# Thermal paste QOLTEC 51634 – heat sink compound for CPU/GPU cooling

**URL:** https://aio.lv/en/product--qoltec-51634--767827
**Data updated:** 2026-03-07 10:54 (EET)
**Category:** Thermal Paste
**Manufacturer:** QOLTEC
**Manufacturer code:** 51634
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.49 €
**Prices and availability valid until:** 2026-11-06 23:59
**Price without VAT (21%):** 13.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-51634--767827

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.10.2026 | free |
| Pickup points | 26.10.2026 | 1.99 EUR |
| Courier delivery to door | 26.10.2026 | 4.99 EUR |

## Summary description

QOLTEC 51634 is a heat sink compound (thermal paste) designed to improve thermal contact between processors or graphics chips and heatsinks. It provides an even thermal interface for CPU and GPU cooling, suitable for assembly, maintenance, or upgrades of desktop PCs and laptops. Use to reduce operating temperatures and enhance cooling efficiency where a thermal interface material is required.

## Long description

QOLTEC 51634 is a thermally conductive paste formulated to improve thermal transfer between CPUs or GPUs and heatsinks. This heat sink compound creates a uniform thermal interface that fills microscopic gaps and irregularities on contact surfaces, helping to reduce operating temperatures and improve the efficiency of cooling systems in desktop PCs and laptops. The product is electrically insulating, easy to apply, and designed for long-term stability without rapid degradation of thermal properties.
Advantages
The thermal paste offers high thermal conductivity combined with electrical insulation, enabling safer application around sensitive components. Its consistency allows it to perfectly fill micro-gaps and uneven surfaces, ensuring reliable heat flow from the processor to the heatsink. The compound is easy to spread during assembly or maintenance and maintains its performance over extended use without frequent replacement.
Suitable for
 Replacing or applying thermal interface material on desktop CPU and GPU coolers
 Thermal maintenance and upgrades of laptop processors and graphics chips
 PC building, overclocking setups where improved heat transfer is required
 Repair and refurbishment of cooling solutions in compact electronics
Key specifications
 Form: thermally conductive paste suitable for manual application
 Electrical properties: electrically insulating to reduce short-circuit risk
 Thermal behavior: high thermal conductivity for efficient heat transfer
 Application properties: smooth consistency for easy spreading and gap filling
 Durability: stable performance designed for long-term use without rapid drying or separation
How to use
Clean the contact surfaces of the processor and heatsink from old thermal material and contaminants using an appropriate solvent, then allow surfaces to dry. Apply a small, pea-sized amount of QOLTEC 51634 onto the centre of the processor die or use a thin, even layer on the heatsink base depending on your preferred method. Reattach the heatsink with even pressure to spread the compound and eliminate air pockets. Ensure screws or mounting clips are fastened to the manufacturer's recommended torque or pressure for reliable contact.
Usage recommendations
For best results, use the paste sparingly—excess material can increase thermal resistance. Avoid applying on exposed electrical contacts despite the compound’s insulating properties, and store the product in a cool, dry place with the cap secured to prevent contamination or drying. Inspect thermal performance during routine maintenance and reapply only if thermal performance degrades or if the heatsink is removed.

## FAQ

### How much does the Thermal paste QOLTEC 51634 cost, and is it available for purchase?

The price is 16.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 627 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 21.10.2026 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. All transactions are 100% secure and encrypted.

### 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 QOLTEC 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 QOLTEC 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

### Where can I download the instructions for Thermal paste QOLTEC 51634?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/767827/70077515_large.webp