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Guru3D Rig of the Month - March 2021
Seasonic Presents the PRIME Ultra Power Supplies
As graphics cards and motherboards become more efficient, their ever-decreasing power consumption has called for a new power rating variant. The introduction of the PRIME Ultra 550 W Platinum- and Gold-rated units is an answer to these current market trends.
The PRIME Ultra 550 W in many cases will even provide high enough power to reserve some headroom for future expansion. Customers will find new additions in the retail box of the upcoming PRIME Ultra Series.
- Seasonic has included a PSU tester in the box that will let consumers perform a quick and easy jump start on the power supply. When a system is not working properly, it can be particularly difficult to tell the difference between a faulty power supply and other components. With the help of the PSU tester, users will be able to verify whether the new power supply is working properly.
- Each PRIME Ultra Series power supply will also ship with a SATA 3.3 adapter to support the “Power Disable” (PWDIS) feature of the newer, high-capacity hard drives. This is an important feature for people who are planning to use the PRIME Ultra to power hard drives of a smaller-scaled server at home or in an office.
Some design updates of the PRIME Ultra power supplies further optimize usability.
- One of the most noticeable of the upgrades is that the inline capacitors on the cables were removed, which takes away from the bulk and improves cable management inside the system.
- The new 180 degree SATA connectors will ensure more flexibility and easier installation.
The exciting features of the PRIME Ultra Series can be summarized as follows:
- Ultra-quiet operation – thanks to the upgraded high-end capacitors and the quiet FDB fan driven by Seasonic’s Premium Hybrid Fan Control.
- Low ripple noise and clean power output – due to high-end components
- Compact size to fit smaller cases – 140 mm depth on the lower wattage Gold and Platinum units
- 12 years warranty
Please note that the exact release time of the PRIME Ultra Series varies per region and per wattage.
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JamesSneed
Senior Member
Posts: 1142
Joined: 2017-02-14
Senior Member
Posts: 1142
Joined: 2017-02-14
#5473653 Posted on: 09/20/2017 03:08 PM
Its like my 14 year old self was allowed to name the power supply. Im sure its a good power supply almost all Seasonic's are.
PRIME Ultra 550 W Platinum
Its like my 14 year old self was allowed to name the power supply. Im sure its a good power supply almost all Seasonic's are.
PRIME Ultra 550 W Platinum
Raider0001
Senior Member
Posts: 446
Joined: 2006-11-25
Senior Member
Posts: 446
Joined: 2006-11-25
#5473667 Posted on: 09/20/2017 03:48 PM
Oh man I have been running 275W TDP R9 390 with factory overclock on a way worse cheap as chips 600W PSU, this tho The PRIME Ultra - it will handle Vega 64 for eternity
Not enough power if you own a Vega 

Oh man I have been running 275W TDP R9 390 with factory overclock on a way worse cheap as chips 600W PSU, this tho The PRIME Ultra - it will handle Vega 64 for eternity
CrazY_Milojko
Senior Member
Posts: 2066
Joined: 2013-02-26
Senior Member
Posts: 2066
Joined: 2013-02-26
#5473680 Posted on: 09/20/2017 04:28 PM
It's going to be enough for Vega for sure. My bet out of these 550W total of 535-540W are for +12V rail(s), probably it's a single rail PSU, dual-rail at max (knowing how Seasonic is doing their PSUs in 450-700W range), so 44-46 Amps or so total on +12V so it's going to be enough for even OCed Vega 64. Also I'm also 100% sure this Seasonig PSU under the hood has at least 650W rated electronics, probably even higher than that.
Only thing I don't wanna know about it is the price
Not enough power if you own a Vega 

It's going to be enough for Vega for sure. My bet out of these 550W total of 535-540W are for +12V rail(s), probably it's a single rail PSU, dual-rail at max (knowing how Seasonic is doing their PSUs in 450-700W range), so 44-46 Amps or so total on +12V so it's going to be enough for even OCed Vega 64. Also I'm also 100% sure this Seasonig PSU under the hood has at least 650W rated electronics, probably even higher than that.
Only thing I don't wanna know about it is the price

tsunami231
Senior Member
Posts: 11530
Joined: 2003-05-24
Senior Member
Posts: 11530
Joined: 2003-05-24
#5473682 Posted on: 09/20/2017 04:31 PM
12 year warrenty?? i think i found the psu i going after when this one goes well providing the entry for it isnt costing a leg
12 year warrenty?? i think i found the psu i going after when this one goes well providing the entry for it isnt costing a leg
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Not enough power if you own a Vega