what's inlet/outlet diamieters?

Not sure on the specifics, but I tried them with a 13/10 water cooling setup and they were too small.

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40 * 40mm Aluminum Water Cooling Block for Liquid Water Cooler Silver Heat Sink System for CPU Radiator Heatsink (2 Pack)

Product ID: 56455160

Details

Brand
Kalolary
Cooler heat sink material
Aluminium
Cooler heatsink compatibility
Aluminum
Item weight
0.02 Pounds
Mounting type
CPU Mount

💧Leak rate <5x10⁻⁶ mbar.l/s ultra-sealed

🧊40x40x12mm compact cooling block

⚙️Vacuum aluminum brazing for durability

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$U1584

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Stay cool, stay ahead — the ultimate liquid cooling upgrade!

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

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.

Specifications

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

Reviews

D**Y

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.

11.06.2019

A**S

Great for my seawater cooled fridge unit

A fridge, sea water cooled

18.09.2022

D**N

As described

Exelent Just what I needed, fast delivery

6.06.2022

D**D

Flow rate is very poor through the module.

This module restricted the flow rate of my pump way too much for use as a part of a laser cooling device. Could only be used with a very small pump or if you are not trying to move a lot of water.

8.09.2021

L**Y

As expected!

40x40mm Aluminium block for water cooling... Was part of a project to water cool a laptop and worked perfectly! Exactly as described.

18.01.2019

S**N

Quality product

Quality product, amazing price and super quick delivery.

21.04.2020

L**W

Careful to match to your water cooling tubing size

These look really good and hand but in using a 13/10 flexible hose, they do not fit.

1.02.2021

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