MCW20™ series Chipset water-blocks for AMDŽ & IntelŽ platform motherboards Made in the USA  Features Introducing the MCW20™ series of extreme duty water-blocks designed for high front side bus frequency chipsets. This line of products is specifically intended to minimize flow restriction. Extreme performance 1/2" OD tubing for optimal flow rate Completely hollow chamber to minimize pressure drop (flow restriction) Plug-and-Play, hassle-free installation: Hooks directly to Intel® platform chispets without removing the motherboard with a safe hook/spring assembly Thru-motherboard installation for AMD® platform chipsets with slotted brackets for compatibility from 2.05" (52.1mm) to 2.41" (61.4mm) center to center distance between mounting holes. Tool-free quick-connect fittings built into the block Retention mechanisms included for both Intel & AMD platforms Two body colorsavailable: blue anodize, or black anodize   Click on picture to enlarge Example of installation on an AMD® platform, including MCW5000-A™ CPU cooler, MCW20-A™ chipset cooler, and MCW50 VGA™ cooler Click on picture to enlarge Example of installation on an Intel® platform, including MCW5000-P™ CPU cooler, MCW20-P™ chipset cooler, MCW50-FX5900 VGA™ cooler, and dual MCR80-F radiators connected in parallel Known Compatibility list for system integration Manufacturer Model Abit NF7-S Rev 2 Abit IS7 Abit IC7-G MAXII AOpen AX4SG Max Asus P5AD2 series Asus A7N8X Asus P4C800E Asus P4P800E DFI Lan party NFII Epox 8RDA+ Gigabyte GA-8INXP   Important notification to users: due to the extreme variety existing among chipset retention mechanisms, as well as location of the chipset relative to the CPU and/or other components, Swiftech simply cannot keep track of all motherboard configurations, and guarantee compatibility. As a result, Swiftech's customer service will respond to specific queries with respect to motherboard compatibility by referring users to this page. It is the responsibility of the user to determine compatibility based on the information provided below. Back to top Overall quality & attention to details Exceptional quality and attention to details: the copper base is lapped to 0.0003" (3/10 of 1/1000"), and polished to near-mirror finish to promote optimum thermal conductivity. Users are advised that while flatness is strictly respected for providing the most significant benefit to thermal interface, surface polish is a cosmetic component and may vary slightly from one heatsink to another. Re-lapping or polishing the copper base is never recommended. The MCW20-P™ for Intel platforms is shipped with neoprene pad stabilizers. These are used for two purposes: stabilize the heatsink, and minimize the risk of damaging the processor core upon installation. Below are examples or when to use the pads, and when NOT to use the pads: Pads needed (shown installed) Pads not needed   back to top Specifications Specifications MCW20™ Baseplate Copper C110 Æ 2" (50,8mm) 0.250" (10mm) thick lapped flat to 3/10 of 1/1000", and near mirror polished. Housing CNC machine aluminum, Type II, class 2 blue anodized anticorrosion treatment Built-in quick-connect fittings for 1/2" OD tubing (3/8" ID) Assembly height 1.5" Weight  8.4 oz - 238 g Tubing compatibility: 1/2" OD (3/8" ID), Tube inserts included for use with soft vinyl tubing. Part #TSI375 back to top Compatibility and retention mechanisms For AMD® platforms: thru-motherboard bolts, and springs. Springs are compressed by a knurled knob, and feature a compression limiter. Installation requires removal of the motherboard. Bracket design affords compatibility with various chipset models. Compatibility: center to center distance between mounting holes ranges from 2.05" (52.1mm) to 2.41" (61.4mm). Note that due to wide variations in motherboard manufacturers retention solutions, users are advised to check their motherboard retention mechanism prior to upgrading. back to top For Intel® platforms : Two spring loaded hooks engage into Intel-validated solution (wire loops). Installation does not require removal of the motherboard. The hooks engage into two diagonal loops. Spring force is controlled by tension limiters to provide the exact amount of pressure necessary for a safe installation, as well as full compliance with loop mechanical strength. Compatibility: center to center diagonal distance between loops is adjustable from 3.18" (80.7mm) to 2.88" (73.2mm) Chipset compatibility includes but is not limited to i875™ and i865™ chipsets. Note that due to wide variations in motherboard manufacturers retention solutions, users are advised to check their motherboard retention mechanism prior to upgrading. back to top Optional Fittings Description Part # Picture 1/2" Stem to 1/2" tube ID hose barb PI251616S 1/2" Stem to 3/8" tube ID hose barb PI251612S 1/2" Stem to 3/8" tube OD quick-connect PI061612S back to top Manufacturer Suggested Retail Pricing Please consult your Swiftech distributor prior to ordering direct from us, or purchase the product factory direct here Model Description Retention Hardware & accessories MSRP in US$ MCW20-B™ - Blue Blue Water-block Both Intel & AMD included $39.95 MCW20-K™ - Black Black Water-block Both Intel & AMD included $39.95 Accessories MCW20-A-RK Retention hardware kit for AMD® platforms $4.00 MCW20-P-RK Retention hardware kit for Intel® platforms $4.00 Back to top