# PC case ENDORFY Signum 300 Air Tower Black — ATX tower, tempered side window, 3x120mm front fans, supports GPU 35 cm, PSU 18 cm

**URL:** https://aio.lv/en/product--endorfy-ey2a005--5070197
**Data updated:** 2026-01-21 10:59 (EET)
**Category:** Computer Cases
**Manufacturer:** ENDORFY
**Manufacturer code:** EY2A005
**EAN:** 5903018666242
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 45.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 38.01 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--endorfy-ey2a005--5070197

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 5.69 EUR |

## Summary description

ENDORFY Signum 300 Air is a black ATX tower PC case with a tempered side window, reset and power buttons, and anti-dust filters. It includes 3x120 mm front and 1x120 mm rear fans, supports up to 8 fans and liquid cooling, fits ATX/Micro-ATX/Mini-ITX motherboards, up to 35 cm GPU, 16.1 cm CPU cooler and 18 cm PSU. Two 2.5"/3.5" drive bays and two USB Type-A ports provide basic connectivity for gaming and home builds.

## Long description

The ENDORFY Signum 300 Air Tower Black is a mid-tower PC case designed for efficient airflow and flexible component layout. The case features a tempered glass side panel, support for multiple drive configurations, and room for long graphics cards and tall CPU coolers. With space for up to eight fans and included Stratus 120 PWM ARGB fans, the Signum 300 Air targets users who need strong cooling potential in a black tower chassis.
Advantages
The case offers a spacious interior that accommodates two 3.5-inch and two 2.5-inch drives (or four 2.5-inch drives), a 350 mm long graphics card, and a tall CPU cooler. A tempered glass side panel provides a clear view of internal components. Signum 300 Air includes four Stratus 120 PWM ARGB fans that support PWM control and fluid dynamic bearings for quiet, efficient operation. Multiple fan mounts and support for 120/240/360 mm radiators enable versatile air or liquid cooling setups.
Suitable for
Building a gaming PC with high-performance GPU and robust cooling
Home and office workstations that require quiet airflow and component visibility
Compact ATX or Micro-ATX builds with multiple storage drives
Key specifications
Form factor: Tower (supports ATX, Micro ATX, Mini-ITX)
Drive bays: 2 × 3.5" and 2 × 2.5" (or up to 4 × 2.5")
Maximum GPU length: 350 mm
Fan support: up to 8 fans; includes 4 × Stratus 120 PWM ARGB fans
Radiator support: 120 / 240 / 360 mm
Side panel: Tempered glass
Front I/O: 2 × USB 2.0
Dimensions (approx.): 413 × 216 × 447 mm
Colour: Black
How to use
Install the motherboard (ATX, Micro-ATX or Mini-ITX) onto the standoffs, then mount the PSU in the designated bay. Fit storage drives into the 3.5" or 2.5" brackets depending on your configuration. Install the CPU cooler and graphics card (up to 350 mm) ensuring clearance for cables and airflow. Connect the included Stratus 120 PWM ARGB fans to the motherboard or a controller for PWM speed control and ARGB lighting management. Route cables behind the motherboard tray to keep airflow unobstructed.
Usage recommendations
For best cooling performance, combine front intake fans with top or rear exhaust fans, keep cable routing tidy to avoid blocking airflow, and use PWM fan headers to balance noise and cooling. If using liquid cooling, verify radiator placement and clearance before assembly.

## Specifications

### Design

| Feature | Value |
|---|---|
| Type | PC |
| Form factor | Tower |
| Supported motherboard form factors | ATX, Micro ATX, Mini-ITX |
| Number of 3.5" bays | 2 |
| Number of 2.5" bays | 2 |
| Side window | Yes |
| Product colour | Black |
| Anti-dust filter | Yes |
| Maximum CPU cooler height | 161 mm |
| Maximum graphics card length | 350 mm |
| Number of expansion slots | 7 |
| Maximum PSU length | 180 mm |
| Reset button | Yes |
| On/off button | Yes |
| Tempered glass panel(s) | Yes |

### Power supply

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

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 2 |
| Audio input | Yes |

### Cooling

| Feature | Value |
|---|---|
| Front fans installed | 3x 120 mm |
| Rear fans installed | 1x 120 mm |
| Rear radiator sizes supported | 120 |
| Front radiator sizes supported | 360, 240, 120 |
| Top radiator sizes supported | 240, 120 |

### Storage

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 447 mm |
| Width | 413 mm |
| Depth | 216 mm |

## FAQ

### How much does the ENDORFY Signum 300 Air — PC case ATX Tower cost, and is it available for purchase?

The price is 45.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 40 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 25.06.2026 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. 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 ENDORFY 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 ENDORFY 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.

### Where can I download the instructions for ENDORFY Signum 300 Air — PC case ATX Tower?

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/5070197/64979941_large.webp