8 white silent mini submersible pumps for computer water cooling Power options - DC 3V or 5V support, plus USB powered option for convenient connection to a PC or USB power source Designed for ease of use - USB powered allows direct connection to a computer, USB hub, or power bank - Vertical design saves space and adds a distinctive look to your cooling setup - Silent operation provides low-noise performance during use Key attributes - Function: submersible pumps designed to circulate coolant in compact cooling loops - Compatibility: suitable for computer water cooling applications - Size: mini, compact pumps in a white finish - Performance: quiet operation with adaptable power options - Package: includes 8 pieces, offering multiple pumps for multi-loop setups or replacements Use scenarios - PC water cooling builds: install one or more pumps in small reservoirs or along cooling loops to drive coolant through CPU/GPU blocks in tight or custom configurations - USB powered projects: power from a computer USB port, USB hub, or power bank for cooling small electronics or hobbyist rigs - DIY and education: use as a practical kit to learn about pump operation, coolant circulation, and experimental cooling setups Notes - Maintains a consistent white aesthetic for coordinated system builds - Flexible power options support a range of installation scenarios without requiring dedicated power supplies