The C3.MD is a family of compact, turnkey micro data center enclosures engineered and manufactured by C3 Solutions (ООО СиТри Солюшнз), a Russian producer of comprehensive data center engineering systems headquartered in Moscow. The line addresses edge computing deployments where a dedicated, climate-controlled IT space is impractical to build: the IP55-rated steel enclosure combines a 19-inch rack, a built-in UPS with battery module, a power distribution panel with UPS bypass, and a sealed cooling subsystem in a single factory-integrated unit—so commissioning requires only a mains connection, with no raised floors or purpose-built server room needed.
The series covers three cooling architectures: the KM sub-family uses a self-contained monobloc air conditioner that exhausts heat into the room; the MB sub-family uses a built-in refrigeration unit with a remote external condenser; and the MP sub-family employs a closed in-row cooling module suited to the highest thermal loads. Across the range, available IT load capacity spans from 500 W to 28,000 W in base configuration, with usable rack space from 16 U up to 74 U.
Factory options include N+1 and 2N redundancy for both power and cooling, additional battery autonomy modules, remote monitoring, gas-based automatic fire suppression, and access control integration. C3 Solutions backs the series with a three-year manufacturer warranty; rated service life is ten years.
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