Bykski Full Armor Tube Reservoir with High Flow D5 Pump, 720L/H PWM Control, Available in Four Lengths (B-UL-D5-X-V4-CT60)
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Bykski Full Armor Tube Reservoir with High Flow D5 Pump, 720L/H PWM Control, Available in Four Lengths (B-UL-D5-X-V4-CT60)

B-UL-D5-X-V4-CT60-60 Pre-order
$169.99USDFree shipping, lower 48

US import duties and tariffs are included in every price.

Ships directly from our Idaho inventory. You avoid overseas sellers, processing delays, international shipping, customs hold-ups and additional fees.
Pre-order — normally stocked
Expect dispatch in about 20 business days
Latest 24 business days. Cancel any time before it ships for a full refund.
A regular catalog item — we're between shipments. Your order is filled before any stock goes back on the website.
Not ready to pre-order?
Building your first loop? Plan the rest of it
Why buy it here
US warranty, handled in Boise
Claims are settled here, by the people who sold it to you.
Exclusive US distributor
The official US source for Bykski, so every part is genuine.

Before you install it

This is a component, not an assembly — how it goes in depends on the loop it is joining. What does not change is the last step: leak test before power. Run the pump on a bench supply with the rest of the system unpowered. 24 hours is the standard, an hour is the minimum.

Custom water cooling is installed by you, at your own risk. We are not responsible for leaks, or for damage to your parts or system. If you're unsure at any step, ask before you power the loop.

About this part

Elevate your PC's cooling efficiency and aesthetic appeal with the Bykski Armored Tube Reservoir. This high-end, reliable combo is engineered to provide superior water circulation and a stunning visual display. Designed for enthusiasts seeking top-tier performance in their custom cooling solutions, this unit offers precision, durability, and style.

Features

  • High-Efficiency D5 Pump: Known for its exceptional performance and reliability, the D5 pump ensures optimal coolant flow through your system.
  • Sleek PMMA Tube Reservoir: The clear PMMA reservoir is not only tough but also allows for easy monitoring of coolant levels and adds a touch of sophistication to your build.
  • Quiet Operation: Engineered to minimize noise, the pump-reservoir combo runs smoothly, ensuring a tranquil computing environment.
  • Durable Construction: Made from high-quality materials, this combo is built to last and withstand the rigors of continuous use.

Specifications

  • Model: B-UL-D5-X-V4-CT60
  • Pump Type: D5
  • Reservoir Material:Aluminum + POM + PMMA + Aluminum alloy (not in contact with coolant)
  • Reservoir Sizes: 60mm,100mm,150mm,200mm
  • Connectivity: 4-Pin Molex and PWM+ data feedback
  • Height Dimensions: 60mm (total 135mm), 100mm (total 175mm), 150mm (total 225mm), 200mm (total 275mm)
  • Width Dimensions: 69.00mm
  • Power Input: DC12v, Range 8-20V, RPM 4400
  • Flow Rate:720L/h

Parts Included

  • 1x CP-D5PB-V2 Pump (installed)
  • 1x Reservoir + Top
  • 1x Pump Armor (installed)

WARNING: This product is designed for self-installation. The manufacturer is not liable for any damages resulting from misuse, including, but not limited to, improper installation or the use of incompatible hardware or fluids. By using this product, you accept all related risks.

Pump Specific Warnings:

Use of caustic and/or abrasive coolant will void your warranty (see warranty section) and may cause your pump to fail. This pump comes stock without any housing, allowing you to integrate any of your favorite pump tops and accessories. Consequently, the pump cannot be used as a standalone unit. Do not run the pump dry.

The D5 and DDC range of pumps are designed to be self-lubricating, meaning the fluid that the pump is designed to move is also used to lubricate its internal parts. Therefore, you should not run the pumps without fluid for any reason. Running these pumps dry creates internal friction between the ceramic bearing and bearing housing, and that heat can quickly crack or melt the bearing housing.

Running D5 pumps dry (without fluid) immediately voids the warranty. Replacements will not be provided under these conditions.

It is easy for us to determine if your pump has been "run dry" or without fluid:

-Visual scratches along the inside of the housing. These are created when the bearing housing melts and the impeller spins off-center.
-The bearing housing has stress cracks or is melted, resulting from heat created when the pump is run dry.
-The impeller sits too low in the housing, usually indicating that the ceramic bearing is falling through the normal housing location.

Datasheet
TypeD5 Reservoir
Shipping weight2.0 lb
SKUB-UL-D5-X-V4-CT60-60

What buyers said

Left by people who bought this part here. Compatibility reports are the useful ones — if you fitted it, say which board.

Customer Reviews

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Questions people ask about this part

Answers specific to B-UL-D5-X-V4-CT60-60. If yours isn't here, ask — we'd rather talk you out of the wrong part than sell you one.

What does this part fit?
Compatibility for this part is listed in the compatibility notes on this page. Bykski machine to a specific hardware layout, so send us your exact model and we will confirm it against part number B-UL-D5-X-V4-CT60-60 before you order.
Is it in stock, and when will it ship?
It is a normally stocked item currently on pre-order — we are between shipments. Orders dispatch from Boise, Idaho within 20 business days, and pre-orders are filled before any stock goes back on the website.
Can I cancel my pre-order?
Yes. A pre-order can be canceled any time before it ships, for a full refund. Nothing is committed until it leaves Boise.
Will I pay import duties or customs charges on delivery?
Not on a US order. US import duties and tariffs are already included in the price, so nothing is collected at the door and there is no brokerage fee. Orders shipped outside the US may owe that country's customs fees and duties.
Who handles the warranty?
BYKSKI.US, the exclusive US distributor, from Boise, Idaho. Claims are handled domestically rather than returned to an overseas factory. Installation is at your own risk: we are not responsible for leaks or damage to other hardware.
Is shipping free?
Yes — shipping is included at this price for addresses in the lower 48 US states.
Are printed instructions included?
No printed manual is included. Installation references are in the product gallery images, and the install guides on this site cover the process step by step.
Do I need anything else to use it?
Check the parts list above against what you already have. If you are building a loop from scratch, send us the full parts list and we will tell you what is missing before you order.

Ask us before you order

Send your exact hardware model and we'll confirm the right part before you spend $169.99 — or tell you honestly that this isn't the one.

Returns are accepted within 30 days and are easy to start in the support center. Unopened items can be returned for store credit with no restocking fee; other returns carry a restocking fee, higher for items that have been installed or used.

Ask about compatibility