Express shipping to
Contact Us
Track Order
Search
Popular Search
Inquiry
Shopping Cart
Login

Coupon
Quote now,
save up to 8%.

Inquiry
Contact

Feedback
Your Feedback
How would you Rate us?
Ease of use:
Buying feedback:
Product details:
main product photo

870825-B21, HPE Ethernet Adapter, 2x25Gb SFP28/Low-profile/PCIe 3.0

  • Brand: HPE
  • Model: 870825-B21
Rating:
100%
5/5.0
1 Review
  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    23 Years Expertise
    23 Years Expertise
    Proven, deployment-focused
    • Condition
    • Original New
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert
    Talk to an Expert
    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

      Track Your Order
    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    870825-B21, HPE Ethernet Adapter, 2x25Gb SFP28/Low-profile/PCIe 3.0

    870825-B21, HPE Ethernet Adapter, 2x25Gb SFP28/Low-profile/PCIe 3.0

    100% Genuine Ready to Ship
    $1,216.00
    Overview
    Specification
    Reviews
    Q&A
    Warranty
    Download
    Overview

    HPE 870825-B21 Overview

    Introducing the HPE Ethernet 10/25Gb 2-port 661SFP28 Adapter, a state-of-the-art server adapter designed to boost your server's network performance and efficiency. Perfectly suited for high-performance computing and networking tasks, this adapter ensures seamless connectivity and bandwidth management for enterprise and cloud data centers. Experience unparalleled network speeds and reliability with HPE's cutting-edge technology.

    Quick Spec

    BrandHPE
    Product Name870825-B21
    InterfaceEthernet 10/25Gb
    Ports2 port
    Adapter Type661SFP28

    Product Features

    • Dual-port functionality for increased bandwidth and network redundancy
    • Support for 10/25GbE connectivity, enabling high-speed data transmissions
    • Efficient packet processing to optimize server performance
    • Seamless integration with HPE servers for reliability and enhanced functionality
    • Low power consumption, contributing to a reduced total cost of ownership

    Product Applications

    • Data centers requiring high-bandwidth network connections for server-to-server communications
    • Cloud service providers in need of reliable and efficient network adapters for their infrastructure
    • Enterprise networks looking to upgrade their existing hardware for improved data transfer rates

    Supported Options

    TransceiverHPE 25Gb SFP28
    CablesHPE Direct Attach Cable
    Rack Mount KitHPE Server Rack Mount Kit

    Compare to Similar Items

    ModelDifferences
    HPE 560SFP+Lower speed (10Gb), Single-port
    HPE 562SFP+Lower speed (10Gb), Dual-port
    HPE 640FLR-SFP28Fixed port, No flexibility in transceivers

    Get more information

    For more detailed information about the HPE 870825-B21 Ethernet 10/25Gb 2-port 661SFP28 Adapter and its pricing, please contact us through Live Chat or at [email protected]. Our experts are ready to assist you with your queries and help you make the right choice for your network infrastructure.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    HPE 870825-B21 Specification

    870825-B21 Specifications

    Product Brand HPE
    Product Name 870825-B21
    Type Ethernet Adapter
    Interface PCI Express x8
    Port Speed 10/25Gb
    Port Quantity 2 Ports
    Port Type SFP28
    Form Factor Plug-in card
    Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet
    Application Server
    Compatible Slots 1 x PCI Express x8
    Network Technology 10/25 Gigabit Ethernet
    Operating Temperature Range 0°C to 70°C
    Compliance Standards IEEE 802.3ae, IEEE 802.3ba
    Power Consumption Typical: Not specified
    Compatibility HPE Servers
    Product Line HP Enterprise
    Warranty Limited warranty - parts and labor - 1 year

    Quality Certifications

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Get a Quote
    Live Chat
    Need Help? Technical Experts Available Now.
    Q&A

    Questions & Answers

    What accessories are available for the HPE Eth 10/25Gb 2p 661SFP28 Adapter?

    Accessories include compatible SFP28 transceivers and optical cables for enhanced networking capabilities.

    How does the HPE Eth 10/25Gb 2p 661SFP28 Adapter compare to similar products?

    Compared to similar products, this HPE adapter provides higher speed options and better integration with HPE servers.

    Is the HPE Eth 10/25Gb 2p 661SFP28 Adapter compatible with all HPE servers?

    The adapter is compatible with most HPE servers that have an available PCIe slot and meet the specified requirements.

    Is router-switch.com a reliable distributor?

    Absolutely. As a multi-brand authorized distributor, router-switch.com is directly certified by leading technology manufacturers. We guarantee 100% genuine products, competitive pricing, and full manufacturer warranties and support.

    Learn More
    Warranty

    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.

    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a HPE-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Return Policy page for more information.
    • Free HPE Technical Support
      Our HPE-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pay by wire transfer.
      • Pay with your paypal.
      • Pay with your Visa credit card.
      • Pay with your Mastercard credit card.
      • Pay with your Discover Card.
      • Pay by American Express.
      More
      Trusted & Secure Payments ×
      100% Trusted, Secure Purchase at Router-switch.com
      • 120+ Local Currencies120+ Local Currencies
      • Multiple Payment OptionsMultiple Payment Options
      • 100% Secure Payments100% Secure Payments

      Choose the payment method that works for you—local options, multiple currencies, or bank transfers. Every payment is protected by SSL encryption, PCI DSS-level security, McAfee Secure, and VeriSign Secured for complete peace of mind.

      • tt
      • paypal
      • visa
      • mastercard
      • echeck
      • webmoney
      • discover
      • american-express
      • jcb
      • bank-transfer
      • western-union
      • qiwi
      • apple Pay
      • google pay
      Guaranteed Safe Checkout
      • ssl-encryption
      • pci-dss
      • mcafee-secure
      • verisign-secured
      View Payment Options
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Warranty Policy page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contact Us page for more support options.

    Best-Fit Solutions for Your Network

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

    AI
    Beyond Bandwidth: The 100G+ Data Center Architecture

    Beyond Bandwidth: The 100G+ Data Center Architecture

    The must-have 100G foundation - AI-ready growth, zero-latency performance

    Data Center
    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

    Ethernet Switch
    Download
    Model Datasheet
    Log in
    Register