PWR-500AC-F: Arista 500W AC Switch Power Supply Front-to-Rear Airflow
Also listed as: PWR-500AC-F-AR, PWR-500AC-F-C
The Arista PWR-500AC-F is a 500W AC hot-swappable switch power supply with front-to-rear airflow providing redundant power for Arista 7050 and 7150 Series switches.
Specifications
| Part number | PWR-500AC-F |
|---|---|
| Brand | Arista |
| Type | Power supplies |
| Other numbers | PWR-500AC-F-AR, PWR-500AC-F-C |
| Status | current |
| Form factor | Internal hot-plug module |
| Power output (W) | 500 |
| Input voltage | 100-240 VAC |
| Efficiency | Platinum |
| Airflow | Front-to-Rear (Port-to-FRU) |
About the PWR-500AC-F
The Arista PWR-500AC-F power supply module delivers 500 Watts of continuous AC electrical power for high density data center switches. Engineered with front-to-rear cooling airflow, it integrates into standard hot aisle and cold aisle data center layouts while supplying dual redundant power protection.
Compatibility
Compatible with Arista 7050 Series, 7150 Series, and 7020 Series switches. It operates in dual power supply configurations to provide uninterrupted system failover protection and balanced load sharing across independent AC power distribution circuits in equipment racks.
How to identify a genuine unit
Enclosed in a sheet metal module casing with a red release handle indicating front-to-rear airflow, internal cooling fan, IEC C14 power inlet, and status indicator LEDs. The vendor label specifies part designation PWR-500AC-F and serial number barcode.
Buying used
Inspect the rear edge card connector for burn marks, bent pins, or mechanical wear. Slide the power supply into an active switch chassis to verify that the cooling fan spins smoothly without bearing noise and check that Arista EOS reports normal power supply status.
Fits these models
- Arista 7020R 7020TR-48
- Arista 7050X 7050CX3-32S
- Arista 7050X 7050QX-32S
- Arista 7050X 7050SX-64
- Arista 7050X 7050SX-72Q
- Arista 7050X 7050SX2-128
- Arista 7050X 7050SX3-48YC8
- Arista 7050X 7050TX-64
- Arista 7050X 7050TX3-48C8
- Arista 7060X 7060CX-32S
- Arista 7060X 7060CX2-32S
- Arista 7060X 7060DX4-32
- Arista 7060X6-32D
- Arista 7150S-24
- Arista 7150S-52
- Arista 7150S-64
- Arista 720D-48Y6
- Arista 720XP-24Y6
- Arista 720XP-48Y6
- Arista 7260X 7260CX3-64
- Arista 7280R 7280CR-48
- Arista 7280R 7280CR2-60
- Arista 7280R 7280CR3-32D4
- Arista 7280R 7280CR3-32P4
- Arista 7280R 7280SE-64
- Arista 7280R 7280SR-48C6
- Arista 7280R 7280SR2K-48C6
- Arista 7280R 7280SR3-48YC8
Check compatibility with Arista
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Arista has tested with the Arista PWR-500AC-F.
- Compatibility Arista transceivers and cables
- Support Arista Support
FAQ
What switches use the PWR-500AC-F power supply?
It is designed for Arista 7050 Series, 7150 Series, and 7020 Series fixed-configuration switches.
What airflow direction does the F suffix designate?
The F suffix indicates Front-to-Rear airflow, where cooling air enters through switch ports and exhausts out the rear.
Buying or selling PWR-500AC-F?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Arista 7050X3 Series Data Sheet, checked 2026-10-27