Introduction

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Typical Flow Diagram for Single Block Loop

All-in-one liquid coolers seem to be all the rage with several companies introducing expandable systems for integration of a system chipset or graphics cooling block to the loop. We will be exploring the performance of two of our previously reviewed coolers to see just how well those liquid coolers can handle the addition of an additional in-line graphics card block. Both the Koolance EXT-440CU Liquid Cooling System and the Cooler Master Glacer 240L Liquid CPU Cooler were used with the ASUS Poseidon GTX 780 graphics card placed in-line for testing.

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Typical Flow Diagram for Multi-Block Loop

Several key factors come into play in a liquid cooling loop that the addition of a second block effects including:

  • heat dissipation capacity of the radiator
  • flow rate of the system
  • resistance of the system components

Basically, additional liquid cooling blocks add more heat and longer tube runs to the system. This increases the amount of heat that the system must dissipate and introduces increased flow resistance to the system because of the increase of the loop size as well as the internal makeup of the added cooling blocks. The increase resistance and loop size directly effects the system flow rate and how hard the pump must work to keep the coolant flowing through the system.

For the purpose of this testing, we did not measure the liquid flow of the system directly. Rather, we measured the temperature of both components (the CPU and GPU) which directly correlates to the flow and heat dissipation capacity of the system. The ASUS Poseidon block adds little resistance to the system, besides the added length of the liquid channel, because of its simple U-loop channel internal to the block.

For additional information about the components used for this article, please see our review of the Koolance EXT-440CU Cooling System here, the Cooler Master Glacer 240L Liquid CPU Cooler here, and the ASUS Poseidon GTX 780 graphics card here.

Continue reading our analysis of Cooling capacity in a Multi-block Liquid Cooling loop!

Corsair's H75, you pay for the miniaturization

Subject: Cases and Cooling | April 28, 2014 - 03:47 PM |
Tagged: water cooling, SFF, Intel, H75, corsair, amd

Corsair's H75 has a smaller footprint than previous models, the radiator of 120 x 152 x 25mm should fit inside even smaller cases, allowing you to reduce the noise produced in the smaller case.  As well they have dropped support for LGA775, the change in mounting hardware should make it easier to install on both AMD and Intel systems.  While Morry was quite pleased with the performance of this cooler considering it's size; [H]ard|OCP had a slightly different take.  When they looked at the cooler in terms of price for performance they felt that there are better values on the market but do still recommend it for those who need a small, powerful cooler and are willing to shop around to find it on special.

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"Corsair has been in the liquid CPU cooling game for over 10 years now. As sealed system liquid CPU coolers have become the norm among hardware enthusiasts, the competition has gotten stiff to say the least. Another thing that has changed over the years is that many DIYers are going to smaller cases for their systems; the H75 looks to address this."

Here are some more Cases & Cooling reviews from around the web:

CASES & COOLING

Source: [H]ard|OCP

Introduction and Technical Specifications

Introduction

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Courtesy of SilverStone

SilverStone Technology is a well known company in the enthusiast space, offering high quality solutions from cases to case-mounted fan controllers and displays. SilverStone has also gone through several generations of CPU all-in-on liquid cooling solutions with the Tundra series being the culmination of these past designs. The Tundra Series TD03 liquid cooler is designed to cool CPUs of any make, including the latest processor offerings from both Intel and AMD. The cooler is comprised of a thick 120mm radiator attached to a uni-body aluminum CPU cooler with integrated copper base plate and pump. To best measure the TD03's performance, we set it against several other high-performance liquid and air-based coolers. The TD03 cooler comes with a retail MSRP of $99.99, putting it at the higher end of the all-in-one cooler price range.

Continue reading our review of the SilverStone Tundra Series TD03 All-in-One liquid cooler!

Manufacturer: Cooler Master

Introduction and Technical Specifications

Introduction

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Courtesy of Cooler Master

Cooler Master is known in the enthusiast community for their innovative designs with product offerings ranging from cases to desktop and laptop cooling implements. Like many other manufacturers, Cooler Master offers its own line of all-in-one liquid cooling solutions. Unique to their Glacer 240L cooler is the ability to easily add additional cooling blocks into the base loop. The Glacer 240L has an fill port integrated into the base of the radiator for drain and refill and uses removable clamps on all connections for easy maintenance and tube reconfiguration. To measure the performance of the Glacer 240L, we set it against several other high-performance liquid and air-based coolers. With a $139.99 MSRP, the Glacer 240L comes at a premium price.

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Courtesy of Cooler Master

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Courtesy of Cooler Master

Continue reading our review of the Cooler Master Glacer 240L liquid CPU cooler!

Manufacturer: ASUS

Introduction and Technical Specifications

Introduction

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Courtesy of ASUS

The ASUS ROG Poseidon GTX 780 video card is the latest incarnation of the Republic of Gamer (ROG) Poseidon series. Like the previous Poseidon series products, the Poseidon GTX 780 features a hybrid cooler, capable of air and liquid-based cooling for the GPU and on board components. The AUS ROG Poseidon GTX 780 graphics card comes with an MSRP of $599, a premium price for a premium card .

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Courtesy of ASUS

In designing the Poseidon GTX 780 graphics card, ASUS packed in many of premium components you would normally find as add-ons. Additionally, the card features motherboard quality power components, featuring a 10 phase digital power regulation system using ASUS DIGI+ VRM technology coupled with Japanese black metallic capacitors. The Poseidon GTX 780 has the following features integrated into its design: DisplayPort output port, HDMI output port, dual DVI ports (DVI-D and DVI-I type ports), aluminum backplate, integrated G 1/4" threaded liquid ports, dual 90mm cooling fans, 6-pin and 8-pin PCIe-style power connectors, and integrated power connector LEDs and ROG logo LED.

Continue reading our review of the ASUS ROG Poseidon GTX 780 graphics card!

Introduction and Technical Specifications

Introduction

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Courtesy of Corsair

Corsair expanded from a known presence in the memory space to well-respected entity in the component market, offering everything from cases to all-in-one water coolers. Their newest cooler, the Hydro Series™ H75 Liquid CPU Cooler, features a 120mm x 25mm radiator with dual fans and a copper-based water block. The H75 unit includes mounting support for all current Intel and AMD processor offerings. To gage the performance of the cooler, we set it against several other high-performance liquid and air-based coolers. With a retail MSRP of $84.99, the Hydro Series™ H75 cooler is priced to be competitive.

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Courtesy of Corsair

The Hydro Series™ H75 cooler was designed to be a "one size fits all" type cooler, having no space issues fitting in most cases including some of the larger mITX style cases. Corsair used Asetek as an OEM to assist in manufacturing the H75 and appears to be based on the Asetek 550LC all-in-one cooler. As we've seen previously with Corsair OEM products, Corsair had a hand in tweaking the cooler design to meet their performance and aesthetic expectations. The radiator in an all aluminum, thin-finned unit designed to effectively dissipate heat from the liquid medium using the two include Corsair-branded fans.

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Courtesy of Corsair

The water block is composed of a two part acrylic top piece, housing the unit's electronics and pump, held to a copper cold plate secured with an inner and outer ring of screws. The inner ring of screws are counter-sunk to prevent mating-related obstruction and was polished to a mirror-like luster.

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Courtesy of Corsair

Continue reading our review of the Corsair Hydro™ Series H75 all-in-one liquid cooler!

Manufacturer: Antec

Introduction and Technical Specifications

Introduction

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Courtesy of Antec

Antec is an established company and brand-name in the computer component space, offering quality solutions for everything from cases and power supplies to thermal paste and case-mounted fan controllers. Their latest foray is into the world of liquid cooling. The KUHLER H20 1250 is their flagship liquid cooler, featuring an all-in-one dual pump design, a 240mm x 120mm x 25mm aluminum radiator, and hardware monitoring support via the integrated USB cable and the included Antec Grid software. The KUHLER H2O 1250 comes standard with support for all current Intel and AMD CPU offerings. To gage the performance of Antec's flagship cooler, we set it against several other high-performance liquid and air-based coolers. With a retail MSRP of $109.99, the KUHLER H2O 1250 cooler comes at a premium for all the premium features it has to offer.

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Courtesy of Antec

The KUHLER H2O 1250 liquid cooler was designed for a single purpose, to keep your process as cool as possible. Antec includes two pumps with the unit, one integrated into each fan. The top pump pulls liquid through the radiator and pushes it to the CPU block through the radiator outlet, while the bottom pump pulls water from the CPU block through the radiator inlet and pushes it through the radiator towards the top pump.

Continue reading our review of the Antec KUHLER H20 1250 all-in-one liquid cooler!

Introduction and Technical Specifications

Introduction

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Courtesy of SilverStone

SilverStone Technology is a well known brand name with high quality solutions in the form of everything from cases to case-mounted fan controllers and displays. They have also gone through several iterations of CPU all-in-on liquid cooling solutions with their newest models being part of the Tundra Series. The Tundra Series TD02 liquid cooler is designed to cool CPUs of any make, including the latest offering from both Intel and AMD. The cooler is comprised of a massive 2x120mm radiator attached to a copper base plate with integrated pump. To best measure the TD02's performance, we set it against several other high-performance liquid and air-based coolers. With a retail MSRP of $129.99, the TD02 comes in at the higher end of the all-in-one cooler price range.

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Courtesy of SilverStone

Continue reading our review of the SilverStone Tundra Series TD02 all-in-one liquid cooler!

Manufacturer: Koolance

Introduction and Technical Specifications

Introduction

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Koolance EXT-440CU Liquid Cooling System
Courtesy of Koolance

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Koolance CPU-380I CPU Water Block with Intel CPU mounting plate
Courtesy of Koolance

Koolance has effectively transformed itself from a minor player in the cooling community to a powerhouse at the forefront of high performance liquid cooling products. Koolance recently released the EXT-440CU Liquid Cooling System, an apparatus integrating the cooling system's reservoir, pump, and radiator into an aluminum assembly. In addition to the EXT-440CU unit, Koolance provided us with their CPU-380I CPU water block for testing as a complete kit. We tested the Koolance kit in conjunction with other all-in-one and air coolers to see how well the Koolance kit stacks up. The EXT-440CU Liquid Cooling System retails at an MSRP of $274.99 with the CPU-380I water block available for a $74.99 MSRP. While not the cheapest solution, the adage "You get what you pay for" fits the bill for this Koolance kit.

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Koolance EXT-440CU Liquid Cooling System, side view
Courtesy of Koolance

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Koolance EXT-440CU Liquid Cooling System, rear view
Courtesy of Koolance

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Koolance CPU-380A CPU Water Block with AMD CPU mounting plate
Courtesy of Koolance

Continue reading our review of the Koolance EXT-440CU Liquid Cooling System!

Thermaltake Launches Full Tower Core V71 Case

Subject: Cases and Cooling | January 17, 2014 - 09:46 PM |
Tagged: water cooling, thermaltake, full tower, eatx, core v71

Thermaltake recently launched the Core V71, which is an attractive full tower case with a modular drive bay design and plethora of cooling options. The cold rolled steel (SPCC) chassis is all black with large mesh front and top panels. A large side panel window and LED fans show off the internals.

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The full tower Core V71 measures 23" x 9.1" x 22" (583x230x560mm) and supports E-ATX motherboards, 8 PCI slots, 185mm tall CPU coolers, up to 400mm long graphics cards (with hard drives removed, 310mm with the drives installed), two 5.25" drive bays, and eight 3.5" or 2.5" hard drives. The drive cages are tool-less and can be completely removed from the case. In fact, users can take out the drive cages and support bar to completely rid the PC of drive bays. Alternatively, users can utilize two hidden drive bays on the back of the motherboard tray to maintain a clean design without completely sacrificing 3.5" storage.

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The case has a spot for a standard ATX PSU in the bottom of the case and numerous rubber grommets for routing and hiding cables behind the motherboard tray.

As far as cooling, users can go with water cooling radiators and/or air cooling. The cooling possibilities work out as follows:

  • Top:  2 x 200mm / 140mm or 3 x 120mm
  • Front:  2 x 200mm / 140mm or 3 x 120mm
  • Rear:  1 x 140mm / 120mm
  • Bottom:  2 x 120mm

That works out to as many as nine 120mm fans or four 200mm fans and three 120mm fans if you opt for air cooling. On the water cooling front, users could put as many as two 420mm (or smaller) radiators, one 240mm radiator, and one 120mm radiator. This would be a good use case (heh) for NZXT's Kraken G10 GPU water cooling mount with allows users to cool their GPU(s) using CPU-style closed loop water coolers in 120mm and 240mm varieties or even going all out with a custom water cooling loop for every component in the system. There are a lot of possibilities with this full tower case!

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In all, the Core V71 appears to be a really nice full tower option with decent looks, tool-less bays, and ample cooling mounts. The case will be available soon with an MSRP of $160 in the US. For a new full tower that's not bad and has my interest!

Source: Thermaltake