The Alphacool Core DDCzero XS Reservoir combines an exceptionally compact reservoir with the powerful Alphacool DDCzero PWM pump. Thanks to its space-saving design, this combination is ideal for small-form-factor systems and other water-cooling systems with severely limited installation space. Despite its compact dimensions, the reservoir provides sufficient filling volume for high-performance cooling loops. Three G1/4" ports allow flexible integration into the cooling system. The base of the Core DDCzero XS Reservoir is made of durable acetal. The top is manufactured from aluminium, while the transparent reservoir is made of high-quality acrylic. This combination of materials ensures a high level of stability. The aluminium top serves solely as a visual design element and does not come into contact with the coolant. Two of the G1/4" connection threads are integrated directly into the robust acetal base. An additional port is located in the acrylic reservoir and can be used as a fill port. The compact pump-reservoir combination integrates both components into one space-saving unit, thereby reducing the required installation space. The integrated Alphacool DDCzero PWM pump is a compact and powerful circulation pump for PC water-cooling systems, datacenter systems and industrial applications. A robust ceramic shaft, combined with the durable plastic housing, ensures reliable and long-lasting operation. The pump offers high delivery performance and ensures a reliable coolant flow. Its speed can be flexibly adjusted across a wide control range to meet the specific requirements of the system. The Alphacool DDCzero PWM pump is connected to the motherboard or a suitable controller via a 4-pin fan connector. Compatibility The Alphacool DDCzero pump tops and reservoirs are exclusively compatible with the Alphacool Core DDCzero PWM pump. Standard DDC pumps cannot be used due to their larger dimensions.