Subject: Cases and Cooling | June 13, 2018 - 07:39 PM | Tim Verry
Tagged: thermoelectric, TEC, liquid cooling, cooler master, computex 2018, computex, AIO
In addition to cases and massive amounts of RGB Cooler Master had a prototype closed loop cooler on display at Computex that combines an all in one liquid cooling loop with a TEC element that cools the water to sub-ambient temperatures.
TechPowerUp snapped photos from the show floor.
Thermoelectric coolers aren't anything new (and this isn't Cooler Master's first foray with TECs), but the hybrid approach is an interesting one. The AIO loop appears to work like a water chiller cooler would with the TEC not having direct contact with the processor but rather it is used to give the single 120mm liquid loop radiator a boost by pulling lots of heat out of the water before hitting the radiator. According to Computex attendees the loop order flows from the CPU block to the TEC element where water is passed across one side of the side and the other hot side is cooled by a large heatsink which uses four heatpipes and dual fin stacks along with two fans in a package about the size of a 240mm radiator. From there, the chilled water passes through a traditional water cooling radiator and then the cool water goes to the CPU block.
The thermoelectric cooler uses the Peltier effect where electricity (DC) is passed between an array of thermocouples that sit between two layers (usually ceramics) creating an effect where heat is drawn from one side to the other with the cool side able to be cooled below ambient temperatures while the hot side needs to be cooled by a heatsink to prevent it from overheating and reducing efficiency and/or damaging the materials.
According to PC World, Cooler Master has stated that their prototype TEC will be rated at 300W TDP which is quite a bit higher than the approximately 180W of a 240mm traditional AIO. Gordon Mah Ung was able to perform some cursory testing with a FLIR camera attached to his smartphone where he saw the cooler demonstrate its ability to cool the water used in the loop 10 to 15-degrees below ambient where it was around 80°F (~26.7°C) in the packed Computex show floor and 64 to 70°F for the water as measured by the FLIR when pointing at the radiator and tubing. Further, Cooler Master had a temperature probe at the CPU block where it measured 20°C (likely no heat load as no processor was hooked up heh). This boosted cooling performance does come with a tradeoff, however. The TEC's hot side will need to be cooled (noise) and the TEC itself will draw as much as 150W of power (it will use standard connectors that a PC PSU can drive) in order to work its cooling magic (so higher electricity usage/cost).
My first thought was that the hybrid cooler could prove useful in a SFF system by offering cooling potential that would just otherwise not be possible in the form factor with the thinking that the cooler would not need to cool to crazy low temperatures, but just enough to match the performance of a much larger water cooling loop. Gordon Mah Ung from PC World also posits that the cooler would be useful in situations where ambient temperatures are very high (say, summer months in the south with no or underpowered AC) as the TEC would be able to keep processor temperatures in check (allowing enthusiasts to maintain their overclock or at least keep stock clocks and Turbo Boost without thermal throttling) where air cooling or water cooling cannot as the best they can do is cool to ambient.
Apparently, the hybrid cooler will also be able to push things if you do want to go for higher overclocks for benchmarking runs or improved gaming performance.
One concern with thermoelectric and other sub-ambient cooling methods is condensation which can build up on the outside of cool parts like the tubing and blocks and can potentially cause instability or damage to PC components. Traditionally, the tubing and area around the CPU socket would need to be insulated to protect from this. Cooler Master's design, I don't think, is immune to this but by moving the TEC away from the processor and using it to cool the water (so no direct contact), it is allegedly much less of an issue and if the TEC is just used to provide a bit of a boost to the water loop rather than going for as low temperatures as possible the risk should be minimal.
There is no word on specific pricing or release dates, but several sites are reporting that it will be available later this year with "competitive pricing". I would guess this cooler is going to be at the high end of water cooling AIOs and expandable kits at minimum which is to say probably around $300+. (Looking on Amazon, EKWB kit with 360mm radiator is $370, you can find kits with 240mm radiators for between two-to-three hundred dollars, and a used custom loop starts around there if you find a forum deal.)
What do you think about this cooler? I am interested in seeing the reviews on this and whether it is able to combine the best of both water and TEC cooling worlds.
- CoolIt Systems Freezone Peltier CPU Cooler Review (2006) by Lee Garbutt @ PC Perspective
- Phononic's New Hex 2.0 TEC Is CPU Cooling Alternative For SFF Systems
- It's been a long time since we've seen a Peltier cooler
Subject: Cases and Cooling | July 9, 2016 - 05:57 PM | Tim Verry
Tagged: thermoelectric, SFF, air cooling, TEC, mini ITX, phononic
An interesting cooling option for small form factor systems popped up in my email recently that is a new twist on an old technology. A company called Phononic has developed the Hex 2.0 which is a compact heatsink that pairs a tower air cooler with a TEC baseplate. At 810 grams and measuring 125 mm tall, the Hex 2.0 is Mini ITX friendly and is claimed to be competitive with closed loop water coolers with up to 240mm radiators (more on that below).
Hex 2.0 uses many of the same high quality components and design choices of traditional tower air coolers. A shrouded 92mm fan is sandwiched between two aluminum heatsinks with 40 fins each. There are eight 6mm heatpipes that pull heat from the hot side of the thermoelectric (TEC) cooler and dissipate the heat. The TEC (which has a copper baseplate) uses an electric current and two dissimilar conductors and the principle of electron transport to pull heat from the “cold side” of the cooler to the “hot side” of the cooler. That hot side then needs to be cooled, and Phononic has chosen to use a tower air cooler for the job (people in the past have also paired TECs with water loops). The TEC is the notable bit about the Hex 2.0, and is what allows the small heatsink to offer as much cooling performance as it does in such a small package.
Hex 2.0 has connections for a 4-pin CPU_Fan connector, Mini USB for software monitoring and control, and a 6-pin PCI-E power connector. The four pin controls the 92mm fan which typically idles at 1000 RPM but can max out at 2,650 RPM, 33 dBA, and 44 CFM. The Mini USB connects to the motherboard and users can use a dashboard application to monitor the cooler, choose a cooling mode (to balance noise and performance), and control the LEDs on the cooler. The 6-pin connector powers the TEC cooler which appears to be capable of drawing up to 35W of power. The fan is able to spin down to zero RPM when the processor is not under load as the TEC and heatsink is able to pull and dissipate enough heat without the fan though the exact point where it would need to turn on will depend on your case and its own airflow.
Interestingly, this product is already available and reviews have already been posted around the net. According to TweakTown, the Hex 2.0 does indeed compete with 120mm liquid coolers such as the Silverstone Tundra TD03 (which is a decent cooler that I’ve used before) and Antec Kuhler H20 1250 (I’ve not tested that one but Morry did a full review of it). When placed in “insane mode” and the fan is allowed to spin up to maximum RPMs, the Hex 2.0 thermoelectric cooler actually beats the 240mm Corsair H100i GTX in quiet mode. While it will be louder, that is pretty impressive to see a 92mm fan HSF up there in cooling performance with a much larger water cooler!
This cooler is nicely packaged in a silver aluminum and black nickel plated aesthetic. Cooling performance seems to make it a possible alternative cooling option for SFF builds that can give you similar cooling performance in a case where a pump and radiator would be difficult or impossible for fit. That’s the upside. The downside to this cooler is the price. At $149.99, this is going to be a tough sell though it is not entirely unexpected considering the niche nature of it. The 1 year warranty leaves a lot be desired as well, I would have liked to see something a bit longer especially at that premium price.
What are your thoughts on this pint sized TEC(h)?
Subject: Cases and Cooling | May 23, 2014 - 03:29 PM | Jeremy Hellstrom
Tagged: peltier, TEC, V3 Components, Voltair
Peltier cooling, also called Thermoelectric cooling, has been around for a long time and briefly enjoyed popularity with overclockers as a way to cool high end CPUs. After heatpipes and other less complicated cooling systems became more effective and as TDP slowly dropped they disappeared from the mainstream market. V3 Components just changed that with the release of the massive Voltair TEC which combines TEC with an impressive heatsink. The cooler measures 167 x 120 x 172mm (6.69 x 4.72 x 6.77") and weighs in at 1.45kg which limits the cases it can fit in as well as causing some concern about having your board bend under the weight. It is compatible with all current AMD and Intel processors and provides decent cooling when compared to watercooling. In their testing Legit Reviews also simulated running the cooler without the benefit of TEC and found that the temperatures increased a mere 3 degrees Celsius which does raise the question of the necessity of including TEC. Read on to get the full story.
"We have taken a look at many different types and brands of CPU coolers over the years, with each manufacturer coming up with their own unique way to control the massive amounts of heat your CPU can throw off. A new company, called V3 Components, wants to start off by introducing a cooler with little used technology called Thermoelectric Cooling (TEC) – We’ll get more into the specifics on that in a bit. Basically what V3 is targeting is your liquid CPU coolers, stating that this cooler should be as good as or better than the AIO liquid cooling kits on the market today; not to mention safer due to no liquid..."
Here are some more Cases & Cooling reviews from around the web:
- Noctua NH-D15 CPU Cooler Review @HiTech Legion
- Cryorig R1 Ultimate CPU Cooler Review @HiTech Legion
- be quiet! Dark Rock 3 CPU Cooler @ Kitguru
- Raijintek THEMIS Evo CPU Cooler Review @ Modders-Inc
- Noctua NH-D15 cpu cooler @ Hardwareoverclock
- CRYORIG R1 Universal @ techPowerUp
- EVERCOOL HPL-815 Low Profile CPU Cooler @ Funky Kit
- Cooler Master Nepton 280L CPU Cooler Review @ Madshrimps
- Reeven Justice RC-1204 CPU cooler @ Bjorn3d
- Corsair Hydro Series H105 @ techPowerUp
- LarKooler SkyWater 330 DYI Kit Review @ Madshrimps
- Thermaltake Water 3.0 Pro Liquid CPU Cooling System @ NikKTech
- NZXT Sentry 3 Fan Controller Review @ Techgage
- Fractal Design Node 804 Micro ATX Case @ Benchmark Reviews
- Antec P100 Midi Tower @ NikKTech
- Cougar MX500 @ techPowerUp
- SilverStone Milo ML06 @ Phoronix
- Phanteks Enthoo Pro @ Kitguru
- Phanteks Enthoo Pro Tower Case @ Benchmark Reviews
- Corsair Obsidian 250D and SilverStone Sugo SG05-450 Cases Review: Mini-ITX for Gamers @ X-bit Labs
- Thermaltake Commander G41 Mid-Tower Chassis Review @ Modders-Inc
- NZXT Phantom 240 Mid-Tower @ eTeknix
- BitFenix Shadow Tower Case @ Kitguru
- Lian Li PC-Q07B Mini-ITX Case @ Benchmark Reviews