HPE 581199-001
(NC550SFP) Dual‑Port 10 GbE SFP+ Network Adapter (PCIe 2.0 ×8)
The HPE NC550SFP (part number 581199‑001) is a dual‑port 10 Gigabit Ethernet server adapter featuring two SFP+ cages for fiber (SR) or direct‑attach copper (DAC) connectivity. Built on an eight‑lane PCI Express 2.0 ×8 interface, it delivers up to 10 Gbps per port (20 Gbps aggregated), offering high throughput for demanding virtualization, storage, and data center workloads. Optimized for compatibility with HPE ProLiant servers (Gen6/Gen7), this adapter combines power efficiency, performance, and rugged reliability in a cost-effective design.
Features
Powered by the ServerEngines BE4210 controller (Emulex OEM), the NC550SFP offers advanced networking features including support for TCP/UDP checksum offload, Large Send/Receive Offload (LSO/TSO), interrupt coalescing, and IEEE 802.1p QoS tagging to improve performance and reduce CPU utilization . It supports jumbo frames up to 9 KB MTU and is fully compatible with IPv4/IPv6, VLAN tagging, and advanced teaming or LACP configurations. Designed for ProLiant G6/G7 servers from DL and ML series, it supports both low-profile and full-height brackets for flexible installation in rack or tower chassis
Advanced Options
Engineered for enterprise-class server environments, the NC550SFP provides up to 40 Gbps full-duplex aggregate bandwidth with minimal latency and CPU impact. It is thermally validated under HPE Sea‑of‑Sensors design,
Product Key Features
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Dual SFP+ (10 GbE) ports for SR fiber or DAC cables
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PCIe 2.0 ×8 interface with x4 backward compatibility
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Jumbo frames (9 KB), TCP/IP offloads, QoS support
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Virtualization optimization with NetQueue, MSI‑X, RSS
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VLAN tagging, link aggregation, IPv6 support
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LED indicators for link/activity; includes full‑ and low‑profile brackets
Reliability & Performance
drawing approximately 15 W maximum and adapting to Open Compute thermal zones automatically. OEM‑tested refurbished models typically include a 90‑day warranty; new units may carry longer warranty support depending on vendor or server coverage. The robust chipset and firmware compatibility ensure consistent operation across a wide array of ProLiant platforms.
Key Features :
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2 × 10 GbE SFP+ ports (supporting SR fiber or DAC copper)
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PCIe Gen2 ×8 host interface (auto-sensing ×4 support)
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Supports jumbo frames (9 KB), TCP/UDP offload, and QoS
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Virtualization features: MSI-X, RSS, NetQueue
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VLAN tagging, link aggregation (LACP), IPv6 compatibility
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LED status indicators; full/low-profile bracket included
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