HPE 665238-001
366FLR 1Gb 4‑Port FlexibleLOM Gigabit Ethernet Adapter
The HPE 665238‑001 (366FLR) is a 1 Gb Gigabit Ethernet Adapter offering four full line‑rate RJ‑45 ports on a FlexibleLOM formfactor, ideal for ProLiant Gen8 and Gen9 rack and scale‑out servers. Powered by the Intel I350 controller, this compact NIC supports high-density networking in virtualized, clustered, or segmented server environments. With support for jumbo frames, advanced offload, and precision time protocol, it delivers balanced performance while reducing CPU overhead and cabling complexity. Perfect for environments requiring multiple LAN interfaces or network segmentation within a single adapter footprint.
Features
Designed for scalable server deployment, this FlexibleLOM adapter interfaces via PCIe 2.1 ×4 (mechanically compatible with ×8/×16 slots), enabling up to 8 Gb/s aggregate throughput across its four Gigabit ports. Each port supports 10/100/1000BASE‑T over twisted‑pair cabling. Key features include VLAN tagging, MSI‑X interrupts, jumbo frames, and IEEE 1588 time synchronization support. Virtualization-enhancing capabilities such as VMware NetQueue, Microsoft VMQ, and PXE/WOL improve performance under multi‑tenant loads. Energy-efficient Ethernet support optimizes power usage without compromising performance.
Advanced Options
Engineered for reliable multi‑port Gigabit connectivity, the 366FLR adapter provides stable line‑rate speeds across all four ports concurrently. Its Intel I350-based architecture supports advanced offloading, minimizing host CPU impact during virtualization and network-intensive workloads.
Product Key Features
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Four 1 GbE RJ‑45 ports delivering full-duplex throughput
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FlexibleLOM form factor designed for HPE ProLiant Gen8/Gen9 servers
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Intel I350 chipset with PCIe 2.1 ×4 interface (compatible with ×8/×16 slots)
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Jumbo frames support, VLAN tagging, TCP segmentation/checksum offload
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Virtualization support: MSI‑X, VMQ, NetQueue, PXE boot, Wake-on-LAN
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IEEE 1588 PTP timing, SNMP manageability, Energy Efficient Ethernet
Reliability & Performance
The adapter’s support for jumbo frames up to 9 KB MTU enables efficient handling of large data packets, while IEEE 1588 PTP support ensures precise time syncing for latency-sensitive applications. The FlexibleLOM design eliminates extra cabling and PCIe slot usage, offering a compact and power-efficient solution—especially suited for dense ProLiant server environments.
Key Features
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4 × 10/100/1000Base‑T RJ‑45 ports
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FlexibleLOM adapter for Gen8/Gen9 HPE ProLiant servers
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PCIe 2.1 ×4 interface (operates in ×8/×16 slots)
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Advanced offloading: LSO, checksum offload, VLAN tagging
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Virtualization features: MSI‑X, VMQ, NetQueue, PXE, Wake-on-LAN
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Jumbo frames up to 9 KB MTU
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IEEE 1588 PTP time synchronization support
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Energy Efficient Ethernet (802.3az) support
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Minimal power usage, highly reliable integrated design
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Standard Active LEDs and link indicators
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