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PC Water Cooling Reservoirs
Your pc water cooling reservoir capacity is an important variable in your liquid cooling system. The computer water cooling reservoir size determines the overall cooling capacity of your water cooled system. Increasing the reservoir size increases the amount of water in the system which allows for greater heat dissipation.

FrozenCPU carries the latest computer water cooling reservoirs from external reservoirs, passive reservoirs, internal reservoirs, bay reservoirs and reservoir accessories. We stocks the latest Bitspower reservoirs, Danger Den reservoirs, EK reservoirs, Innovatek reservoirs, Koolance reservoirs, Primochill reservoirs, Swiftech reservoirs, Tecnofront reservoirs, ThermalTake reservoir and XSPC reservoirs.


Danger Den RAD-Reservoir Internal / External Liquid Cooling Reservoir (RES-005)
Danger Den RAD-Reservoir Internal / External Liquid Cooling Reservoir (RES-005) Danger Den designed this reservoir to mount easily on radiators. But the what is totally RADical about this reservoir is it can be mounted on fan locations or even a completely custom location like the top of the case! It can be used horizontally and vertically depending on your needs!
9 In Stock, Ships Today Till 6pm EST
$42.95
EK D5 X-Res Top 140 Pump Top / Reservoir Combo w/ Alphacool VPP655 Variable Speed Pump Installed
EK D5 X-Res Top 140 Pump Top / Reservoir Combo w/ Alphacool VPP655 Variable Speed Pump Installed Now you can get the EK X-Res Top 140 reservoir combo fully assembled with the Alphacool VPP655 Variable Speed Pump. Plug and Play.. Ready to Go!! You can enjoy the power of the best pump on the market mixed with the looks and shine of the X-res 140 and we will install it for you!
In Stock, Ships Today Till 6pm EST
$172.99
XSPC X2O 750 Dual 5.25” Bay Reservoir Pump
XSPC X2O 750 Dual 5.25” Bay Reservoir Pump Introducing the new and improved X2O 750 dual bay reservoir pump. The pump is the same great 750lph low noise pump used in the previous model with improved electronics to increase long term reliability. The reservoir has been shortened to make it easier to route your tubing when a large PSU or small case is used. On the front we have added 4 screw...
14 In Stock, Ships Today Till 6pm EST
$69.95
FrozenQ PC Mods 250mm Liquid Fusion V Series "2nd Generation" Reservoir - UV Cathode - UV Green Helix
FrozenQ PC Mods 250mm Liquid Fusion V Series "2nd Generation" Reservoir - UV Cathode - UV Green Helix A successor to the Liquid Chaos reservoir, the Liquid Fusion reservoir is the inverse alternative. With this reservoir, the coolant flows around the helix in the acrylic cylinder, as opposed to having it flow directly though the helix. The helix is made of high quality fluorescent cast acrylic rod that comes in four different colors. The helix is i...
Out of Stock
$99.99

PC Water Cooling Reservoirs Categories
Bay Reservoirs Pump/Resevoir Combo Radiator/Pump/Res Combo 
External Reservoirs Reservoir Accessories FrozenQ PC Mod Series 
Internal Reservoirs Reservoir/Radiator Combo  

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Alphacool Cape Corp Bullseye Bay Adapter - Black Alphacool Cape Corp Bullseye Bay Adapter - Black
Brand: Alphacool  

The Cape mounting frame is designed for installation of the Cape Bullseye reservoir in 5.25" drive bays. The faceplate is equipped with a suitable opening for the reservoir as well as respective mounting holes. The mounting frame requires two vacant 5.25" drive bays.


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$25.99

Alphacool Cape Corp Bullseye Pro Reservoir Tank - Black Alphacool Cape Corp Bullseye Pro Reservoir Tank - Black
Brand: Alphacool  

This handy and easy to mount reservoir is an intelligent solution to the demand for individuality and creativity as well as the need for easy handling. The Bulls Eye reservoir is a symbiosis of functionality and appealing design, fulfilling most customer demands at once. Made in Germany and made from solid POM the reservoir features highest quality. The specially mad...


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$42.99

Alphacool Cape Corp Coolplex Pro 10 LT - 100mm Alphacool Cape Corp Coolplex Pro 10 LT - 100mm
Brand: Alphacool  

The Alphacool Cape Coolplex reservoirs have been well-known and popular on the water cooling market for years! But even such great products can sometimes use an update to fulfill even the most recent demands. Hence we at Alphacool have let the old series run out and now introduce the new series with POM end pieces as “LT” and now even with solid metal end pieces as...


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$29.95

Alphacool Cape Corp Coolplex Pro 25 LT - 250mm Alphacool Cape Corp Coolplex Pro 25 LT - 250mm
Brand: Alphacool  

The Alphacool Cape Coolplex reservoirs have been well-known and popular on the water cooling market for years! But even such great products can sometimes use an update to fulfill even the most recent demands. Hence we at Alphacool have let the old series run out and now introduce the new series with POM end pieces as “LT” and now even with solid metal end pieces as...


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$36.95

Alphacool Cape Corp Coolplex Pro 50 LT - 500mm Alphacool Cape Corp Coolplex Pro 50 LT - 500mm
Brand: Alphacool  

The Alphacool Cape Coolplex reservoirs have been well-known and popular on the water cooling market for years! But even such great products can sometimes use an update to fulfill even the most recent demands. Hence we at Alphacool have let the old series run out and now introduce the new series with POM end pieces as “LT” and now even with solid metal end pieces as...


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$44.99

Alphacool Cape Fuzion Core 10 - Acetal - Black Alphacool Cape Fuzion Core 10 - Acetal - Black
Brand: Alphacool  

Alphacool’s newest reservoir: Developed to amaze! Lighting effects in the reservoir for a special look in the system have become a must in the water cooling sector. But the possibilities were rather limited… The Fuzion Core sets new standards: A new sealed inner tube inside of the classical outer reservoir tube offers spectacular new possibilities. Install a co...


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$56.95

Alphacool Cape Fuzion Core 30 - Acetal - Black Alphacool Cape Fuzion Core 30 - Acetal - Black
Brand: Alphacool  

Alphacool’s newest reservoir: Developed to amaze! Lighting effects in the reservoir for a special look in the system have become a must in the water cooling sector. But the possibilities were rather limited… The Fuzion Core sets new standards: A new sealed inner tube inside of the classical outer reservoir tube offers spectacular new possibilities. Install a co...


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$69.99

Alphacool DC-LT Ceramic 12V DC Pump + Plexi Top + Reservoir - Installed Alphacool DC-LT Ceramic 12V DC Pump + Plexi Top + Reservoir - Installed
Brand: Alphacool  

FrozenCPU will install the pump and reservoir to the top for those that prefer this unit ships complete. Alphacool DC-LT ceramic 12 Volt pump is a compact pump with lots of steam under the hood! Water cooling generally is not only for Big towers and the high-end sector. Barebones, HTPC and Desktop systems also profit greatly from a liquid cooling system. Here extr...


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$76.99

Alphacool Repack Dual 5.25" Acrylic Reservoir - Clear Alphacool Repack Dual 5.25" Acrylic Reservoir - Clear
Brand: Alphacool  

Alphacool’s clear reservoir generation, straightforward yet truly stunning design and functionality Show what you have in your system: An amazing watercooling system! These reservoirs are perfect to put it to display. The transparent front allows a direct view of the flowing coolant. Wether you choose the large reservoir for two 5.25” drive bays or the more comp...


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$42.95

Alphacool Repack Single 5.25" Acetal Reservoir - Black Alphacool Repack Single 5.25" Acetal Reservoir - Black
Brand: Alphacool  

This reservoir was designed for computer watercooling purposes. It features easy mounting, handling and a great design. It can simply be installed in a 5.25" drive bay and you are set to go! No drilling or sawing is required. When using this reservoir air in the cooling loop can automatically escape. After filling the reservoir is sealed with a plug to create a closed...


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$44.99

Alphacool Repack Single 5.25" Acetal Reservoir - Special Edition White Alphacool Repack Single 5.25" Acetal Reservoir - Special Edition White
Brand: Alphacool  

The Alphacool reservoir in proven design now presents itself in a whole new light! Manufactured from white Delrin the lighting effect of the LEDs in the Repack is multiplied and now allows even more exceptional effects. This reservoir was specially designed for PC watercooling applications. It features easy installation and handling as well as an exceptionally bea...


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$39.99

Alphacool Repack Single 5.25" Acrylic Reservoir - Clear Alphacool Repack Single 5.25" Acrylic Reservoir - Clear
Brand: Alphacool  

Alphacool’s clear reservoir generation, straightforward yet truly stunning design and functionality Show what you have in your system: An amazing watercooling system! These reservoirs are perfect to put it to display. The transparent front allows a direct view of the flowing coolant. Whether you choose the large reservoir for two 5.25” drive bays or the more com...


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$34.99

Aquacomputer G1/4 Aquatube - Black Delrin Aquacomputer G1/4 Aquatube - Black Delrin
Brand: Aquacomputer  

The aquatube is a reservoir like you can not imagine. It can be filled effortlessly through its big opening and it also offers optimal control possibilities for the rate of flow. The aquatube has five threads on the top and bottom which allows easy mounting to the case and or cooling loops. The aquatube is completely leak-proof and thus can be mounted in every positio...


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$49.99

Aquacomputer G1/4 Aquatube - White Delrin Aquacomputer G1/4 Aquatube - White Delrin
Brand: Aquacomputer  

The aquatube is a reservoir like you can not imagine. It can be filled effortlessly through its big opening and it also offers optimal control possibilities for the rate of flow. The aquatube has five threads on the top and bottom which allows easy mounting to the case and or cooling loops. The aquatube is completely leak-proof and thus can be mounted in every positio...


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$49.99

Bitspower 120mm Water Tank Mount Panel (BP-120WTMP-BK) Bitspower 120mm Water Tank Mount Panel (BP-120WTMP-BK)
Brand: Bitspower International Co., Ltd.  

The Bitspower 120mm Water Tank Mount Panel makes mounting your reservoir much easier and gives more options. With this mount bracket you can easily mount your Bitspower reservoir to any 120mm Fan location including radiators or directly to fans. Mounting screws are provided for M3, M4, 6-32 threads as well as a course thread set.


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$12.99

Bitspower 140mm Water Tank Mount Panel (BP-140WTMP-BK) Bitspower 140mm Water Tank Mount Panel (BP-140WTMP-BK)

The Bitspower 140mm Water Tank Mount Panel makes mounting your reservoir much easier and gives more options. With this mount bracket you can easily mount your Bitspower reservoir to any 140mm Fan location including radiators or directly to fans. Mounting screws are provided for M3, M4, 6-32 threads as well as a course thread set.


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$13.99

Bitspower 5.25 Bay Reservoir - Acrylic - UV Blue Seals (BP-WT525AC-CLUVBL) Bitspower 5.25 Bay Reservoir - Acrylic - UV Blue Seals (BP-WT525AC-CLUVBL)
Brand: Bitspower International Co., Ltd.  

The Bitspower 5.25" Bay Reservoir fits in a single 5.25" drive bay and allows you to see the liquid flow and cooling fluid level of your cooling system. The reservoir comes with 3 port plugs and with five G1/4" ports at your disposal, this is a very versatile, little reservoir.


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$54.99

Bitspower 5.25 Bay Reservoir - Acrylic - UV Purple Seals (BP-WT525AC-CLUVPL) Bitspower 5.25 Bay Reservoir - Acrylic - UV Purple Seals (BP-WT525AC-CLUVPL)
Brand: Bitspower International Co., Ltd.  

The Bitspower 5.25" Bay Reservoir fits in a single 5.25" drive bay and allows you to see the liquid flow and cooling fluid level of your cooling system. The reservoir comes with 3 port plugs and with five G1/4" ports at your disposal, this is a very versatile, little reservoir.


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$54.99

Bitspower 5.25 Bay Reservoir - Acrylic - UV Red Seals (BP-WT525AC-CLUVRD) Bitspower 5.25 Bay Reservoir - Acrylic - UV Red Seals (BP-WT525AC-CLUVRD)
Brand: Bitspower International Co., Ltd.  

The Bitspower 5.25" Bay Reservoir fits in a single 5.25" drive bay and allows you to see the liquid flow and cooling fluid level of your cooling system. The reservoir comes with 3 port plugs and with five G1/4" ports at your disposal, this is a very versatile, little reservoir.


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$54.99

Bitspower 5.25 Bay Reservoir - Black (BP-WT525P-BK) Bitspower 5.25 Bay Reservoir - Black (BP-WT525P-BK)
Brand: Bitspower International Co., Ltd.  

The Bitspower 5.25" Bay Reservoir fits in a single 5.25" drive bay and allows you to see the liquid flow and cooling fluid level of your cooling system. The reservoir comes with two port plugs designed to take 5mm LEDs and with five G1/4" ports at your disposal, this is a very versatile, little reservoir.


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$59.99

Bitspower G 1/4 Matte Black Anti-Cyclone Adapter (BP-MBWP-C46) Bitspower G 1/4 Matte Black Anti-Cyclone Adapter (BP-MBWP-C46)
Brand: Bitspower International Co., Ltd.  

The Bitspower G 1/4 Black Matte Anti-Cyclone Adapter prevents your reservoir from developing a cyclone which reduces efficiency.


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$4.99

Bitspower G 1/4 Matte Black Aqua-Pipe I (BP-MBWP-C17) Bitspower G 1/4 Matte Black Aqua-Pipe I (BP-MBWP-C17)
Brand: Bitspower International Co., Ltd.  

The Bitspower G1/4" Black Matte Aqua-Pipe I is designed to add functionality to your liquid cooling reservoir. The high quality brass fitting features a durable nickel finish.


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$7.50

Bitspower G 1/4 Matte Black Aqua-Pipe II (BP-MBWP-C18) Bitspower G 1/4 Matte Black Aqua-Pipe II (BP-MBWP-C18)
Brand: Bitspower International Co., Ltd.  

The Bitspower G1/4" Black Matte Aqua-Pipe II is designed for pass through application from outside to inside. The high quality brass fitting features a durable nickel finish.


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$10.95

Bitspower G 1/4 Silver Shining Aqua-Pipe I (BP-WTP-C17) Bitspower G 1/4 Silver Shining Aqua-Pipe I (BP-WTP-C17)
Brand: Bitspower International Co., Ltd.  

The Bitspower G1/4" Silver Shining Aqua-Pipe I is designed to add functionality to your liquid cooling reservoir. The high quality brass fitting features a durable nickel finish.


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$6.95

Bitspower G 1/4 Silver Shining Aqua-Pipe II (BP-WTP-C18) Bitspower G 1/4 Silver Shining Aqua-Pipe II (BP-WTP-C18)
Brand: Bitspower International Co., Ltd.  

The Bitspower G1/4" Silver Shining Aqua-Pipe II is designed for pass through application from outside to inside. The high quality brass fitting features a durable nickel finish.


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$9.95

Bitspower Mini Water Tank Plus DDC Pump Attachement Reservoir w/ Filter (BP-DDCT2-CL) Bitspower Mini Water Tank Plus DDC Pump Attachement Reservoir w/ Filter (BP-DDCT2-CL)
Brand: Bitspower International Co., Ltd.  

Combine the power of the DDC series pump with the convenience of a reservoir built in with the Bitspower Mini Water Tank Plus DDC Pump Attachement Reservoir. Simply remove the stock pump top and mountt he reservoir on top for a complete pump reservoir combo in a very small area! The top cap port can be used to attach a fillport as well as facilitate dual loop return...


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$45.95

Bitspower Water Tank Z Ultra Liquid Cooling Reservoir - (Tank Z Ultra) (BP-WTZP3-BK) Bitspower Water Tank Z Ultra Liquid Cooling Reservoir - (Tank Z Ultra) (BP-WTZP3-BK)
Brand: Bitspower International Co., Ltd.  

The FrozenCPU Water Tank Z Ultra Liquid Cooling Reservoir is a solid and versatile reservoir with multiple G1/4" ports - including a bottom port that is great for draining the reservoir. The reservoir features clear acrylic top with an engraved dragon logo and comes with a metal stop plug and an acrylic stop plug for holding a 5mm LED.


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$54.95

Bitspower Water Tank Z-Multi 150 Inline Reservoir (BP-WTZM150P-BK) Bitspower Water Tank Z-Multi 150 Inline Reservoir (BP-WTZM150P-BK)
Brand: Bitspower International Co., Ltd.  

The Bitspower Water Tank Z-Multi 150 Inline Reservoir is a multi-option liquid cooling reservoir that is perfect for most advanced users! This reservoir can work with a fillport and/or a drainport depending on installation. Both can be connected to the top and bottom reservoir ports so the reservoir never has be moved for filling, priming or draining your system. The ...


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$38.95

Bitspower Water Tank Z-Multi 150 Inline Reservoir - Ice Black (BP-WTZM150P-IBKBK) Bitspower Water Tank Z-Multi 150 Inline Reservoir - Ice Black (BP-WTZM150P-IBKBK)
Brand: Bitspower International Co., Ltd.  

The Bitspower Water Tank Z-Multi 150 Inline Reservoir is a multi-option liquid cooling reservoir that is perfect for most advanced users! This reservoir can work with a fillport and/or a drainport depending on installation. Both can be connected to the top and bottom reservoir ports so the reservoir never has be moved for filling, priming or draining your system. The ...


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$46.95

Bitspower Water Tank Z-Multi 150 Inline Reservoir - Ice Red (BP-WTZM150P-IRDBK) Bitspower Water Tank Z-Multi 150 Inline Reservoir - Ice Red (BP-WTZM150P-IRDBK)
Brand: Bitspower International Co., Ltd.  

The Bitspower Water Tank Z-Multi 150 Inline Reservoir is a multi-option liquid cooling reservoir that is perfect for most advanced users! This reservoir can work with a fillport and/or a drainport depending on installation. Both can be connected to the top and bottom reservoir ports so the reservoir never has be moved for filling, priming or draining your system. The ...


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$46.95

 
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