品牌名称：Solarflare Solarflare SFN8542-PLUS Flareon Ultra Dual-Port 40GbE QSFP+ 服务器适配器，节能效果

Solarflare SFN8542-PLUS dual-port 40GbE QSFP+ server adapter showing green PCB with dual QSFP+ ports and PCIe x16 interface-alternate-image1
Solarflare SFN8542-PLUS dual-port 40GbE QSFP+ server adapter showing green PCB with dual QSFP+ ports and PCIe x16 interface-alternate-image1
Solarflare SFN8542-PLUS dual-port 40GbE QSFP+ server adapter showing green PCB with dual QSFP+ ports and PCIe x16 interface-alternate-image1
品牌名称：Solarflare Solarflare SFN8542-PLUS Flareon Ultra Du...
Solarflare SFN8542-PLUS dual-port 40GbE QSFP+ server adapter showing green PCB with dual QSFP+ ports and PCIe x16 interface-alternate-image1

品牌名称：Solarflare Solarflare SFN8542-PLUS Flareon Ultra Dual-Port 40GbE QSFP+ 服务器适配器，节能效果

Solarflare SFN8542-PLUS

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产品关键特征

  • 带宽高达40Gbps
  • 延迟低于1微秒
  • XtremePacket Engine每个适配器提供1000个流/虚拟网络接口
  • API用于软件定义适配器，实现各种功能
  • UKB实现极端应用程序加速
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品牌名称：Solarflare Solarflare SFN8542-PLUS Flareon Ultra Dual-Port 40GbE QSFP+ 服务器适配器，节能效果

This item: 品牌名称：Solarflare Solarflare SFN8542-PLUS Flareon Ultra Du...

₦3,736,200.00

Total price: ₦3,736,200.00
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Solarflare

SFN8542-PLUS

Solarflare SFN8542-PLUS Flareon Ultra Dual-Port 40GbE QSFP+ Server Adapter

Experience unprecedented network performance with the Solarflare SFN8542-PLUS Flareon Ultra, a dual-port 40GbE QSFP+ server adapter designed for ultra-low-latency applications in financial trading infrastructures. This Energy Star certified adapter delivers exceptional flexibility with support for both 40GbE and quad-port 10GbE configurations.

Advanced Network Performance Features

The SFN8542-PLUS leverages 16 lanes of PCIe 3.1 to deliver optimal latency and maximum bus throughput. With Onload® technology, it provides kernel-bypass capabilities and sub-microsecond latency for both Layer 2 and TCP/UDP communications.

Network Technology Support

  • 40GBase-SR4 and 40GBase-LR4 compatibility
  • 10GBase-CR, 10GBase-SR, and 10GBase-LR support
  • 1000Base-X connectivity option
  • 40GBase-CR4 capability

Precision Timing and Synchronization

Equipped with a Stratum 3 oscillator, the adapter provides superior clock stability and hardware time-stamping capabilities. The integrated sfptpd synchronization daemon supports both PTPv2 protocol and PPS/NTP combinations, ensuring MIFID II compliance for financial applications.

Key Features:
  • Dual QSFP+ ports supporting 40GbE or 4x10GbE configurations
  • PCI Express 3.1 x16 interface for maximum throughput
  • Hardware time-stamping for precise event tracking
  • SR-IOV support for near bare-metal virtualized performance
  • Energy-efficient design with Energy Star certification

Flexible Configuration Options

The SFN8542-PLUS supports multiple physical functions and VLAN partitioning through 802.1Q trunked switch ports. It offers both active-passive and active-active LACP-enabled link configurations, with Onload® acceleration maintaining functionality across bonded ports.

Environmental Compliance

  • RoHS compliant manufacturing
  • Energy Star certified for efficiency
  • Environmentally friendly design
Flareon® Ultra SFN8542 双口 40GbE QSFP+ 服务器 I/O 适配器的 PLUS 变体增加了一套启用的软件功能，提供开箱即用的超低延迟 Onload® 加速套接字支持，以及 PPS 和 PTP 时间同步支持。 SFN8542-PLUS 能够为每个传入和传出的以太网帧关联一个硬件时间戳，用于应用程序故障排除或性能监控。这些特性使 SFN8542-PLUS 成为金融交易基础设施部署的首选超低延迟以太网适配器，在这些基础设施中需要一个或两个 40GbE 端口或四个 10GbE 端口。 CPU-高效网络 Flareon Ultra SFN8542-PLUS 双端口 40G 以太网 QSFP+ 服务器适配器可提供更快、更高效的网络流量处理，加速各种应用程序。SFN8542-PLUS 有 16 个 PCIe 3.1 通道，最小化延迟，最大化适配器和主机之间的总线吞吐量。SFN8542-PLUS 也可以配置为四个 10GbE 端口的四端口 10GbE 适配器，其中一个 QSFP+ 端口作为四个 10GbE 端口运行。 操作灵活性 在虚拟化环境中配置为 40GbE 或 10GbE 模式时，适配器支持通过 SRIOV 的超级虚拟化绕行，为虚拟化客户提供接近裸机网络性能。连接到 802.1Q 链路交换机端口时，还可使用多个物理功能，使端口可以被分区。在操作系统中呈现每个 VLAN 的逻辑接口。可以将同一适配器上的端口或多个适配器上的端口进行绑定以实现冗余运行。此冗余支持还适用于通过支持 Onload® 的 LACP 的链路（无论是主动-被动还是主动-主动）运行的加速套接字。 SFN8542-PLUS 提供以下已启用的许可功能：

Ultra-Low Latency Flareon Ultra SFN8542 提供快速和高效的硬件，优化用户应用程序的数据包流量。SFN8542-PLUS 解锁无与伦比的亚微秒级延迟，无论是在第 2 层还是通过 Onload 的 TCP 和 UDP 层。 Onload Onload 是 Solarflare 行业领先的完全符合 RFC 的内核绕行用户空间 TCP/IP 堆栈。无需修改被加速的应用程序即可获得无与伦比的应用程序到应用程序的 TCP 和 UDP 延迟。应用程序可以通过 Onload 与任何其他符合 RFC 的 TCP/IP 堆栈进行无缝互操作。 Precision Time SFN8542 配备 Stratum 3 振荡器，提供领先的时钟稳定性。SFN8542-PLUS 可启用 sfptpd，Solarflare 的时间同步守护程序，利用适配器的能力，将硬件时间戳应用于传入和传出的以太网帧，通过 PTPv2 协议或 PPS 和 NTP 的组合来同步其振荡器。sfptpd 还可以使 Linux 实时钟同步到外部时基，通过适配器时钟。从数据包事件或通过 Linux 时间 API 获得的任何时间戳都可以直接与外部时基源进行相关。这些功能允许用户实现超越 MIFID II 要求的事件可追溯性。

Return Policy

Time to Return

Standard Return Policy

We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details.

Replacement Only Return Policy

Replacement within 30 days of the delivery date.

Manufacturer Only Return Policy

Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.

Holiday Extended Return Policies

Extended Holiday Return Policy.

Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024.

Extended Holiday Replacement-Only Return Policy

Qualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024.

Solarflare SFN8542-PLUS dual-port 40GbE QSFP+ server adapter showing green PCB with dual QSFP+ ports and PCIe x16 interface

Ultra-Low Latency Performance with Dual QSFP+ Ports

The Solarflare SFN8542-PLUS showcases advanced networking capabilities through its dual QSFP+ ports mounted on a high-performance PCIe 3.1 x16 interface. The green PCB houses sophisticated circuitry including a Stratum 3 oscillator for precise timing and hardware time-stamping capabilities essential for financial trading applications. The adapter's architecture enables both 40GbE operation and flexible configuration as four 10GbE ports, making it ideal for high-frequency trading environments where microsecond advantages matter. The board's layout emphasizes efficient heat dissipation and signal integrity, with carefully routed traces visible on the multilayer PCB. Premium components and the robust mounting bracket ensure reliability in demanding server environments, while the QSFP+ ports provide broad compatibility with various optical and direct-attach copper connectivity options.

Technical Specifications

  • PCIe 3.1 x16 interface for maximum throughput
  • Dual QSFP+ ports supporting 40GbE or 4x10GbE configuration
  • Stratum 3 oscillator for precise hardware timestamping

Applications

  • High-frequency trading platforms requiring ultra-low latency
  • Financial data centers demanding precise time synchronization
  • Enterprise environments requiring flexible port configuration
常见问题
The Solarflare Flareon Ultra SFN8542-PLUS is a dual-port 40GbE QSFP+ server adapter featuring ultra-low latency capabilities, Onload-accelerated sockets, and PPS/PTP time synchronization support. It offers hardware time-stamping for every Ethernet frame, PCIe 3.1 x16 interface for minimal latency, and can be configured as either a dual 40GbE or quad-port 10GbE adapter. The card includes CPU-efficient networking, hypervisor bypass via SRIOV, and supports both active-passive and active-active LACP-enabled links.
The SFN8542-PLUS supports multiple network technologies including: 40GBase-SR4, 40GBase-CR4, 40GBase-LR4, 10GBase-SR, 10GBase-LR, 10GBase-CR, and 1000Base-X. This versatility allows the adapter to operate effectively across various network infrastructures and speed requirements, making it suitable for different deployment scenarios.
The SFN8542-PLUS features a Stratum 3 oscillator for class-leading clock stability and includes sfptpd (Solarflare's time synchronization daemon). It can apply hardware time-stamps to incoming and outgoing Ethernet frames and synchronize via PTPv2 protocol or a combination of PPS and NTP. This precision timing capability exceeds MIFID II requirements and enables accurate event traceability.
In virtualized environments, the SFN8542-PLUS supports hypervisor bypass through SRIOV (Single Root I/O Virtualization), providing virtualized guests with near bare-metal network performance. It also offers multiple physical functions, allowing ports to be partitioned when connected to 802.1Q trunked switch ports, with a logical interface per VLAN presented to the operating system.
The SFN8542-PLUS is a plug-in card with dimensions of 7.1" in height and 4.8" in width. It features dual QSFP+ ports and utilizes a PCI Express 3.1 x16 host interface. The card supports optical fiber media type and is designed for server installation.
The SFN8542-PLUS is environmentally certified with RoHS compliance and carries the Energy Star certification. It's designed to be energy efficient and environmentally friendly, meeting modern environmental standards for electronic equipment.
Onload is Solarflare's industry-leading kernel-bypass user-space TCP/IP stack that comes enabled with the SFN8542-PLUS. It provides unrivaled application-to-application TCP and UDP latency without requiring modifications to the accelerated applications. Onload maintains full RFC compliance and can seamlessly interoperate with any other RFC-compliant TCP/IP stack.
The SFN8542-PLUS supports port bonding for redundant operation, both across ports on the same adapter and across multiple adapters. This redundancy support extends to Onload-accelerated sockets, which can run across both active-passive and active-active LACP-enabled links, ensuring high availability and reliable network connectivity.

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