# Rack computer case CHIEFTEC UNC-409S-B-OP — Black, supports ATX/micro ATX, 120 mm front fans, 80 mm rear fan, 2.5"/3.5" HDD, 482×480×177.5 mm

**URL:** https://aio.lv/en/product--chieftec-unc-409s-b-op--4438957
**Data updated:** 2025-12-02 06:17 (EET)
**Category:** Computer Cases
**Manufacturer:** CHIEFTEC
**Manufacturer code:** UNC-409S-B-OP
**EAN:** 0753263077653
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 172.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 142.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--chieftec-unc-409s-b-op--4438957

## 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 | 10.07 EUR |

## Summary description

CHIEFTEC UNC-409S-B-OP is a black rack computer case designed for ATX and micro ATX motherboards. It supports 120 mm front fans and an 80 mm rear fan, and accepts 2.5" and 3.5" hard drives. With dimensions 482 × 480 × 177.5 mm, it fits compact rack installations and offers practical drive compatibility and airflow options for small servers or workstation builds.

## Long description

The UNC-409S-B is a compact 4U ATX rackmount case designed for 19" racks, offering a short depth of 482 mm while supporting ATX and micro-ATX motherboards. Constructed from 1.2 mm SECC steel, the chassis provides rigid protection for installed hardware and suits long-term rack deployments. Front-panel connectivity includes two USB 3.1 ports, and the interior supports multiple drive sizes and optional fans for improved cooling.
Advantages
The chassis combines a reduced depth that fits racks with limited space and full compatibility with ATX motherboards. Durable 1.2 mm SECC steel construction increases physical protection and rack stability. Front USB 3.1 ports provide convenient high-speed access, and the design allows installation of optional fans to maintain airflow in dense server environments.
Key specifications
 Form factor: 19" rack chassis, 4U height
 Depth: 482 mm (short depth, \<500 mm)
 Motherboard support: ATX, micro-ATX
 Material: 1.2 mm SECC steel
 Cooling options: front 2 × 120 mm, rear 2 × 80 mm (fans optional)
 Front I/O: 2 × USB 3.1
 Supported drive sizes: 2.5", 3.5"
 3.5" drive bays: 1
 5.25" drive bays: 3
 Colour: Black
How to use
Install the chassis into a standard 19" rack and secure it using appropriate rack screws. Mount an ATX or micro-ATX motherboard on the internal standoffs, route cables to the front I/O and power supply, and install storage drives into the compatible 2.5" or 3.5" bays. For improved cooling, fit up to two 120 mm fans at the front and two 80 mm fans at the rear where supported; connect optional fans to available fan headers or the power supply. Use the two front USB 3.1 ports for high-speed external devices.
Recommendations
For optimal airflow in dense rack environments, install front intake fans and rear exhaust fans and maintain clear ventilation paths. Verify motherboard standoff positions before final assembly and use rack-mounting hardware rated for the combined weight of the chassis and installed components.

## Specifications

### Design

| Feature | Value |
|---|---|
| Form factor | Rack |
| Supported motherboard form factors | Micro ATX, ATX |
| Number of 3.5" bays | 1 |
| Number of 5.25" bays | 3 |
| Side window | No |
| Material | SECC |
| Product colour | Black |
| Certification | EAC |
| Rack mounting | Yes |
| Number of internal 3.5" bays | 3 |
| Maximum CPU cooler height | 140 mm |
| Maximum graphics card length | 350 mm |
| LED indicators | Y |
| Rack capacity | 4U |

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |

### Cooling

| Feature | Value |
|---|---|
| Number of front fans supported (max) | 2 |
| Front fans diameters supported | 120 |
| Rear fans diameters supported | 80 |
| Number of rear fans supported (max) | 2 |

### Storage

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

### Technical details

| Feature | Value |
|---|---|
| Compliance certificates | CE, RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Material thickness | 1.2 mm |
| Weight | 10.57 kg |
| Height | 177.5 mm |
| Width | 482 mm |
| Depth | 480 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 12210 g |

## FAQ

### How much does the CHIEFTEC UNC-409S-B-OP rack computer case cost, and is it available for purchase?

The price is 172.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 111 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, Installment. All transactions are 100% secure and encrypted.

### Can CHIEFTEC UNC-409S-B-OP rack computer case be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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: form factor, number of 3.5" bays, number of 5.25" bays, side window, 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.

### Where can I download the instructions for CHIEFTEC UNC-409S-B-OP rack computer case?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/4438957/66905830_large.webp