February 21, 2022

Silicom Ltd. Has introduced the new TimeSync Card STS3

8-Port 25/10 Gigabit Ethernet Grand Master TimeSync GEN4 Server Adapter



Silicom’s P425G8TS81 TimeSync Card STS3 25/10 Gigabit Ethernet PCI Express Grand Master TimeSync server adapter, based on Intel E810 NIC controllers and Microchip / servo PLL, adds TimeSync/GM ability to server /mobile DU systems.

The Silicom STS3 TimeSync card for 4G and 5G NICs enable real-time data transmission with high timing accuracy at the lowest cost to power 5G DRAN and CRAN edge deployments:


  • Supports 1588/PTP over IPv4 / IPV6, IEEE1588v2
  • Supports SyncE /ITU-T G.8262
  • T-BC/T-TSC Boundary Clock and TSC Slave Clock /G.8273.2
  • T-GM Grand Master /G.8273.1 per G.8275.1 PTP profile
  • PRTC Primary Reference Time Clock Class B/G.8272
  • T-TC Transparent Clock /G.8273.3
  • 1588 Software Stack and Servo Software in x86

STS3 TimeSync adapter

Read more about Silicom’s TimeSync Solutions