Bought a U-NAS NSC-810 case but the 1U PSU did not not come with cables

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draetheus

New Member
Dec 7, 2023
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0
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Hoping someone can help me out here. My supermicro C3558 motherboard has 8 SATA ports, but its currently in a 4 bay supermicro ITX case. Since I'd like to use the other ports, I decided to expand to an 8 bay and found a good deal on the U-NAS case. However when finally trying to make the switch, I realized the PSU came mounted but did not come with cables! WTF! What's worse is this PSU is out of production (and has been for some time) so I am drawing a blank on what to buy (or where). This is the PSU: Seasonic SS-350M1U Modular 80Plus Gold Power Supply Review - PC Perspective
 

maes

Active Member
Nov 11, 2018
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I have a SS-300M1U I made a custom cable harness for in my old NAS build. I'll see if I can dig out the wiring diagram that Seasonic had sent me, or you can try contacting them. The 300M1U and 350M1U are probably identical, but I can't swear to it until I look at the diagram again.

I might also have the original cable harness on hand, but it's been a few years since I last saw it.
 

oneplane

Well-Known Member
Jul 23, 2021
878
533
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There are companies that specifically make PSU cable mods for all sorts of power supplies. Those are generally intended for people who want their cables to be pretty and have a color scheme or sleeving or combs or something, but they also do plain normal cables. I'll see if I can get you the link. They are not as cheap as making a cable harness but if you don't want to make one, buying it is the next best thing.

It's this company: Configurator – CableMod Global Store but it appears this PSU is not listed. You can send them an email of course, but considering the cost of the PSU (150-ish?) it might be cheaper to just buy a complete replacement. Sending an email to Seasonic might also be worth a shot, even if you have to pay them a little to get a replacement set of cables.

Edit: or get this SeaSonic 350W Power Supply SS-350M1U | eBay and you can just use the cables :p it's a pretty cheap solution. ($45)
 
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