Its switch fabric is centered at the Westin Building and extended to KOMO Plaza, Sabey Intergate, and other locations.

It continues to run without any recurring charges to the participants and current major funding comes from one-time 10, 100, and 400 Gbit/s port fees, as well as from voluntary contributions from stakeholders.

As of April 21, 2024, there are 370 networks (443 routers) connected to the SIX advertising at least 195,000 (140,000 IPv4, 55,000 IPv6) unique Border Gateway Protocol (BGP) routes.

The core of the SIX consists of Arista Networks switches, with a 7808R3, 7512R, and 7508R at the Westin Building, a 7504R3 at KOMO Plaza, and a 7504R at Sabey Intergate.

Jumbo frame peering at 9000-byte maximum transmission unit (MTU) is available.