HP 560FLR-SFP+ network adapter - Reliable SFP+ Performance

Our review of the HP 560FLR-SFP+ network adapter finds it best suited for IT professionals and small server environments that need a straightforward, high-speed SFP+ interface. The card is a no-frills internal network adapter identified as 665243-B21 and is designed to deliver consistent 10Gb performance without extra consumer-oriented features. For administrators who want a compact, compatible module to add SFP+ connectivity to rack servers or upgrade internal networking, this adapter offers the single biggest reason to buy: predictable, vendor-matched hardware that fits into HP server ecosystems.

Key Features

• Model identification: The 665243-B21 label makes it easy to match replacement parts and confirm compatibility with supported HP systems.
• SFP+ connectivity: Provides a standard 10Gb SFP+ interface so IT teams can integrate fiber or DAC cabling for low-latency links.
• Internal form factor: Designed as an internal adapter, it fits into server expansion slots for a clean installation without external adapters.
• Vendor alignment: Being an HP-compatible part reduces the risk of firmware or driver mismatch in HP server environments.
• Simple deployment: The straightforward design minimizes configuration complexity and speeds installation for experienced administrators.

Who It's For

This network adapter is aimed at system administrators and IT professionals who manage HP servers or mixed datacenter racks and need a reliable internal SFP+ card. It works well for upgrading internal connectivity to 10Gb without changing the server chassis or cabling strategy.

It is not targeted at casual desktop users or those who need multi-port switches, extensive offload features, or bundled software. Organizations requiring advanced NIC features such as large-scale virtualization offloads or integrated management suites should confirm compatibility or consider higher-featured models.

Pros & Cons

Pros

• Vendor-labeled 665243-B21 ensures straightforward part tracking and support within HP environments.
• SFP+ interface offers reliable 10Gb connections for fiber or direct attach cabling options.
• Internal card design keeps rack and cable management neat and avoids external adapters.

Cons

• Limited to the basic feature set implied by the model; not positioned as a feature-rich or multi-port enterprise NIC.

Specifications

Product name	HP 560FLR-SFP+ network adapter
Part number	665243-B21
Brand	Compaq
Interface	SFP+ (10Gb)
Form factor	Internal network adapter
Category	Internal Components - Network Cards

Our Verdict

The HP 560FLR-SFP+ is a sensible, value-oriented choice for IT teams that need a dependable 10Gb internal NIC that fits HP server environments. It delivers solid connectivity and easy installation without unnecessary extras, making it a good buy when compatibility and straightforward performance matter more than advanced NIC offloads.

Frequently Asked Questions

Is this adapter compatible with HP servers?
Yes, the 665243-B21 labeling indicates it is intended for HP server environments and simplifies matching replacement parts.

What type of cabling does it use?
It uses an SFP+ interface so you can use compatible fiber transceivers or direct attach copper cables for 10Gb links.

Is this a multi-port card?
No, the product is a single internal network adapter designed for SFP+ connectivity rather than a multi-port network card.