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RackCDU D2C is a hot water liquid cooling solution that captures between 60% and 80% of server heat, reducing data center cooling cost by over 50% and allowing 2.5x-5x increases in data center server density. D2C removes heat from CPUs, GPUs, memory modules and other high heat components within servers using water as hot as 40°C (105°F), eliminating the need for expensive and inefficient chilled air to cool these components. As air chilling is the largest portion of data center cooling OpEx and CapEx costs, D2C can free up money from constrained data center budgets for investment in more computing rather than disappearing in support costs.
With RackCDU D2C, less air needs to be cooled and moved by Computer Room Air Handlers (CRAH) or Computer Room Air Conditioning (CRAC) units. Furthermore, liquid cooled servers need less airflow resulting in more energy efficient servers. RackCDU is capable of returning water from the data center at temperatures high enough to enable waste heat recycling. Data centers choosing this option recover a portion of the energy running their servers further increasing energy cost savings, reducing carbon footprint and resulting in cooling Energy Reuse Efficiencies (ERE) below 1.0.
RackCDU D2C is deployed at a rack/server level providing maximum scalability. Typically, the RackCDU is mounted in the server rack (In-RackCDU) along with the servers themselves and collects the heat from the servers without sharing any cooling liquid. In-RackCDU does not take up any additional aisle space as it is mounted in the top 3U or 4U of the rack. Alternatively, RackCDU D2C cooled racks have the option of using Vertical-RackCDU. Vertical-RackCDU consists of a zero-U rack level CDU (Cooling Distribution Unit) mounted in a 10.5 inch rack extension to the back of the rack that includes space for 3 additional PDUs.
Enables data center consolidation and mitigates build-outs
Surveillance/alarm system supports DCIM via SNMP
Low pressure, redundant pumps for reliability
Waste heat recycling can achieve ERE < 1
Two RackCDU Options
In-RackCDU™ D2C provides the option of having RackCDU™ mounted in the server rack. In-RackCDU does not take up aisle space and includes the same monitoring features as Asetek’s Vertical-RackCDU.
Vertical-RackCDU™ D2C is deployed at a rack/server level providing maximum scalability. The system consists of a zero-U rack level CDU (Cooling Distribution Unit) mounted in a 10.5 inch rack extension that includes space for 3 additional PDUs, and direct-to-chip server coolers that are drop in replacements for standard server air heat sinks.