# Computer Case 1stCOOL RAINBOW 4 Mid Tower Black

**URL:** https://aio.lv/en/product--1stcool-ml-rainbow4-au-usb3--11485782
**Data updated:** 2025-12-30 21:26 (EET)
**Category:** Computer Cases
**Manufacturer:** 1stCool
**Manufacturer code:** ML-RAINBOW4-AU-USB3
**EAN:** 8594192891437
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 41.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 34.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--1stcool-ml-rainbow4-au-usb3--11485782

## 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 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The 1stCOOL RAINBOW 4 is a mid tower computer case featuring a sleek black design. It includes USB 3.0 ports for fast connectivity and comes equipped with four 120mm RGB fans for optimal cooling and aesthetic appeal. The spacious interior allows for easy installation of components, making it a great choice for gamers and PC builders alike.

## Long description

1stCOOL RAINBOW 4 Mid Tower in black is a computer case designed for desktop PC builds. The chassis is a mid tower form factor with a transparent side panel, front USB panel including USB 3.0 connectivity, front audio panel and comes preinstalled with four 120 mm RGB fans for cooling and lighting. The interior provides space for multiple storage drives and standard components required for custom or prebuilt systems.
Advantages
The case offers a balance of cooling and presentation with four 120 mm RGB fans and a transparent sidewall that reveals internal components. Front-facing USB and audio panels provide convenient access to peripherals and headphones. Its mid tower size supports common motherboard and component layouts while providing dedicated bays for 3.25" and 2.5" drives.
Suitable for
 Gaming PC builds
 Home or office desktop systems
 Custom or upgrade-friendly PC assemblies
Key specifications
 Form factor: Mid Tower
 Case colour: Black
 Side panel: Transparent sidewall
 Front panel ports: Front USB panel (including USB 3.0), Front audio panel
 Preinstalled fans: Four 120 mm RGB fans
 Drive bays: 3.25" (HDD) slots — 2; 2.5" slots — 2
 Brand: 1stCool; Model: RAINBOW 4; MPN: ML-RAINBOW4-AU-USB3; EAN: 8594192891437
How to use
Install the motherboard and power supply following standard PC building procedures, mount storage drives into the provided 3.25" and 2.5" bays, and install expansion cards in the rear slots. Connect the front USB and audio panel cables to the corresponding headers on the motherboard. The preinstalled RGB fans connect to the case controller or motherboard RGB header as applicable; refer to the motherboard manual for pinouts and to the fan/controller documentation for RGB and power connections.
Usage recommendations
Ensure airflow is unobstructed by cable-managing excess cables away from fan intakes. Use compatible RGB control software or the included controller to synchronize lighting, and verify that the motherboard has the necessary headers if you intend to control RGB directly from the board.

## FAQ

### How much does the Computer Case 1stCOOL RAINBOW 4 cost, and is it available for purchase?

The price is 41.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 1stCool 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 1stCool 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/11485782/66217215_large.webp