# Thermal paste QOLTEC 51637 — heat-conductive compound for CPUs and GPUs

**URL:** https://aio.lv/en/product--qoltec-51637--767830
**Data updated:** 2026-03-07 10:54 (EET)
**Category:** Thermal Paste
**Manufacturer:** QOLTEC
**Manufacturer code:** 51637
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-10 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-51637--767830

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

QOLTEC 51637 is a heat sink compound designed to improve thermal transfer between processors and cooling solutions. This thermal paste fills microscopic gaps between a CPU/GPU and heatsink to enhance heat dissipation and stabilise operating temperatures. Suitable for desktop and laptop CPUs, GPUs and other electronic components requiring improved thermal interface performance.

## Long description

QOLTEC 51637 is a thermally conductive paste engineered to improve heat transfer between CPUs, GPUs and their cooling solutions. The compound fills microscopic gaps and surface irregularities between a processor and the heatsink, improving contact and enabling more consistent dissipation of heat. It is suitable for desktop and laptop processors as well as other electronic components that benefit from a stable thermal interface.
Advantages
The paste combines high thermal conductivity with electrical insulation, allowing effective heat transfer without creating conductive paths. It spreads easily to fill micro-gaps, is simple to apply, and maintains its properties during long-term use. These characteristics reduce the need for frequent reapplication while helping to stabilise operating temperatures.
Suitable for
 Desktop CPU and GPU cooling assemblies
 Laptop processor and graphics module thermal interfaces
 Small electronic components and power ICs that require improved heat transfer
 Repair, maintenance and system upgrades where improved thermal contact is needed
Key specifications
 Thermal compound type: heat-conductive paste
 Primary properties: high thermal conductivity and electrical insulation
 Application form: spreadable paste suitable for manual application
 Compatibility: designed for use between processors and heatsinks on desktop and laptop platforms
 Durability: long-lasting performance without frequent replacement
How to use
Before application, power off the system and disconnect from mains. Clean both the processor surface and heatsink base from old thermal compound, dust and oils using isopropyl alcohol or a suitable cleaning agent and a lint-free cloth. Apply a small, pea-sized amount of QOLTEC 51637 to the centre of the processor die or IHS, then mount the heatsink and secure it according to the manufacturer’s instructions so the paste spreads evenly. For laptops or constrained spaces, use an appropriate thin layer and avoid excessive pressure that could squeeze out the compound. Allow the system to reach normal operating conditions to settle the thermal interface.
Usage recommendations
Use the paste sparingly — a thin, even layer ensures best thermal contact. Avoid contact with exposed electrical connectors and follow antistatic precautions. Replace the paste during major maintenance or when removing the heatsink to ensure consistent thermal performance.

## FAQ

### How much does the Thermal paste QOLTEC 51637 cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 47 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 02.07.2026 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. 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 51637?

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/767830/56507607_large.webp