Computer case Chieftec CS-12B-300

Name: Computer case Mini Tower Chieftec CS-12B-300
Brand: CHIEFTEC
SKU: 3589416
Price: 79.49 EUR
Availability: InStock

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Computer case Mini Tower Chieftec CS-12B-300 Black 300 W

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Short description

The Chieftec CS-12B-300 is a compact Mini Tower computer case designed for efficient cooling and easy installation. It features a sleek black design, a 300 W power supply, and supports both 2.5" and 3.5" HDD sizes. With one 80 mm front fan installed, it ensures optimal airflow. Dimensions are 102 mm in width, 356 mm in depth, and 338 mm in height, making it a perfect choice for space-constrained setups.

Available at price 79.49 €: 10 pcs.

Total available for order: 524 pcs.

Warranty: 2 Years

SKU: 3589416

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2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 5.00 kg)

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36 months installment: from 2.21 euros per month

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Product information

Description

The CS-12B-300 is a compact, multifunctional micro-ATX chassis designed for both horizontal and vertical placement. Its space-efficient design supports a full mATX motherboard while maintaining a clean external appearance. The case ships with a low-noise TFX power supply model GPF-300P, providing integrated power for typical small-form-factor builds.

Advantages

The chassis features quick-release bracket technology that simplifies component installation and maintenance. With four expansion slots it supports up to four half-height PCI cards, enabling flexible expansion options. Bundling with the GPF-300P TFX power supply reduces the need to source a separate PSU and helps ensure compatibility in compact builds.

Key specifications

Form factor: micro-ATX (mATX) compatible
Orientation: supports horizontal and vertical placement
Expansion slots: 4 (supports up to 4 half-height PCI cards)
Included power supply: TFX GPF-300P, low-noise, 300 W
Drive bays and internal layout: compact, optimized for small-form-factor components

How to use

Install an mATX motherboard into the case using the quick-release brackets to secure the board and other components quickly. Fit expansion cards into the available half-height slots and connect power from the included GPF-300P TFX supply. Mount storage and cooling components according to the internal layout, ensuring cables are routed to maintain airflow and access to ports whether the chassis is positioned horizontally or vertically.

Recommendations

The case is suited for compact workstation or home systems where space is limited; verify compatibility of your cooling solution and full-length expansion cards before assembly and use a low-profile CPU cooler if needed.

Specifications

Type:: PC
Form factor:: Mini Tower
Number of 3.5" bays:: 1
Number of 2.5" bays:: 1
Number of 5.25" bays:: 1
Side window:: No
Power supply:: 300 W
Power supply included:: Yes
USB 2.0 ports quantity:: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:: 2
Weight:: 4.75 kg
Supported motherboard form factors:: Mini-ITX
Material:: SGCC
Product colour:: Black

All features

Design

Type:: PC
Form factor:: Mini Tower
Supported motherboard form factors:: Mini-ITX
Number of 3.5" bays:: 1
Number of 2.5" bays:: 1
Number of 5.25" bays:: 1
Side window:: No
Material:: SGCC
Product colour:: Black
Illumination:: No
Suitable for:: Home/Office
Maximum CPU cooler height:: 85 mm
Maximum graphics card length:: 195 mm
Number of expansion slots:: 4
Number of external 5.25" bays:: 1
Reset button:: Yes
On/off button:: Yes

Power supply

Power supply:: 300 W
Power supply included:: Yes

Ports & interfaces

USB 2.0 ports quantity:: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:: 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:: 0
Audio input:: Yes
Audio output:: Yes
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:: 0

Cooling

Front fans installed:: 1x 80 mm
Number of front fans supported (max):: 1
Front fans diameters supported:: 80

Storage

Supported HDD sizes:: 2.5, 3.5

Weight & dimensions

Material thickness:: 0.6 mm
Weight:: 4.75 kg
Height:: 338 mm
Width:: 102 mm
Depth:: 356 mm

Logistics data

Harmonized System (HS) code:: 84733080

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Warehouse	Stock	Delivery to the store	Store Price
WH115	10	30.06.2026 Best delivery	79.49 € Best price
EU16	3	30.06.2026 Best delivery	89.99 €
WH94	3	30.06.2026 Best delivery	91.49 €
WH337	5	30.06.2026 Best delivery	92.99 €

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Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
EU4	500	14.07.2026	99.49 €
WH109	3	14.07.2026	104.99 €

79.49 €

Stock: 10

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH115

89.99 €

Stock: 3

Delivery Date: 30.06.2026 Best delivery

Warehouse: EU16

91.49 €

Stock: 3

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH94

92.99 €

Stock: 5

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH337

Available only for legal entities

99.49 €

Stock: 500

Delivery Date: 14.07.2026

Warehouse: EU4

104.99 €

Stock: 3

Delivery Date: 14.07.2026

Warehouse: WH109

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Customer questions

FAQ

How much does the Computer case Chieftec CS-12B-300 cost, and is it available for purchase?

The price is 79.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 524 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 30.06.2026 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, Installment. All transactions are 100% secure and encrypted.

Can Computer case Chieftec CS-12B-300 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Computer case Chieftec CS-12B-300 online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
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Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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, power supply included, usb 2.0 ports quantity, usb 3.2 gen 1 (3.1 gen 1) type-a ports quantity, weight, supported motherboard form factors, material, 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.

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