1 distributor(s)