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SilverStone NJ700 power supply unit with a capacity of 700W is fanless
SilverStone announced their NJ700 fanless power supply unit with a capacity of 700W, this is a rather efficient 80 PLUS TITANIUM certified product.
The ATX power supply has a capacity of 700W that enables fanless drive by providing wide ventilation holes on 5 sides excluding the bottom part.
It is an ultra-high efficiency model that has acquired 80PLUS TITANIUM certification, and the connector is a fully modular specification with a flat cable. In addition, all capacitors are highly durable products made by Japanese manufacturers, enabling stable power output of ± 2% or less. + 12V is a single lane (58A) design, and there are five types of protection circuits: overcurrent protection, overoutput protection, overvoltage protection, overheat protection, and short-circuit protection. It also has an Active PFC circuit (PF> 0.95 / at full load) that improves the power factor.
The number of connectors is ATX 20 + 4pinx1, CPU 4 + 4pinx2, PCI-Express 6 + 2pinx4, SATAx12, 4pin peripheral x6, FDD 4pinx1. External dimensions are width 150 mm, depth 170 mm, height 86 mm, weight 2.3 kg, ambient temperature up to 45 ° C, MTBF 100,000 hours.
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Drazen
Member
Posts: 28
Joined: 2020-04-08
Member
Posts: 28
Joined: 2020-04-08
#5881126 Posted on: 01/25/2021 10:53 PM
Well, Titanium means efficiency 90 - 94%.
If PSU is running at 600W this means 36W is lost as heat. Ok, it is not lost in single device but x570 chipset is 15W and has fan for cooling.
Cause PSU does not have fan it relies on case to provide cooling what will be difficult with some cases. Eg my Fractal has almost isolated PSU at bottom.
Well, Titanium means efficiency 90 - 94%.
If PSU is running at 600W this means 36W is lost as heat. Ok, it is not lost in single device but x570 chipset is 15W and has fan for cooling.
Cause PSU does not have fan it relies on case to provide cooling what will be difficult with some cases. Eg my Fractal has almost isolated PSU at bottom.
Trihy
Senior Member
Posts: 158
Joined: 2016-08-07
Senior Member
Posts: 158
Joined: 2016-08-07
#5881175 Posted on: 01/26/2021 01:44 AM
Nice to see fanless design.
But without a little airflow, temps tend to sooner or later get out of control.
An optional super low rpm, like 500rpm, will be completely silent and lower the temp by a good margin.
Nice to see fanless design.
But without a little airflow, temps tend to sooner or later get out of control.
An optional super low rpm, like 500rpm, will be completely silent and lower the temp by a good margin.
Venix
Senior Member
Posts: 2517
Joined: 2016-08-01
Senior Member
Posts: 2517
Joined: 2016-08-01
#5881247 Posted on: 01/26/2021 08:19 AM
Well, Titanium means efficiency 90 - 94%.
If PSU is running at 600W this means 36W is lost as heat. Ok, it is not lost in single device but x570 chipset is 15W and has fan for cooling.
Cause PSU does not have fan it relies on case to provide cooling what will be difficult with some cases. Eg my Fractal has almost isolated PSU at bottom.
Yes you are right , although you did not factor in the surface the x570 is a tiny chip and all 15 watts are all "cramped" over there , meanwhile the heat generated on a psu is not on just one component so the surface and volume in the psu to absorb the heat are vastly bigger in a psu , also depends how big of a heatsink you can smack on to of those .
Well, Titanium means efficiency 90 - 94%.
If PSU is running at 600W this means 36W is lost as heat. Ok, it is not lost in single device but x570 chipset is 15W and has fan for cooling.
Cause PSU does not have fan it relies on case to provide cooling what will be difficult with some cases. Eg my Fractal has almost isolated PSU at bottom.
Yes you are right , although you did not factor in the surface the x570 is a tiny chip and all 15 watts are all "cramped" over there , meanwhile the heat generated on a psu is not on just one component so the surface and volume in the psu to absorb the heat are vastly bigger in a psu , also depends how big of a heatsink you can smack on to of those .
TheDeeGee
Senior Member
Posts: 7996
Joined: 2010-08-28
Senior Member
Posts: 7996
Joined: 2010-08-28
#5881305 Posted on: 01/26/2021 12:09 PM
Well, Titanium means efficiency 90 - 94%.
If PSU is running at 600W this means 36W is lost as heat. Ok, it is not lost in single device but x570 chipset is 15W and has fan for cooling.
Cause PSU does not have fan it relies on case to provide cooling what will be difficult with some cases. Eg my Fractal has almost isolated PSU at bottom.
I have the PSU in my Define 7 mounted with the fan up, and it never spins up. While it did spin up with the fan down.
So i'm sure a Fanless PSU will work fine there as well.
Just buy a case with a vented PSU shroud.
Well, Titanium means efficiency 90 - 94%.
If PSU is running at 600W this means 36W is lost as heat. Ok, it is not lost in single device but x570 chipset is 15W and has fan for cooling.
Cause PSU does not have fan it relies on case to provide cooling what will be difficult with some cases. Eg my Fractal has almost isolated PSU at bottom.
I have the PSU in my Define 7 mounted with the fan up, and it never spins up. While it did spin up with the fan down.
So i'm sure a Fanless PSU will work fine there as well.
Just buy a case with a vented PSU shroud.
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Senior Member
Posts: 565
Joined: 2016-05-24
I already have 600W, im glad if it getting better, more performance i hope with same thermal footprint, but who knows, we need more reviews of these components..