# CPU active cooler Darkflash E400 (black) — tower air cooler for processors

**URL:** https://aio.lv/en/product--darkflash-e400-black--11673473
**Data updated:** 2026-01-12 19:37 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** Darkflash
**Manufacturer code:** E400 Black
**EAN:** 4711527007149
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 35.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 29.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--darkflash-e400-black--11673473

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Darkflash E400 is an active CPU cooler in a tower air-cooling design, finished in black. It provides direct processor cooling with a heatsink and fan assembly suitable for typical desktop CPUs. Use it to lower CPU temperatures under load, improve system stability and reduce thermal throttling in everyday computing and gaming builds.

## Long description

Darkflash E400 (black) is a tower-style active CPU cooler designed for mainstream desktop processors. The cooler combines a vertical aluminium heatsink with a single fan to deliver improved heat dissipation compared to stock coolers. Finished in black, the E400 fits typical mid-tower systems and is intended to lower CPU temperatures under load, helping maintain stability and reduce thermal throttling for everyday computing and gaming scenarios.
Advantages
The Darkflash E400 offers effective air cooling in a compact tower form factor with a focus on straightforward compatibility and quiet operation. Its heatsink and fan assembly provide direct CPU heat transfer and are optimized to balance airflow and acoustic performance. The black finish provides a neutral aesthetic that integrates with a variety of system builds.
Suitable for
 Everyday desktop PCs using mainstream Intel or AMD processors
 Budget or mid-range gaming systems where improved cooling over stock coolers is desired
 Home office and multimedia computers that require stable CPU temperatures under sustained load
 Upgrades in mid-tower cases with standard CPU cooler clearance
Key specifications
 Product type: tower air CPU cooler
 Model: Darkflash E400 (black)
 Brand: Darkflash
 MPN: E400 Black
 EAN: 4711527007149
How to use
Install the Darkflash E400 by first removing the existing cooler and cleaning the CPU heatspreader. Apply a thin, even layer of compatible thermal paste to the CPU, align the E400 mounting bracket with the motherboard socket according to the included instructions, and secure the cooler with the provided screws or retention mechanism. Connect the fan cable to the motherboard CPU\_FAN or appropriate fan header and verify fan operation in BIOS or monitoring software. Ensure sufficient clearance for RAM modules and case panels before finalizing installation.
Usage recommendations
The cooler is designed for standard desktop use; for overclocking or high-TDP CPUs, verify thermal requirements and consider higher-capacity cooling solutions. Maintain the fan and heatsink free of dust to preserve airflow; periodic cleaning with compressed air is recommended.

## FAQ

### How much does the CPU cooler Darkflash E400 (black) cost, and is it available for purchase?

The price is 35.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 09.07.2026 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 Darkflash 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 Darkflash 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/11673473/66982013_large.webp