topic Re: 5420 Datasheet PSUs in Documentation https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118926#M308 <P>There are an older and new supply types. Newer have -FB suffix.</P> Tue, 10 Jun 2025 06:22:08 GMT Adam_Minowski 2025-06-10T06:22:08Z 5420 Datasheet PSUs https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118912#M306 <P>If they are all "Front to back" then what are the different models for? e.g.</P><P>XN-ACPWR-150W vs XN-ACPWR-150W-FB</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="jeronimo_1-1749301055579.png" style="width: 400px;"><img src="https://community.extremenetworks.com/t5/image/serverpage/image-id/8867i60203497B7ACFB1F/image-size/medium?v=v2&amp;px=400" role="button" title="jeronimo_1-1749301055579.png" alt="jeronimo_1-1749301055579.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Sat, 07 Jun 2025 12:58:06 GMT https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118912#M306 jeronimo 2025-06-07T12:58:06Z Re: 5420 Datasheet PSUs https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118926#M308 <P>There are an older and new supply types. Newer have -FB suffix.</P> Tue, 10 Jun 2025 06:22:08 GMT https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118926#M308 Adam_Minowski 2025-06-10T06:22:08Z Re: 5420 Datasheet PSUs https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118933#M310 <P>So for these models there is no Back-to-Front airflow PSU?</P> Tue, 10 Jun 2025 09:13:49 GMT https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118933#M310 jeronimo 2025-06-10T09:13:49Z Re: 5420 Datasheet PSUs https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118944#M311 <P>Hello,</P><P>You can find all info in the "<A class="" href="https://documentation.extremenetworks.com/5420%20Series%20Hardware%20Installation%20Guide/Universal_Hardware/5420_Series_Hardware_Installation_Guide/new_in_this_guide.shtml" target="_blank" rel="noopener">5420 Series Hardware Installation Guide</A>".<BR />Fans and FSU are FtB.</P><P>regards<BR />WillyHe</P> Tue, 10 Jun 2025 20:31:35 GMT https://community.extremenetworks.com/t5/documentation/5420-datasheet-psus/m-p/118944#M311 WillyHe 2025-06-10T20:31:35Z