Uxcell 100mm Aluminum Heatsink 5-Pack vs Uxcell Aluminum Water Cooling Block (2026): Key Differences
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You are comparing the uxcell 100mm aluminum heatsink 5 pack vs aluminum water cooling block for thermal management. Both items use aluminum for heat dissipation, but they serve different cooling methods. The first is a passive finned heatsink for direct air cooling of components like LEDs and transistors. The second is a water cooling block designed to attach to a liquid loop for CPUs or graphics cards. You need to choose based on your system type and cooling loop requirements.
Key differences
| Aspect | Uxcell 100mm Aluminum Heatsink 5-Pack | Uxcell 40x120mm Aluminum Water Cooling Block |
|---|---|---|
| System Type | Passive air cooling | Liquid water cooling |
| Dimensions | 100x25x10mm | 120x40x12mm |
| Weight | 6.1oz | 3.84 ounces |
| Compatible Device | LED Amplifier, Transistor, IC | CPU, Graphics CPU |
| Connection | Direct mount | Nozzle for 7-8mm pipe |
Which one should you choose?
Choose Uxcell 100mm Aluminum Heatsink 5-Pack if
- You need to cool LEDs, power transistors, or IC modules using passive airflow
- You are building a project requiring multiple small heatsinks for various components
- You do not have a liquid cooling loop and need direct-to-air dissipation
Choose Uxcell 40x120mm Aluminum Water Cooling Block if
- You are installing a custom water cooling loop for a computer CPU or graphics card
- You need a polished block with an M-shaped internal flow channel for liquid contact
- You require a nozzle compatible with 7mm to 8mm inner diameter tubing
Verdict: Choose the 5-pack of passive heatsinks if you are cooling discrete electronic components like LEDs or amplifiers without a liquid loop. Select the water cooling block if you are integrating a CPU or GPU into a custom liquid cooling system. The choice depends entirely on whether you use air or liquid for heat removal.
Heatsink vs Cooling Block Specs
compatible device
The Uxcell 100mm Aluminum Heatsink 5-Pack lists compatibility with LED amplifiers, transistors, IC modules, and power electric devices. It is designed for smaller electronic components that generate moderate heat. In contrast, the Uxcell Aluminum Water Cooling Block targets computer CPUs, graphics CPUs, and semiconductor components. This block is built for high-performance processors that require active liquid cooling. You should choose the heatsink for general electronics or LED setups. Choose the water cooling block for your main computer processor or graphics card. The application scope is quite different between these two items.
build
Both products use aluminum as their primary material. The Uxcell 100mm Aluminum Heatsink 5-Pack is a simple finned structure with eight fins to maximize surface area. It relies on passive air convection for heat dissipation. The Uxcell Aluminum Water Cooling Block features a polished surface and an internal M-shaped flow channel. This channel is created by extruding and brazing parts into a whole. This design is optimized for water flow rather than air flow. The block is heavier at 3.84 ounces, while the heatsink pack weighs 6.1 ounces for five units. The construction methods reflect their different cooling purposes.
dimensions
The Uxcell 100mm Aluminum Heatsink 5-Pack measures 100x25x10mm for each individual unit. You get five of these small, lightweight fins. The Uxcell Aluminum Water Cooling Block is larger, measuring 120x40x12mm. It has a nozzle length of 15mm for water pipe connection. The block is significantly longer and wider than a single heatsink. However, the heatsink pack gives you five separate units to spread heat across multiple components. The block is a single unit designed to cover one large processor. Your choice depends on whether you need to cool multiple small parts or one large component.
compatibility
The Uxcell Aluminum Water Cooling Block specifies compatibility with water pipes having an inner diameter of 7-8mm. The nozzle minimum outer diameter is 7mm. This ensures a secure connection to standard liquid cooling tubing. The Uxcell 100mm Aluminum Heatsink 5-Pack does not mention water compatibility. It is designed for direct air contact with electronic components. It does not have nozzles or flow channels. You cannot use the heatsink in a liquid cooling loop. You must use the water cooling block if you are building a custom loop or using an AIO system. The heatsink is strictly for air cooling applications.
system type
The Uxcell 100mm Aluminum Heatsink 5-Pack is intended for passive air cooling. It works by increasing the surface area exposed to ambient air. This is suitable for LED lights, voltage regulators, and power transistors. The Uxcell Aluminum Water Cooling Block is designed for active liquid cooling. It connects to a water block loop to remove heat from CPUs or graphics cards. This method is more efficient for high-heat components. You should select the heatsink for low-power electronics that do not require fans. Select the water cooling block for high-performance computing components that need superior heat removal.
Which heatsink suits your build
Building a multi-component LED array
You need to cool several small parts at once. This pack includes five units, each measuring 100x25x10mm. The eight fins maximize surface area for air contact. You attach these directly to transistors or IC modules. The aluminum material provides reliable passive dissipation for moderate heat loads without requiring pumps or tubing.
Installing a custom liquid loop
You require a dedicated block for a CPU or GPU in a water cooling system. This unit features an M-shaped internal flow channel for efficient coolant movement. The polished surface improves contact with the heat source. It connects to pipes with a 7-8mm inner diameter via a 15mm nozzle. The compact 120x40x12mm size fits standard fittings.
Cooling power electronics like amplifiers
You are managing heat from power amplifiers or voltage regulators. The 100mm length covers a broad area on the component. These passive sinks reduce power loss by transferring excess heat to the air. You can mount multiple units on different devices. The lightweight aluminum construction makes installation easy on various electronic chassis.
The products compared
Uxcell 100mm Aluminum Heatsink 5-Pack
Best for: Low-power LED and transistor cooling
- Material
- Aluminum
- Compatible Device
- Led Amplifier Transistor IC Module
- Dimensions
- 100x25x10mm
View on Amazon: Uxcell 100mm Aluminum Heatsink 5-Pack Affiliate link
This is a 5-pack of aluminum heat sinks designed for LED amplifiers and transistors. Each unit measures 100x25x10mm and features eight fins to maximize surface area. The material offers good thermal conductivity to prevent overheating in electronic devices. You should choose this if you need multiple small coolers for power regulators or IC modules. It is a practical solution for basic passive cooling tasks.
Pros
- Made of high-quality aluminum for efficient heat dissipation
- Includes 8 fins to increase surface area
- Lightweight design at 6.1oz net weight
- Suitable for LED lights and power transistors
Cons
- Small dimensions limit heat transfer for high-power CPUs
- Passive cooling only with no fan included
- Requires separate mounting hardware for installation
Good fit if
- You need multiple small coolers for low-power components
- You are building custom LED lighting circuits
- You require passive cooling for voltage regulators
Skip if
- You need to cool a high-wattage CPU
- You want active cooling with a built-in fan
- You need a large surface area for heavy loads
Verdict: Uxcell 100mm Aluminum Heatsink 5-Pack is a solid option for cooling small electronic components like LED amplifiers and ICs. It fits users who need affordable, passive cooling for low-power devices rather than high-performance processors.
Uxcell 40x120mm Aluminum Water Cooling Block
Best for: Custom loops with standard tubing sizes
- Material
- Aluminum Alloy
- Cooling Method
- Water Cooling Block
- Compatible Device
- CPU, Graphics Card, Semiconductor
- Dimensions
- 40x120x12mm
- Weight
- 3.84 ounces
View on Amazon: Uxcell 40x120mm Aluminum Water Cooling Block Affiliate link
This Uxcell water cooling block measures 40x120x12mm and weighs 3.84 ounces. It features an M-shaped inner flow channel for efficient heat transfer. The polished aluminum surface helps dissipate thermal energy from your CPU or graphics card. It connects to water pipes with an inner diameter of 7-8mm using a 15mm nozzle. You get a lightweight, durable component that fits standard tubing sizes for custom loops.
Pros
- Polished aluminum alloy construction resists rust
- M-shaped inner flow channel improves cooling
- Compatible with 7-8mm inner diameter tubing
- Lightweight at 3.84 ounces
Cons
- Fixed 15mm nozzle length limits tubing placement
- Aluminum material may corrode with certain coolants
- No mounting hardware included in data
Good fit if
- You need a compact block for small cases
- You use standard 7-8mm tubing for your loop
- You want a lightweight aluminum component
Skip if
- You require copper blocks for maximum performance
- You need pre-installed mounting hardware
- You use tubing with a different inner diameter
Verdict: Uxcell 40x120mm Aluminum Water Cooling Block fits builders who need a lightweight, standard-size block for custom loops. It works well if you stick to 7-8mm tubing and accept aluminum construction.
Specifications side by side
| Spec | Uxcell 100mm Aluminum Heatsink 5-Pack | Uxcell 40x120mm Aluminum Water Cooling Block |
|---|---|---|
| Material | Aluminum | Aluminum Alloy |
| Cooling Method | not stated | Water Cooling Block |
| Compatible Device | Led Amplifier Transistor IC Module | CPU, Graphics Card, Semiconductor |
| Dimensions | 100x25x10mm | 40x120x12mm |
| Weight | not stated | 3.84 ounces |
| Model | a14111400ux0242 | a19112500ux0193 |
| Size | not stated | 120x40x12mm |
Frequently asked questions
Can I use the Uxcell 100mm aluminum heatsink 5 pack for a CPU?
No, this heatsink is not designed for central processing units. It is intended for low-power LED and transistor cooling. The dimensions and passive design suit small electronic components like IC modules rather than high-heat processors that require active airflow or liquid cooling.
What is the difference between the 100mm heatsink and the 40x120mm water block?
The 100mm heatsink uses passive air cooling for small components, while the 40x120mm block is for liquid cooling loops. The heatsink is larger in footprint but thinner, whereas the water block is compact and connects to tubing. They serve entirely different thermal management methods.
Does the water cooling block fit standard 7-8mm tubing?
Yes, the Uxcell Aluminum Water Cooling Block is designed for custom loops with standard tubing sizes. It works well if you stick to 7-8mm tubing. This makes it suitable for builders who need a lightweight, standard-size block for their specific loop configuration.
How heavy is the Uxcell 40x120mm aluminum water cooling block?
The water cooling block weighs 3.84 ounces. This lightweight construction makes it easy to integrate into custom loops without adding significant stress to fittings. Its compact size of 120x40x12mm also helps it fit into tight spaces within a computer case.
Is the 100mm heatsink made of copper or aluminum?
The Uxcell 100mm Aluminum Heatsink 5-Pack is made of aluminum. Aluminum is a common material for passive cooling due to its balance of weight, cost, and thermal conductivity. It is effective for dissipating heat from low-power devices without the need for fans.
What are the dimensions of the Uxcell 100mm aluminum heatsink?
Each heatsink in the 5-pack measures 8 inches in length, 4.5 inches in width, and 1.8 inches in height. These dimensions provide a substantial surface area for heat dissipation on small components. The size allows for easy mounting on various low-power electronic devices.
Can the water cooling block cool a graphics card?
The product data does not specify graphics card compatibility. It is described as fitting builders who need a block for custom loops with standard tubing. You should verify the base plate dimensions against your specific GPU block mount before assuming compatibility for high-performance components.