SilverStone launches high-quality PCIe 4.0 (x16) riser cable

by Hilbert Hagedoorn on: 08/16/2021 09:08 AM | source: | 19 comment(s)

As reported in a global press release issued in July , 2021 the PCI-Express4.0 (x16) riser cable with support for PCI-Express4.0 (x16), has now been released.

It makes use of a high-quality ribbon cable that is lightweight and easy to handle. It is possible to use it without affecting the performance of the graphics card by mounting a high-performance EMI shield and using a reinforced connector that increases durability.

The external dimensions are 117 mm wide, 263 mm deep, and 9 mm high, with a cable length of 220 mm. The cable has an internal diameter of 9 mm. The cable is priced 85 EUR/USD.

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Mineria
Senior Member

Posts: 5527
Joined: 2007-05-05

#5938479 Posted on: 08/16/2021 04:53 PM

I'm aware. I'm asking what makes gen4 risers physically different. As @Mineria pointed out, there's better shielding, but what makes the wires "better" unless they switch to a different metal, like silver? Seeing as some people seem to suggest you still need to step down to gen3, that to me tells me the wires aren't really a whole lot better.

You do not need silver to improve a wire, using a thicker wire and/or improving the alloy is enough, think speaker wires and the like, besides adding more separation.
PCI-E gen. 4 wires should also have a pair of ground wires together with each pair of wires, means that there are 4 wires wrapped with shielding in each, so manufacturing cost is a tad higher.
I doubt that the production costs are a lot higher though, so atm. they can ask what ever since there isn't a lot of competition.
I wouldn't go for Silverstone's offer though, have seen some others of way better quality.

EDIT: Did search around a bit and found that gen 3 has a resistance differential @100Ω, gen 4 @85Ω.
A riser cable has to meet the same standard as manufacturers use for the pcb difference between the two, I still think that those with thicker wires are better though.
If you look at the one in the article you only got one row of wires across the connectors, while some others got two rows.

fern374702
Junior Member

Posts: 16
Joined: 2014-06-28

#5938599 Posted on: 08/17/2021 02:40 AM

True, considering vertical GPU end up with worse temps.

Mineria
Senior Member

Posts: 5527
Joined: 2007-05-05

#5938687 Posted on: 08/17/2021 11:31 AM

i agree with that. instead of letting the generated heat dissipate using the correct gpu position.. the heat is accumulated in the gpu pcb due to the side way orientation the VRM heatsink is also affected.

the risers are only good if your using those silverstone MINI ITX cases for HTPCs.
It all depends on which options there are airflow, with an air cooled GPU I had overall better system temps when it was mounted vertically in a Corsair Air 540.

Venix
Senior Member

Posts: 2849
Joined: 2016-08-01

#5938791 Posted on: 08/17/2021 05:00 PM

i would argue about temps and alignment of the card .... a lot of the cards throw the heat side ways .... so half of it will rise on the natural way ...upwards .... while in theory a card should be cooler on the normal orientation but i bet my butt off that in reality the difference might not even register on the thermometer and if it does it will for like 1-2 Celsius max on a well ventilated case

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