NVIDIA Mellanox MTEF-PSF-AC-E 550W AC Power Supply Unit, P2C Airflow (NVIDIA P/N 930-9NPSU-00J1-000): This is a hot-swappable AC power supply module for NVIDIA Mellanox SN2410, SN2700, and SN3420 Spectrum series Ethernet switches. The PSU delivers 550W of output and uses Power-to-Connector (P2C) airflow direction. This is a hot-swap PSU module, not a chassis-integrated power source and not a DC-input variant. This is a refurbished unit.
Engineering Context
The MTEF-PSF-AC-E provides 550W of regulated DC output to the switch backplane from AC mains input. The P2C (Power-to-Connector) airflow direction moves cool air from the rear power side toward the front connector side, matching switches built for reverse-airflow rack deployments. Hot-swap capability allows replacement of a failed PSU without disrupting switch operation, supporting redundant 1+1 PSU pair configurations. The module slides into a dedicated bay on the rear of the switch chassis and exposes status LEDs visible from the cold aisle. NVIDIA part number 930-9NPSU-00J1-000 identifies this exact SKU in procurement and inventory systems.
Deployment & Use Cases
Replacement PSU for SN2410, SN2700, and SN3420 Spectrum switches in reverse-airflow rack rows. Stocking spare for N+1 hot-spare programs in production data centers. Field replacement during planned maintenance windows where redundant PSU pair operation must be preserved. Lab and staging refresh where matched airflow direction across all chassis is required to keep a consistent thermal profile.
Technical Specifications
- OEM: NVIDIA Mellanox
- Part Number: MTEF-PSF-AC-E
- NVIDIA P/N: 930-9NPSU-00J1-000
- Module Type: Hot-swappable AC PSU
- Output Power: 550W
- Input: AC mains
- Airflow Direction: P2C (Power to Connector)
- Compatible Switches: SN2410, SN2700, SN3420
- Form Factor: Hot-swap PSU module
- Condition: Refurbished — Tested by T.E.S IT-SOLUTIONS
Compatibility & Hard Constraints
Compatible with NVIDIA Mellanox SN2410, SN2700, and SN3420 Ethernet switches. Must be paired with matching P2C-airflow fan modules in the same chassis — Mellanox does not support mixing P2C and C2P modules within a single switch. Not compatible with switch chassis requiring C2P (Connector-to-Power) airflow. Not a DC-input PSU variant. Not interchangeable with the higher-wattage MTEF-PSF-AC-F (1500W) or MTEF-PSF-AC-K (2000W) PSUs used by other Mellanox switch families. Verify chassis airflow orientation before installation.
Why Choose T.E.S IT-SOLUTIONS
T.E.S IT-SOLUTIONS tests every Mellanox PSU module under load before shipment, verifying output regulation, fan operation, and status LED behavior. Visit tes-itsolutions.com for the full Mellanox switch accessory catalog. Handling time is 1–3 business days with global shipping.