United States
| Name: |
665243-B21 |
| Description: | HPE Ethernet 10Gb 2-port 560FLR-SFP+ Adapter |
| Rating: |
(0)
Added to cart 38 times recently |
| Availability: |
In stock - Ready to Ship
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| Warranty: |
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3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
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Same-day Shipping
Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
665243-B21 Overview
665243-B21 is a high-performance Ethernet adapter engineered for demanding networking environments. It delivers a reliable 10Gbps data rate through a robust PCIe connection interface, ensuring low latency and seamless integration for data centers, small office networks, and high-speed workstations.
Optimized for compatibility with Windows, Linux, macOS, VMware, and Hyper-V, 665243-B21 supports protocols including TCP/IP, UDP, iSCSI, NFS, and SMB. Its internal PCIe card form factor paired with an RJ-45 connector, along with features like auto-negotiation, Wake-on-LAN, Jumbo Frames, and QoS, makes it an ideal choice for high-demand enterprise and gaming setups.
What is the price of 665243-B21?
Pricing for 665243-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 665243-B21.
Explore more options from Network Adapters or explore other Hpe products.
665243-B21 Specifications
| Product Type | Network Adapter |
| Adapter Type | Ethernet |
| Data Rate | 10Gbps |
| Connection Interface | PCIe |
| Supported Protocols | TCP/IP, UDP, iSCSI, NFS, SMB |
| Form Factor | Internal PCIe Card |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Windows, Linux, macOS, VMware, Hyper-V |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 10W |
| Connector Type | RJ-45 |
| Maximum Range | 100 meters |
| Bus Type | PCIe x4 |
| Product Name | 665243-B21 High Performance 10Gbps Ethernet Adapter |
| Height | 1.0 in |
| Width | 4.5 in |
| Depth | 0.5 in |
| Weight | 0.4 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Product Type | Network Adapter | Network Adapter | Network Adapter | Network Adapter | Network Adapter |
| Adapter Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 10Gbps | 10Gbps | 1Gbps | 10Gbps | 10Gbps |
| Connection Interface | PCIe | PCIe | PCIe | PCIe | PCIe |
| Supported Protocols | TCP/IP, UDP, iSCSI, NFS, SMB | TCP/IP, UDP, iSCSI | TCP/IP, UDP, iSCSI | TCP/IP, UDP, iSCSI | TCP/IP, UDP |
| Form Factor | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS | Windows, Linux, VMware, Hyper-V | Windows, Linux, macOS | Windows, Linux, macOS, VMware, Hyper-V |
| Max Speed | 10Gbps | 10Gbps | 1Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 10W | N/A | N/A | 15W | 15W |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | SFP+ |
| Maximum Range | 100 meters | N/A | 100 meters | 100 meters | N/A |
| Bus Type | PCIe x4 | PCIe x1 | PCIe x4 | PCIe x4 | PCIe x8 |
| Product Name | 665243-B21 High Performance 10Gbps Ethernet Adapter | 684218-B21 Ethernet Adapter | Intel I350T4V2 Ethernet Server Adapter | X527DA2OCPG1P5 10GbE Network Adapter | X710DA2OCP1G1P5 |
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