Hotlava Rainier 1G6C – RJ-45 6Gbps network card with six ports and Broadcom 5719 and 5720 controllers
Product Description
The HLS (Hotlava) Rainier 1G6C is a high-performance network interface card engineered for demanding server, virtualization, and data center environments. It integrates six independent RJ-45 ports for 1 Gigabit Ethernet connectivity on a single compact adapter, enabling maximum port density without occupying multiple slots. Powered by Broadcom BCM5719/20 controller technology, the adapter achieves a combined bidirectional throughput of up to 12 Gbps. The card supports PCI Express Gen2 with a mechanical x8 interface and electrical x4x4 bifurcated connection, offering flexible compatibility across a wide range of server configurations. Extensive support for networking standards such as IEEE 802.3ab (1000BASE-T), 802.3u (100BASE-TX), 802.3i (10BASE-T), and 802.3az (Energy Efficient Ethernet) ensures seamless integration into modern infrastructure. Hardware-based offloading technologies including TCP, UDP, and IP checksum offload, Large Send Offload (LSO), Large Receive Offload (LRO), and TCP Segmentation Offload (TSO) reduce CPU usage and improve system efficiency. Virtualization features such as I/O Virtualization with up to 17 receive and 16 transmit queues per port, along with Receive Side Scaling (RSS) and Transmit Side Scaling (TSS), make the Rainier 1G6C an ideal solution for virtualized environments. Compatible with major operating systems, including Windows Server, Red Hat Enterprise Linux, Ubuntu, VMware ESXi, and others, this adapter offers broad deployment options. Its compact design, energy efficiency, and robust functionality make it an excellent choice for high-demand enterprise networking scenarios.
Key Features
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Six Gigabit Ethernet Ports: High-density solution offering six RJ-45 ports on a single adapter.
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Broadcom BCM5719/20 Controllers: Trusted and efficient controllers ensure stable and high-speed data transmission.
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PCIe Gen2 Interface: Mechanical x8, electrical x4x4 bifurcated, allowing optimal integration into modern servers.
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Energy Efficient Ethernet: Supports IEEE 802.3az to reduce power consumption during low data activity.
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Advanced Virtualization Support: Up to 17 RX and 16 TX queues per port for efficient multi-tenant workloads.
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Jumbo Frames Support: Allows frame sizes up to 9.6 KB for better throughput of large data packets.
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Network Standards Compatibility: Includes support for 1000BASE-T, 100BASE-TX, 10BASE-T, flow control, and VLAN tagging.
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Comprehensive Offload Features: Includes TCP, UDP, and IP checksum offload, LSO, LRO, and TSO for reduced CPU load.
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Boot and Remote Deployment Support: Supports iSCSI Boot, PXE Boot, and UEFI Boot environments.
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IEEE 802.1q VLAN Tagging: Enables secure network segmentation and isolation.
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Link Aggregation & Load Balancing: Improves bandwidth and redundancy with port bundling technologies.
Advantages
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Space-Saving Design: Offers maximum port density on a single PCIe slot, ideal for rack-mounted systems.
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High Aggregate Bandwidth: Up to 12 Gbps total bidirectional bandwidth ensures fast and reliable data transfer.
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Energy-Conscious Operation: Power efficiency is optimized using Energy Efficient Ethernet support.
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Reduced Processor Overhead: Advanced offloading functions help reduce system CPU usage.
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Broad OS Compatibility: Supports a wide range of enterprise and open-source operating systems.
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Virtualization-Ready: Fully compatible with VMware NetQueue and Microsoft VMQ technologies.
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TAA-Compliant: Suitable for use in environments that require Trade Agreements Act compliance.
Scope of Delivery
- 1× HLS Rainier 1G6C Six-Port Gigabit Ethernet Adapter
- 1× Quick Start Guide
Technical Specifications
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Model: HLS Rainier 1G6C
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Chipset: Broadcom BCM5719/20
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Network Ports: 6× RJ-45 (1GbE)
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Interface: PCIe Gen2, x8 mechanical, x4x4 electrical bifurcated
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Maximum Bandwidth: 12 Gbps of full-duplex bandwidth
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Offload Capabilities: LSO, LRO, TSO, RSS, TSS, MSI/MSI-X
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Supported Standards: IEEE 802.3ab, 802.3u, 802.3i, 802.3x, 802.3az, 802.1q
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Operating Systems: Windows Server 2008–2025, Windows 7/10/11, RHEL 5–9, SuSE SLES 10–15, Ubuntu 7–24.04.1 LTS, vSphere/ESXi 4–8, Citrix XenServer 6–8, FreeBSD 6–14, OpenBSD 5–7
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Power Consumption: Max. 7 Watts at full 1000BASE-T load
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Dimensions: 4.38 in × 3.78 in (approx. 111.3 mm × 96.0 mm)
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Operating Temperature: 0 to 55 °C with 100 LFM airflow
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Operating Humidity: 5% to 85% non-condensing
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Storage Temperature: -40 to 70 °C
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Storage Humidity: 0% to 85% non-condensing
Additional Notes
This adapter is designed for IT professionals who require reliable, scalable, and space-efficient networking solutions. Its support for a wide range of protocols, virtualization technologies, and offload features makes it suitable for advanced deployments in enterprise IT infrastructure. The Rainier 1G6C is also compliant with the Trade Agreements Act (TAA), making it appropriate for federal procurement and internationally regulated projects.
Product safety information
Manufacturer information:
Hotlava
1300 Clay Street, Suite 600
94612 Oakland CA, Vereinigte Staaten
info@titan-commerce.com
www.titan-commerce.com
Responsible person:
HotLava Systems
Gottlieb-Daimler-Straße 13
35440 Linden, Deutschland
info@titan-commerce.com
https://www.titan-commerce.com
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