Sierra 3121

Quad port Ethernet NIC
  • 10G SFP+
  • Fiber
  • Intel XL710

Sierra 3121 is a low profile quad port SFP+ Fiber NIC based on Intel’s XL710 10Gb Ethernet Controller. Sierra 3121 is designed to integrate with PCI Express compatible servers and high-end appliances. Fully compatible with Intel drivers and Software Development Kits (SDK), Sierra 3121 supports high speed networking in mission-critical applications such as network security appliances, data analytics platforms, data center virtualization, clustered databases, Software Defined Networks (SDN) and Network Function Virtualization (NFV) services.

Sierra 3121 is a half-height, half-length server adapter. Using either a short or long bracket, Sierra 3121 can fit into either a low profile or high profile PCI-e slot. Interface Masters Technologies offers a wide selection of complimentary 1G/10G optical modules and Twin-Ax direct attach cables.

Interface Masters Technologies proudly designs and manufactures our products in the USA and provides tier 1 service for all of our products. Interface Masters offers quick turn hardware customization to meet a wide variety of requirements in a fast paced environment. Please contact us for a comprehensive discussion on your OEM or data center needs.

  • PCI-e x 8 Gen 3.0 compatible server adapter
  • Quad-port SFP+ connector for multi-mode or single-mode support
  • Peak bandwidth 8 GT/s in each direction per PCI Express lane
  • Intel FTXL710-AM1 quad MAC and PHY Ethernet controller with DPDK support for networking, SDN and NFV application acceleration
  • Virtualization support


Operating Humidity 0% to 90%; non-condensing
Operating Temperature 0ºC to 40ºC (32ºF – 104ºF)
Storage Temperature -20ºC – 65ºC (-4ºF – 149ºF)
Maximum Power Consumption 14.16 W


  Inches Millimeter
Length 4.50 114.30
Height 2.713 68.91

Firewall, UTM (Unified Treat Management), IDS (Intrusion Detection Systems), IPS (Intrusion Prevention System), DLP (Data Loss Prevention) and CMS (Content Management Systems), Network Security, SSL/IPSec offload, WAN optimization, SDN (Software Defined Network), DPI (Deep Packet Inspectors), Application Delivery controllers, virtual CPE, branch routers, and custom networking appliances

Part Number Description
NSA3121-E4-NSP0900AS Sierra 3121 - Quad port 10G Ethernet adapter, PCI-E Gen 3 x8, Intel XL710 controller, no SFPs installed, half height, half length, short bracket installed
NSA3121-E4-NSP0900AL Sierra 3121 - Quad port 10G Ethernet adapter, PCI-E Gen 3 x8, Intel XL710 controller, no SFPs installed, half height, half length, long bracket installed
SFP modules and direct attach cables Contact Interface Masters for a full selection of SFP and SFP+ optical modules, and Twin-Ax direct attach cables
Interface Masters Technologies’ long history of providing high reliability systems is embedded in the design. The many configuration options of our product lines offer us the opportunity to create a unique network solution for every customer. We can update our existing products or design from ground up, then build and manufacture to meet your technical requirements. Let’s get started!
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