SYSTEM Cited by 1 source

Meta Wedge 400 (fabric switch)

Wedge 400 is Meta's OCP-contributed fabric switch (introduced at OCP Summit 2021), used inside Meta's AI-rack designs as the top-of-rack / intra-rack fabric-switch element. It is one component in the Catalina rack assembly announced at OCP Summit 2024.

Seen in

• sources/2024-10-15-meta-metas-open-ai-hardware-vision — "The full [Catalina] solution is liquid cooled and consists of a power shelf that supports a compute tray, switch tray, the ORv3 HPR, the Wedge 400 fabric switch, a management switch, battery backup unit, and a rack management controller." The Wedge 400 is the fabric-switch element inside Catalina's 140 kW liquid-cooled rack assembly.

Why it matters

• OCP-native fabric switch hardware — companion to Meta's FBOSS NOS.
• Component of the Catalina rack solution — a concrete integration point between Meta's fabric hardware and its AI-rack designs.

Related

• systems/catalina-rack — AI rack containing Wedge 400.
• systems/fboss-meta-network-os — the NOS controlling it.
• systems/meta-dsf-disaggregated-scheduled-fabric — the broader disaggregated fabric architecture.
• companies/meta.