- Will this fit my Supermicro chassis?
- It fits Supermicro chassis that list the PWS-1K05A-1R as a supported module, typically 1U and 2U redundant-bay systems. Check your chassis model's power supply compatibility list before buying.
- Is it really 80 Plus Titanium?
- Yes, Supermicro rates this module 80 Plus Titanium, the top tier for server supplies. That means very high efficiency at 50 percent load, which matters in always-on servers.
- What does PMBus support give me?
- PMBus 1.2 lets the server's management controller read input voltage, output current, temperature and fan speed. You can monitor and alert on the supply remotely instead of walking the rack.
- Can I run just one module?
- Yes, a single module powers the server, but the point of this design is redundancy. Two modules let one fail or be swapped while the server stays up.
- Does it come with cables?
- No. It is a hot-swap module that plugs into the chassis backplane, so it uses the server's existing power distribution rather than loose cables.
- Is it worth it over a cheaper server PSU?
- If your chassis takes this module, a certified unit avoids fit and firmware problems and keeps PMBus monitoring working. A cheaper generic supply may not fit the bay or report to the BMC.
- Where is the Supermicro PWS-1K05A-1R Redundant Power Supply cheapest?
- At Supermicro eStore, for $371.02, 24% under what the other stores charge, as of our latest check.
- Where can I buy the Supermicro PWS-1K05A-1R Redundant Power Supply?
- 4 stores we checked sell it, including Supermicro eStore, Amazon, RackmountNet Store, eBay.