0 ratings
Item #:
120958865
Kalolary 40x40mm Aluminum Water Cooling Block Heat Exchanger, Silver, 4PCS
90% of respondents would recommend this to a friend
Item #:
120958865
XCD 61
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 10 items left in stock.
Order now and get it around Wednesday, October 14
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Experience superior cooling performance with our precision-engineered water cooling CPU!
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Efficient Cooling
This aluminum water cooling block provides superior heat dissipation, ensuring optimal CPU and GPU performance during intense gaming or demanding tasks.
Versatile Compatibility
Designed for a wide range of CPUs and graphics cards, this cooling block easily integrates into various systems, making it a flexible choice for upgrades or builds.
Cost-effective Pack
Offered in a convenient 4-pack, this product not only saves money but also allows users to equip multiple components or systems with high-quality cooling solutions.
Product Details
| Brand Name | Kalolary |
| Manufacturer | Kalolary |
| Number of Items | 4 |
| Item Highlight | Liquid Water Cooler Endothermic Head Plate Heat Sink CPU Cooling System for CPU Graphics Radiator Heatsink Cooled Exchanger |
| Included Components | 4P |
| Model | YeahWork-K025 |
| Part Number | YeahWork-K025 |
| Item Dimensions L x W x H | 1.57"L x 1.57"W x 0.47"H (4 x 4 x 1.2 cm) |
| Item Weight | 0.14 kg |
| Cooler Heatsink Compatibility | Multi-device, including computer CPU, industrial inverter driver, Xbox consoles, motherboard, laser head, industrial control cabinet |
| Mounting Type | Chassis Mount |
| Cooler Heatsink Material | Aluminum |
| Brand | Kalolary |
| Product Dimensions (L x W x H) | 1.57"L x 1.57"W x 0.47"H (4 x 4 x 1.2 cm) |
| Cooler Heatsink Compatibility | Multi-device, including computer CPU, industrial inverter driver, Xbox consoles, motherboard, laser head, industrial control cabinet See more |
What's in the box
4P
Who Should Buy?
-
Gaming Enthusiasts
Ideal for gamers who require efficient cooling solutions for their high-performance CPUs and GPUs.
-
Overclockers
Perfect for users who push their hardware to limits, needing active cooling to prevent overheating.
-
DIY Builders
Great for those building custom cooling systems or liquid loops in their PC setups.
-
Casual Users
May not be necessary for casual users with standard computing needs, as they require less cooling.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a 40mm aluminum water cooling block used for?
Answer: A 40mm aluminum water cooling block is primarily used to dissipate heat from the CPU in liquid cooling systems. This component works by allowing coolant to flow through it, absorbing heat generated by the CPU and transferring it away, ensuring optimal operating temperatures during high-performance tasks like gaming or video rendering. -
Question:
How does a water cooling block improve cooling performance compared to air cooling?
Answer: The water cooling block enhances cooling performance by utilizing liquid, which is more effective than air at absorbing and dissipating heat. This allows for lower temperatures to be maintained under heavy load, improving CPU efficiency and extending its lifespan. Users engaged in overclocking or demanding applications will find substantial benefits from this enhanced cooling solution. -
Question:
Can I use this cooling block with any liquid cooling system?
Answer: This 40mm aluminum water cooling block is compatible with most liquid cooling systems, provided that it fits the designated mounting specifications. Ensure your system meets these compatibility requirements to achieve the best cooling performance. Custom builders and those upgrading their setups can easily integrate this block into existing configurations. -
Question:
What materials are used in the construction of these cooling blocks?
Answer: These cooling blocks are made from high-quality aluminum, which is not only lightweight but also extremely good at transferring heat away from heat sources. The silver finish not only enhances aesthetics but also provides added corrosion resistance, ensuring durability and long-term performance in any liquid cooling setup. -
Question:
How do I install the 40mm aluminum water cooling block?
Answer: Installing the water cooling block typically involves securing it onto the CPU socket with the provided mounting hardware, connecting it to the coolant loop, and ensuring all seals are tight. Following the instruction manual closely will guide you through proper installation. Ensuring a secure and tight fit is crucial to prevent leaks and improve thermal contact. -
Question:
What are the benefits of using a dual pack of cooling blocks?
Answer: Purchasing a dual pack of cooling blocks offers versatility for those wanting to cool multiple components or set up redundancy in their cooling system. This is especially beneficial for users with higher-end CPUs or those running multi-CPU setups, ensuring robust cooling performance with an additional unit readily available if needed. -
Question:
What type of coolant should I use with these cooling blocks?
Answer: It’s best to use a non-conductive, high-performance coolant specifically designed for liquid cooling systems. These coolants are formulated to prevent corrosion and provide optimal thermal conductivity, ensuring your cooling blocks function efficiently. Additionally, using colored or UV-reactive coolants can enhance the aesthetic of your setup. -
Question:
Can I mix different brands of coolant with this aluminum water cooling block?
Answer: While it's technically possible to mix different brands of coolants, it's not ideal due to potential chemical reactions that might arise, which can lead to corrosion or decreased performance. It’s advisable to stick with one brand to prevent complications and ensure that the coolant properties maintain a stable operation within your cooling system. -
Question:
Where can I buy a 40mm Aluminum Water Cooling Block for Liquid Water Cooler in Montserrat?
Answer: You can purchase the 40mm Aluminum Water Cooling Block for Liquid Water Cooler, including a 2 pack, on Ubuy, a reliable e-commerce platform. Ubuy offers a wide variety of cooling components and ensures that you can find quality products that meet your specific needs in Montserrat.
Kalolary Water Cooling Systems Editorial Review
Kalolary 40x40mm Aluminum Water Cooling Block Heat Exchanger, Silver, 4PCS provides a robust solution for various cooling applications, including CPU and industrial devices. Users have noted its solid construction and compatibility with multiple devices, while also highlighting its efficient thermal paste application due to the curved grooves. However, some reviews mention concerns regarding manufacturing residue inside the block, which can affect system performance if not filtered properly. Despite this, many users recommend the product for its stability and functionality in heated/cooled prototypes and atmospheric water generators, making it a solid choice for DIY cooling systems.
Customer Reviews & Ratings
243 customers ratings
-
5 Star
69%
-
4 Star
7%
-
3 Star
8%
-
2 Star
9%
-
1 Star
7%
Review this product
Share your thoughts with other customers
Pros
- Sturdy and well-machined construction enhances durability.
- Curved grooves allow for better thermal paste coverage.
- Compatible with various devices like CPUs and consoles.
- No leaks reported, indicating reliable performance.
- Lightweight design for easy installation.
Cons
- Some residue left inside may require additional filtering.
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 61
Order now and get it around Wednesday, October 14
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 10 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Compact size of 40mm x 40mm x 12mm for versatile installation.
- Lightweight design at only 35g, making it easy to handle.
- Advanced vacuum aluminum brazing for durability and reliability.
- Low leakage rate of less than 5 x 10-6 mbar.l/s ensures efficient performance.
- Surface treated with silver oxidation for enhanced aesthetics and protection.
- Ideal for cooling CPUs, industrial drivers, laser heads, and control cabinets.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.