# Computer case CHIEFTEC CI-03B-OP Cube Black — Cube form factor, supports Micro ATX/Mini-ITX, 2x3.5" + 2x2.5", 1x200 mm front fan

**URL:** https://aio.lv/en/product--chieftec-ci-03b-op--11649299
**Data updated:** 2025-12-06 23:41 (EET)
**Category:** Computer Cases
**Manufacturer:** CHIEFTEC
**Manufacturer code:** CI-03B-OP
**EAN:** 753263079275
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 37.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--chieftec-ci-03b-op--11649299

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 5.40 EUR |

## Summary description

CHIEFTEC CI-03B-OP is a compact cube PC case in black designed for Micro ATX and Mini-ITX systems. Dimensions: 265×385×355 mm. It includes one preinstalled 200 mm front fan and supports a 200 mm front and 120 mm rear fan. Drive bays accommodate two 3.5" and two 2.5" drives. No PSU, no side window and no front USB ports—suitable for small desktop builds and HTPC or office systems.

## Long description

Cube PC Home/Office chassis designed for micro ATX and Mini-ATX motherboards, offering support for both 2.5" and 3.5" hard drives. The case includes multiple internal bays and an anti-dust filter, finished in black for a neutral appearance suitable for home or office environments.
Advantages
The chassis supports compact micro ATX and Mini-ATX systems while providing bays for both 2.5" and 3.5" drives, allowing flexible storage configurations. An integrated anti-dust filter helps reduce dust ingress and maintain component cleanliness. Its black color provides a discreet, professional look that fits various setups.
Key specifications
Form factor compatibility: micro ATX, Mini-ATX
Supported HDD sizes: 2.5", 3.5"
Number of 2.5" bays: 2
Number of 3.5" bays: 2
Feature: Anti-dust filter
Color: Black
Intended use: Home / Office (Cube PC)
How to use
Install a micro ATX or Mini-ATX motherboard into the case following the motherboard and case manual. Mount 2.5" and 3.5" drives into the corresponding bays and secure them with screws or tool-less mounts if available. Connect power and data cables from the power supply and motherboard to each drive. Ensure the anti-dust filter is positioned correctly and clean it periodically to maintain airflow and reduce dust buildup.
Recommendations
Regularly clean the anti-dust filter and internal components to prolong hardware life. Verify motherboard dimensions and internal component clearances before purchasing additional large cooling solutions or long graphics cards to ensure compatibility with the cube-style micro ATX / Mini-ATX case.

## Specifications

### Design

| Feature | Value |
|---|---|
| Type | PC |
| Form factor | Cube |
| Supported motherboard form factors | Micro ATX, Mini-ATX |
| Number of 3.5" bays | 2 |
| Number of 2.5" bays | 2 |
| Side window | No |
| Product colour | Black |
| Illumination | No |
| Anti-dust filter | Yes |
| Suitable for | Home/Office |
| Number of internal 3.5" bays | 2 |
| Maximum CPU cooler height | 160 mm |
| Maximum graphics card length | 335 mm |
| Number of expansion slots | 4 |
| Reset button | Yes |
| On/off button | Yes |
| Tempered glass panel(s) | No |
| RGB control button | No |

### Power supply

| Feature | Value |
|---|---|
| Power supply included | No |

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Audio input | Yes |
| Audio output | Yes |
| USB Type-C ports quantity | 1 |

### Cooling

| Feature | Value |
|---|---|
| Front fans installed | 1x 200 mm |
| Number of front fans supported (max) | 1 |
| Front fans diameters supported | 200 |
| Rear fans diameters supported | 120 |
| Top fans diameters supported | 120, 240, 200 |
| Number of rear fans supported (max) | 1 |
| Number of top fans supported (max) | 2 |
| Suitable location | Computer case |
| Liquid cooling capability | Yes |
| Rear radiator sizes supported | 120 |
| Front radiator sizes supported | 200 |
| Top radiator sizes supported | 240, 120 |

### Storage

| Feature | Value |
|---|---|
| Supported HDD sizes | 2.5, 3.5 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Material thickness | 0.6 mm |
| Height | 355 mm |
| Width | 265 mm |
| Depth | 385 mm |

## FAQ

### How much does the CHIEFTEC CI-03B-OP Cube PC case cost, and is it available for purchase?

The price is 44.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 219 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 01.07.2026 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 CHIEFTEC 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 CHIEFTEC 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, form factor, number of 3.5" bays, number of 2.5" bays, number of 5.25" bays, side window, power supply included, usb 2.0 ports quantity, usb 3.2 gen 1 (3.1 gen 1) type-a ports quantity, supported motherboard form factors, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11649299/66916862_large.webp