Cascade Units?

[jo2007]

Curious to see if anyone still benches with cascade units, i dont see much users here testing with them its mainly ln2, water, tuniqtowers or SS.

(new here so i'm a noobie :) )

Thanks!

[Big SturL]

Overklokk did his WR's with three cascades.

[wdrzal]

Curious to see if anyone still benches with cascade units, i dont see much users here testing with them its mainly ln2, water, tuniqtowers or SS.

(new here so i'm a noobie :) )

Thanks!

Welcome, then I quess you have a lot of threads to read to get up to speed;)

[Brettbeck]

Cascades have their advantages and disadvantages. They probably aren't as common as D-ICE and LN2 but they are a really easy way to go about cooling below -100c :). ANd you can adjust temps as you want them in some.

[Stapler]

Hipro's 100k run was done with Ln2 on the CPU but cascades for the GPUs. As far as I know Shamino also still benches with cascade, and as Big Sturl said Overklokk uses three cascades as well. I think the issue with cascades is that they've got a high initial price point, and they don't always offer the same performance as DIce and especially LN2. Still, controlling three pots is a :banana::banana::banana::banana::banana:, so cascades definately have their place among extreme cooling.

[wdrzal]

Cascades have their advantages and disadvantages. They probably aren't as common as D-ICE and LN2 but they are a really easy way to go about cooling below -100c :). ANd you can adjust temps as you want them in some.

Dry ice(CO2) has a surface temperature of -78.5C as it sublimates,many cascades hold a better load than that. LN2 is a different story.

[blind_ripper]

Dry ice(CO2) has a surface temperature of -78.5C as it sublimates,many cascades hold a better load than that. LN2 is a different story.

i have to quote u there m8 .
with quad the load on the small evap is to big and my cascade needs rebuild for quad-core cooling :D .
on the othere eind ure right , but dice (the pot) u bench on hass lot more mass and thats making differens in load temps .
but cascade arnet cheap and use lots off power :D , but ones u have it u will love it . no refilles or need for something .
just mount en plug it in :p:

[wdrzal]

you guys I believe have a false impression on the effects of mass. I believe in many instances the temp probe is placed in the middle of a high mass area,then the mass acts like a insulator keeping temps from fluctuating or (stable) which looks good. measuring the temperature of the container or evaporator is not measuring the sensible heat being removed. mass does not make the temperature lower than the refrigerant ,its does hold a small amount of specific heat which does matter and may keep temps from rising for a very short period. a good conductor is a poor insulator,as is a poor insulator a good conductor.

specific heat capacity is the amount off heat to change 1 kilogram of the substance 1 degree kelvin. water has a specific capacity of 4.187 Kj/Kg/K copper has a specific heat capacity 0.398 Kj/kg/k as you can see compared to water, copper holds little specific heat.

[LittleDevil]

Curious to see if anyone still benches with cascade units, i dont see much users here testing with them its mainly ln2, water, tuniqtowers or SS.

(new here so i'm a noobie :) )

Thanks!

There is a lot of OC users with cascade cooling... When you get new mobo or cpu, cascade is really recomended that you see limits of your system and than you use LN2 for finish :p:

regards

[Brettbeck]

Dry ice(CO2) has a surface temperature of -78.5C as it sublimates,many cascades hold a better load than that. LN2 is a different story.

What I was referring to was that a lot of people opt for using D-ICE because it's cheaper than cascades. Although you could probably get a cheap co2 cascade that would be almost identical performance, but probably hold temperatures better. And no re-filling :D.

[Blaster]

Dry ice(CO2) has a surface temperature of -78.5C as it sublimates,many cascades hold a better load than that. LN2 is a different story.

The quad cores are pushing the limits of the LN2 benching, for this cpus benching with a properly made and tuned cascade might yeld better load temps.

Ive heard of pots with LN2 reaching -70 with the 4 cores loaded and it seems most pots hold the 4 cores at around -95.

[Stapler]

No for quad core you really do want DIce or LN2, but not all pots are created equal. Both the rev. 3 mousepot and KP's evo can hold quadcores at 5ghz for '06. OPB, Kinc and KP have all benched 5ghz quadcores while controlling two other pots for the GPUs. Now maybe not all pots can hold the load so well, and most benchers certainly aren't good enough at pouring LN2 to stay on top of three pots, especially with cold bugs involved. That's when cascades are very useful, it's a hell of a lot easier to mount a pot on the CPU and two cascades on the GPUs that LN2 on everything. Moreover because it's easier to control with two cascades, you can get an overall higher score because you can focus more on the CPU and still get pretty similiar GPU clocks. Clearly both have their drawbacks and strengths, so I don't think you can make blanket statements about which is superior.

Walt, the idea isn't to have an extremely massive pot, but to find a balance between surface area and mass such that you can control the pot's temperature very easily to keep it right in the cold bug range. Too massive a pot and the temperature won't respond well, too much surface area and it'll have temperature swings when you pour in LN2, both are equally undesirable, the key is to find a balance. And yeah, pot temps aren't an indicator of CPU temps, they're for controlling the cold bug. Or atleast that's how MM explained it to me:D

Personally I've got a DIce pot right now for my CPU from MM, but this summer I plan to build both GPU pots and an SS.

[4Qman]

There is a lot of OC users with cascade cooling... When you get new mobo or cpu, cascade is really recomended that you see limits of your system and than you use LN2 for finish :p:

regards


I Most certainly Agree,