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• Heat is energy and flows from hot to cold.
• The greater the temperature difference between the hot and the cold materials, the faster the heat flows.
• Heat flow is proportional to the contact area between hot and cold
• The greater the thermal conductivity of the material, the faster the heat flows.

Q = U x A x delta T

Where

• Q = heat transfer rate, in BTU/hr or Watts or other power units
• When the system is at steady state, this equals the power output of the CPU. Neglecting ambient losses in the tubing and reservoir, Q is the same for the radiator as for the water block. It's just going in at one point and out at the other.
• U = heat transfer coefficient, in (BTU / hr ft² °F) or equivalent units. Barring fouling or a change in flow, this will remain constant.
• A = area, in square feet This is fixed by the heat exchanger design.
• delta T = difference between the temperature of the hot stuff and the temperature of the cool stuff.
• If the change in temperature of the cooling material is significant as it passes through the water block, one should use a log-mean average for the temps in the subtraction.

Case specifications

• ATX Chassis supporting:

• AMD® single & dual processor system boards

• Intel® single and dual Pentium® 3 Xeon®, Xeon® (Foster), and Pentium® 4 processors.

• DIMENSION (W*H*D): 21" x 18 1/4 x 9"

• MAIN BOARD SIZE: MS440GX, ATX

• DRIVE BAYS: 4 / 5.25"*, 2 / 3.5"*(FDD), 3.5"*1(1.6" height)(FDD) 2 / 3.5"*(1" height), 3.5"*2(option)

• EXPANSION SLOT: 7 SLOTS

• POWER TYPE: ATX form factor (power supply not provided)

• METAL: SECC

• SHEET MECHANICAL: MEET FCC, CE

• GROSS WEIGHT: 40 lbs

Separate waterblocks have become commercially available, however, we are going to focus on one complete system designed for the sole purpose of providing the optimal environment for water cooling:

Enter the Q_uiet Power .... by Swiftech

Basis for the Swiftech Q Power is the LiteOn FS020 case, classified as an Entry Server enclosure. The Swiftech case and cooling specifications include Intel® Xeon® (Foster), Pentium® 4, AMD® Duron®/Athlon® while using the H202-B liquid cooling kit together with the MCW462-U block. A different version, suitable for Intel® Pentium® 3, Pentium® 3 Xeon, AMD® Athlon®/Duron®/K7 if the the H202-B liquid cooling kit is available in conjunction with the MCW372 Block. The entire system is showcased as an "explosion" drawing on the Swiftech site.

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