# Water block Barrow Kepler Series LTHOA-04N B silver — CPU/GPU cooling component

**URL:** https://aio.lv/en/product--barrow-lthoa-04n-b--11638698
**Data updated:** 2026-02-15 18:50 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** Barrow
**Manufacturer code:** LTHOA-04N B
**EAN:** 6937826617164
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 84.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 70.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--barrow-lthoa-04n-b--11638698

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Barrow Kepler Series LTHOA-04N B silver is a water block designed for PC liquid cooling systems. Manufactured by Barrow, model LTHOA-04N B provides a compact silver-finish block to integrate into custom loops for CPU or GPU cooling. It serves as a passive heat exchanger in a loop, facilitating temperature reduction and stable thermal performance in gaming, workstation, or overclocking setups.

## Long description

Barrow Kepler Series LTHOA-04N B silver is a compact water block intended for integration into custom PC liquid cooling loops to cool a CPU or GPU. Constructed with a silver finish, the block functions as a passive heat exchanger that channels coolant across a thermally conductive base to transfer heat away from the processor. The design suits systems where space is limited or where a low-profile component is required while maintaining steady thermal performance for gaming, workstation, or overclocked builds.
Advantages
The Barrow Kepler water block delivers direct liquid-to-metal contact with a refined cold plate surface to improve heat transfer efficiency. Its compact footprint and silver surface treatment provide corrosion resistance and a consistent appearance within a loop. The component is compatible with standard liquid cooling fittings and mounting solutions, enabling relatively straightforward installation into custom loops without extensive modifications.
Suitable for
Custom PC liquid cooling loops for CPUs
Custom PC liquid cooling loops for compatible GPUs
Compact or low-profile builds where space is limited
Systems requiring stable thermal control for gaming or workstation tasks
Key specifications
Function: passive liquid-cooled heat exchanger for processor cooling
Finish: silver surface treatment
Form factor: compact, low-profile block suitable for constrained installation spaces
Compatibility: designed for integration with standard custom liquid cooling fittings and mounting hardware
Material characteristics: thermally conductive base coupled with a corrosion-resistant finish
How to use
Install the water block into a custom loop following the motherboard or GPU maker’s mounting guide and the loop layout plan. Prepare the mounting surface by cleaning the processor heat spreader and applying the appropriate thermal interface material. Secure the block using the correct mounting brackets and screws, and connect inlet and outlet fittings to the loop tubing. After completing the loop, perform a pressure test or leak test with the pump off and then run the pump with the system powered in a controlled manner to check for correct flow and normal operating temperatures.
Usage recommendations
Use compatible coolant and corrosion inhibitors recommended for mixed-metal loops, verify threading and fitting types before assembly, and follow routine maintenance schedules: periodically inspect fittings and tubing, top up coolant, and check for sediment or discoloration to maintain long-term thermal performance.

## FAQ

### How much does the Barrow Kepler LTHOA-04N B water block cost, and is it available for purchase?

The price is 84.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Barrow Kepler LTHOA-04N B water block be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Barrow products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Barrow service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11638698/68521400_large.webp