EPSILON HD6990 FULL COVER VGA WATERBLOCK
 High gloss upper surface reflecting a graphics card overhead Mirror finish chrome plating reflecting a graphics card overhead Installed on the Radeon HD6990 Single slot PCI bracket Fully installed with stock back-plate and GPU cross-brackets |
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Part Number: EPSILON-HD6990
Bulk shipping information: 8 Pcs/Ctn
Designed in the USA
ROHS Compliant
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Product Description
Named after the Epsilon Aurigae binary star system, the Epsilon series of waterblocks are single slot, full cover liquid cooling solutions for dual GPU graphic cards. "Full cover" means that the waterblock cools both GPU's, Voltage Regulators, I/O chip, memory modules, and other critical components.
The Epsilon HD6990 is specifically designed for AMD Radeon HD6990 reference design graphics cards. A true Full Cover and Extreme Performance Cooling Solution, the product covers the entire PCB and utilizes all the stock mounting holes, thus preventing destructive warping of the printed circuit board.
Tab 1
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Thermal Performance
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- Superior thermal performance at the GPU level thanks to our embedded 0.6x0.6mm thin-pin matrix located directly above the GPU area.
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High thermal conductivity thermal pads already pre-applied in the memory areas.
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Voltage Regulators in direct contact with the cold plate pedestals for vastly superior heat transfer compared to thermal pads (up to 20 Degree C difference) - non conductive Arctic Ceramique thermal compound included.
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Flow Performance
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- Moderate flow restriction by design to take into account multiple water-blocks in the same loop.
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Safety
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True full-cover waterblock: the block covers the full length of the card and utilizes all the original circuit board mounting points; this results in superior thermal interface with all the components, but more importantly prevents bending and/or damage to the card .
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Stainless-steel standoffs provide safe and reliable installation method even to beginners.
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Build Quality
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Special User Features
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Single-slot, factory-spec design PCI bracket included, frees up an extra PCI slot.
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Elegant highly reflective black face sticker.
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Other features
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- Designed to work with the excellent stock Radeon back-plate, and GPU cross-brackets.
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Tab 2
Click on picture to Enlarge
Tab 3
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- CPU & memory cold plate: Precision machined & chrome plated C110 copper, with two 0.6x0.6mm embedded pin matrix over each GPU area
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- Safe standoff retention mechanism
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- Inlet & Outlet port thread standard: 1/4" BSPP (G1/4)
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- Thermal joints installation:
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GPU: thermal grease (Arctic Ceramique included)
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Memory: pre-installed thermal pads
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Power mosfets: thermal grease (Arctic Ceramique included)
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- Dimensions: (L) 12" - 305mm x (W) 5.1" - 130mm x (H) 0.6" - 16mm (standoff to top surface)
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Tab 4
Product Compatibility: Radeon HD 6990 - Reference design
CrossFire or SLI recommended installation configuration:
When multiple VGA water-blocks are present in a loop, whether it is for SLI or CrossFire, we always recommend installing the VGA waterblocks in a parallel flow configuration as shown below, as opposed to a serial flow configuration (see this example of serial to compare). This will substantially reduce the flow restriction in the entire loop with little measurable effect on thermal cooling performance of the Epsilon waterblocks because these blocks feature a highly efficient heat dissipation design at even moderate flow rates (Swiftech's thin pin matrix). Please refer to the following white papers for validation of the above recommendations:
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Recommended
(shown with both inlet/outlet on the upper block)
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Recommended
(shown with inlet of the upper block to the right, and outlet of the lower block to the left - vice versa is also acceptable)
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Parallel Flow Configuration (Click on picture to enlarge )
Tab 5No Content |
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Full Cover waterblock for AMD® 6970 and 6950 (2 Gb) reference boards; (2) G1/4 port plugs, pre-applied thermal pads, Arctic Ceramique thermal grease, installation guide - Barb fittings not included.
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Single slot PCI bracket for Radeon™ HD6990 dual GPU graphics card
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End User Reviews
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