--- product_id: 56455160 title: "40 * 40mm Aluminum Water Cooling Block for Liquid Water Cooler Silver Heat Sink System for CPU Radiator Heatsink (2 Pack)" brand: "kalolary" price: "902944₫" currency: VND in_stock: true reviews_count: 7 category: "Kalolary" url: https://www.desertcart.vn/products/56455160-40-40mm-aluminum-water-cooling-block-for-liquid-water-cooler store_origin: VN region: Vietnam --- # Leak rate <5x10⁻⁶ mbar.l/s ultra-sealed 40x40x12mm compact cooling block Vacuum aluminum brazing for durability 40 * 40mm Aluminum Water Cooling Block for Liquid Water Cooler Silver Heat Sink System for CPU Radiator Heatsink (2 Pack) **Brand:** kalolary **Price:** 902944₫ **Availability:** ✅ In Stock ## Summary > ❄️ Stay cool, stay ahead — the ultimate liquid cooling upgrade! ## Quick Answers - **What is this?** 40 * 40mm Aluminum Water Cooling Block for Liquid Water Cooler Silver Heat Sink System for CPU Radiator Heatsink (2 Pack) by kalolary - **How much does it cost?** 902944₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/56455160-40-40mm-aluminum-water-cooling-block-for-liquid-water-cooler) ## Best For - kalolary enthusiasts ## Why This Product - Trusted kalolary brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ultra-Low Leak Rate:** Leak-proof design with less than 5x10⁻⁶ mbar.l/s keeps your system safe - • **Optimized Thermal Flow:** Internal flow channel extrusion with 0.5mm fins maximizes heat dissipation - • **Industrial-Grade Durability:** Vacuum aluminum brazing ensures unmatched strength and longevity - • **Versatile Cooling Compatibility:** Perfect for CPUs, industrial inverters, laser heads, and more - • **Precision Engineered Compactness:** 40x40x12mm size fits seamlessly into any CPU cooling setup ## Overview This 40x40mm aluminum water cooling block features vacuum brazed construction and precision-engineered internal fins for superior heat dissipation. With an ultra-low leak rate and universal CPU compatibility, it’s a high-quality, durable solution designed to keep your system running cool and efficient under pressure. ## Description Feature: -Size:40 (D) x 40 (W) x 12 (H) MM -Weight:35g Package included: 2 x CPU Water cooling Review: Quality product - I was surprised how well made and packed these were. I expected an industrial part and it is obvious they are very well made and a high quality product. Very well worth the money. Review: Great for my seawater cooled fridge unit - A fridge, sea water cooled ## Features - √Surface treatment: silver oxidation - √Processing: vacuum aluminum brazing - √Internal flow channel extrusion forming,brazing parts into a whole - √Internal fin thickness 0.5MM，Leak rate of less than 5X10-6 mbar.l/s parts - √Applicable to computer CPU water, industrial inverter driver, laser head cooling, industrial control cabinet cooling ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B078MK5GG9 | | Best Sellers Rank | 74,865 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 180 in Computer Heatsinks | | Brand | Kalolary | | CPU Socket | Universal | | Cooler Heatsink Compatibility | Support for a wide range of CPUs | | Cooler Heatsink Material | Aluminium | | Cooler heat sink material | Aluminium | | Cooler heatsink compatibility | Support for a wide range of CPUs | | Customer Reviews | 4.3 out of 5 stars 230 Reviews | | Item Dimensions L x W x H | 40L x 40W x 12H millimetres | | Item Weight | 0.02 Pounds | | Item weight | 0.02 Pounds | | Manufacturer | Kalolary | | Mounting Type | CPU Mount | | Mounting type | CPU Mount | | Product dimensions | 40L x 40W x 12H millimetres | | UPC | 680577431799 | ## Product Details - **Brand:** Kalolary - **Cooler heat sink material:** Aluminium - **Cooler heatsink compatibility:** Aluminum - **Item weight:** 0.02 Pounds - **Mounting type:** CPU Mount ## Images ![40 * 40mm Aluminum Water Cooling Block for Liquid Water Cooler Silver Heat Sink System for CPU Radiator Heatsink (2 Pack) - Image 1](https://m.media-amazon.com/images/I/61QeMeMJmKL.jpg) ## Questions & Answers **Q: what's inlet/outlet diamieters?** A: Not sure on the specifics, but I tried them with a 13/10 water cooling setup and they were too small. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quality product *by D***Y on 11 June 2019* I was surprised how well made and packed these were. I expected an industrial part and it is obvious they are very well made and a high quality product. Very well worth the money. ### ⭐⭐⭐⭐⭐ Great for my seawater cooled fridge unit *by A***S on 18 September 2022* A fridge, sea water cooled ### ⭐⭐⭐⭐⭐ As described *by D***N on 6 June 2022* Exelent Just what I needed, fast delivery ## Frequently Bought Together - 40 * 40mm Aluminum Water Cooling Block for Liquid Water Cooler Silver Heat Sink System for CPU Radiator Heatsink (2 Pack) - HiLetgo 2pcs Water Pump 240L/H DC 12V 4.2W Micro Brushless Pump 3M Pumping Head Ultra Quiet Water Pump for Pool Aquarium Fish Tank - DIYhz Water Cooling Computer Radiator, 12 Pipe Aluminum Heat Exchanger Liquid Cooling Radiator Heat Sink 120mm for CPU PC Laser Water Cool System DC12V Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/56455160-40-40mm-aluminum-water-cooling-block-for-liquid-water-cooler](https://www.desertcart.vn/products/56455160-40-40mm-aluminum-water-cooling-block-for-liquid-water-cooler) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-22*