Support SN5400 Series deployments with a service model built for urgent recovery. NVIDIA ENT Business Critical Support Services with 4HRMA AR and 4-hour on-site coverage is designed for environments where hardware failure cannot wait for standard response windows. This 52-month renewal combines two recovery paths: rapid replacement logistics and on-site field support. That pairing matters when the issue is not just getting a part, but getting the right hands and hardware to the site quickly enough to limit disruption. For network teams, it creates a more direct route back to service. The service is well suited to organizations that run critical switching infrastructure and want a tighter support posture than basic replacement coverage can provide. It helps reduce operational uncertainty, supports maintenance planning, and gives procurement a clear service term aligned to the installed base. Choose this option when uptime, response speed, and field intervention all matter. It is built to protect the continuity of SN5400 Series environments with a support structure that reflects the cost of delay.