CHIEFTEC GS-03B-OP Midi Tower PC case

Name: PC case CHIEFTEC GS-03B-OP Midi GS-03B-OP
Brand: CHIEFTEC
SKU: 11357951
Price: 56.49 EUR
Availability: InStock

Shop for gifts early

Save time and money with our discounts!

PC case CHIEFTEC GS-03B-OP Midi Tower, black — supports Mini-ITX/Micro-ATX/ATX/EATX, 3×140mm front fans + 1 rear fan, 2×3.5" bays, side window

Fast shipping

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 1

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 2

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 3

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 4

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 5

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 6

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 7

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 8

CHIEFTEC GS-03B-OP Midi Tower PC case Photo 9

Keep track of price changes You keep track of price changes

Scan qr code below, or type in manually: {{secretKey}}

Forgot password? Registration

Short description

The CHIEFTEC GS-03B-OP is a black Midi Tower PC case designed for Mini-ITX, Micro-ATX, ATX and EATX motherboards. It comes with three pre-installed 140 mm front fans and one rear fan for improved airflow, supports 2.5" and 3.5" drives with two 3.5" bays, and features a side window. Dimensions: 238×440×450 mm; weight about 8–9.3 kg.

Available at price 56.49 €: 50 pcs.

Total available for order: 368 pcs.

Warranty: 2 Years

SKU: 11357951

Learn more

Deliver the order:

{{ userCountryName }}

to the Customer Service Center at Kengaraga 2b, Riga

Tomorrow {{selectedOffer.officeDeliveryString}}

free

All delivery methods Hide details

Customer service center

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

Tomorrow {{selectedOffer.officeDeliveryString}}

free

Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!

Friday {{selectedOffer.courierDeliveryString}}

From 7.10 € (Weight: 8.01 kg)

Parcel couriers

Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts nodaļa

Friday {{selectedOffer.parcelStationDeliveryString}}

From 1.99 €

More about delivery methods

Payment Methods:

Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay

More about payment methods

You saving {{productBundleYouSave | formatAmount}}

Product information

Description

The Chieftec GS-03B-OP is a black Midi Tower PC case designed to accommodate Mini-ITX, Micro ATX, ATX and EATX motherboards. It includes a side window, dust filters and preinstalled cooling fans to support internal airflow and mounting of 2.5" and 3.5" drives. The case dimensions provide space for typical gaming and productivity builds while keeping a compact mid-tower footprint.

Advantages

The case comes with multiple preinstalled fans to improve airflow, a side window for component visibility, and anti-dust filtering to reduce maintenance. It supports several motherboard form factors and both 2.5" and 3.5" drive sizes, offering flexibility for storage and system configuration.

Suitable for

Home or office desktop builds
Mid-range gaming PCs
Productivity and multimedia workstations
Systems requiring multiple HDDs or SSDs (2.5" and 3.5")

Key specifications

Form factor: Midi Tower
Supported motherboard sizes: Mini-ITX, Micro ATX, ATX, EATX
Preinstalled fans: front and rear configuration (includes three 140 mm front fans and one rear fan)
Side window: yes
Dust filter: yes
Drive support: 2.5" and 3.5" HDD/SSD bays
Exterior colour: black
Dimensions (approx.): 238 mm (W) x 440 mm (D) x 450 mm (H)
Weight: 8.06 kg

How to use

Install a compatible motherboard (Mini-ITX, Micro ATX, ATX or EATX) following the standoffs and I/O alignment, mount storage drives into the dedicated 2.5" or 3.5" bays, and connect the preinstalled fans to the motherboard fan headers or a fan controller. Install the power supply in the designated compartment and route cables through the case cutouts for optimal airflow and neat cable management. Verify front-panel connectors are connected to the motherboard header before powering on.

Usage recommendations

For reliable cooling performance, use the case's preinstalled front 140 mm fans in combination with the rear fan and keep dust filters clean. When installing high-profile CPU coolers or long graphics cards, check component clearance against the case dimensions. Use 2.5" SSDs for faster system drives and 3.5" HDDs for larger mass storage.

Specifications

Type:: PC
Form factor:: Midi Tower
Number of 3.5" bays:: 2
Number of 5.25" bays:: 0
Side window:: Yes
Power supply included:: No
Weight:: 8.06 kg
Supported motherboard form factors:: Mini-ITX, Micro ATX, EATX, ATX
Product colour:: Black

All features

Design

Type:: PC
Form factor:: Midi Tower
Supported motherboard form factors:: Mini-ITX, Micro ATX, EATX, ATX
Number of 3.5" bays:: 2
Number of 5.25" bays:: 0
Side window:: Yes
Product colour:: Black
Illumination:: Yes
Anti-dust filter:: Yes
Illumination colour:: Multi
Suitable for:: Gaming
Number of internal 3.5" bays:: 2
Maximum CPU cooler height:: 178 mm
Maximum graphics card length:: 425 mm
Number of expansion slots:: 7
Number of internal 5.25" bays:: 0
Maximum PSU length:: 200 mm
Illumination location:: Back, Bottom, Case fans, Front, Top
On/off button:: Yes
Tempered glass panel(s):: Yes
RGB control button:: Yes

Power supply

Power supply included:: No

Ports & interfaces

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

Front fans installed:: 3x 140 mm
Number of front fans supported (max):: 3
Front fans diameters supported:: 140, 120
Rear fans diameters supported:: 140, 120
Top fans diameters supported:: 240, 360, 280, 140, 120
Number of rear fans supported (max):: 1
Number of top fans supported (max):: 3
Rear fans installed:: 1x 140 mm
Liquid cooling capability:: Yes
Rear radiator sizes supported:: 140, 120
Front radiator sizes supported:: 360, 280, 240
Top radiator sizes supported:: 360
Fan speed control:: Yes

Storage

Supported HDD sizes:: 2.5, 3.5

Weight & dimensions

Weight:: 8.06 kg
Height:: 450 mm
Width:: 238 mm
Depth:: 440 mm

Packaging data

Package weight:: 9280 g
LED controller:: Yes

Packaging content

Manual:: Yes

Hide Show all

Description

Machine translation. Load original

{{highlightedFeature.featureTitle}}:

{{getProductFeatureValueById(product, highlightedFeature.featureId)}}

Warehouse	Stock	Delivery to the store	Store Price
BT19	50	Tomorrow Best delivery	56.49 € Best price
EU1	25	26.06.2026	63.99 €
WH323	175	25.06.2026	70.99 €
WH337	30	01.07.2026	71.49 €
EU58	75	09.07.2026	71.99 €
EU16	5	01.07.2026	86.49 €

Show all offers Hide

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
BT11	6	07.07.2026	71.99 €
WH109	2	15.07.2026	98.49 €

56.49 €

Stock: 50

Delivery Date: Tomorrow Best delivery

Warehouse: BT19

63.99 €

Stock: 25

Delivery Date: 26.06.2026

Warehouse: EU1

70.99 €

Stock: 175

Delivery Date: 25.06.2026

Warehouse: WH323

71.49 €

Stock: 30

Delivery Date: 01.07.2026

Warehouse: WH337

71.99 €

Stock: 75

Delivery Date: 09.07.2026

Warehouse: EU58

86.49 €

Stock: 5

Delivery Date: 01.07.2026

Warehouse: EU16

Available only for legal entities

71.99 €

Stock: 6

Delivery Date: 07.07.2026

Warehouse: BT11

98.49 €

Stock: 2

Delivery Date: 15.07.2026

Warehouse: WH109

Customer reviews

Show all reviews

Customer questions

FAQ

How much does the CHIEFTEC GS-03B-OP Midi Tower PC case cost, and is it available for purchase?

The price is 56.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 368 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 Tomorrow 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: Cash payment, 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. 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 5.25" bays, side window, power supply included, weight, 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.

Show all questions