PC Tower ENDORFY Signum 300 Air Black

Name: PC Tower ENDORFY Signum 300 EY2A005
Brand: SilentiumPC
SKU: 5856638
Price: 52.49 EUR
Availability: InStock

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PC Tower ENDORFY Signum 300 Air Black 3x120mm Fans 360mm Radiator

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Short description

The ENDORFY Signum 300 Air Tower in Black features a sleek design with 3x120mm front fans and 1x120mm rear fan. It supports 120, 240, and 360mm front radiators and accommodates 2.5 and 3.5" HDD sizes. With dimensions of 413mm width, 216mm depth, and 447mm height, it offers ample space for cooling and storage.

Available for order: 10 pcs.

Warranty: 2 Years

SKU: 5856638

Manufacturer: SilentiumPC

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

01.07.2026 {{selectedOffer.officeDeliveryString}}

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Customer service center

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

01.07.2026 {{selectedOffer.officeDeliveryString}}

free

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

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From 5.75 € (Weight: 6.09 kg)

Parcel couriers

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

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From 1.99 €

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Payment Methods:

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

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Product information

Description

Signum 300 Air is a mid-tower PC case in black with a tempered glass side panel that provides a clear view of internal components. The chassis supports ATX, Micro-ATX and Mini-ITX motherboards and offers space for up to two 3.5" drives and two 2.5" drives. The case supports long GPU cards (up to 350 mm), tall CPU coolers and multiple cooling options including front radiators up to 360 mm. The package includes four Stratus 120 PWM ARGB fans and the design allows up to eight fans in total.

Advantages

The Signum 300 Air combines a roomy interior with broad cooling compatibility, including support for 120/240/360 mm front radiators and up to eight fan mounts. A tempered glass side panel offers component visibility while the included Stratus 120 PWM ARGB fans provide PWM speed control and long-life fluid dynamic bearings for quiet, efficient airflow. The case fits a variety of storage configurations and common motherboard sizes, making it flexible for gaming, content creation and general-purpose builds.

Suitable for

Gaming PC builds with large graphics cards and advanced cooling
Home or small office workstations that require quiet cooling
Content-creation rigs with multiple drives and tall CPU coolers

Key specifications

Form factor: Tower (mid-tower)
Supported motherboards: ATX, Micro-ATX, Mini-ITX
Drive bays: 2 × 3.5" + 2 × 2.5" (or 4 × 2.5" equivalent)
Included fans: 4 × Stratus 120 PWM ARGB; total fan mounts up to 8
Radiator support: front up to 360 mm (also supports 120 mm and 240 mm)
Maximum GPU length: 350 mm
Side panel: tempered glass
Front I/O: 2 × USB 2.0
Power supply: not included
Colour: Black
Dimensions (approx.): Width 216 mm × Depth 413 mm × Height 447 mm

How to use

Install the compatible motherboard (ATX, Micro-ATX or Mini-ITX) on the standoffs, mount the power supply in the designated bay and secure drives in the 3.5" or 2.5" trays. Fit the graphics card (up to 350 mm) in the PCIe slots and install a CPU cooler that fits the available height. Connect the included Stratus 120 PWM ARGB fans to appropriate headers or a controller and route cables to maintain unobstructed airflow. If you plan to use a front radiator, confirm clearance for the chosen radiator thickness and fan configuration before final assembly.

Usage recommendations

For balanced noise and cooling performance, use the PWM fan headers to set a curve that increases fan speed under higher CPU/GPU load. When installing multiple drives or a 360 mm radiator, plan cable routing and component placement to avoid blocking front airflow and ensure optimal intake through the front fan mounts.

Specifications

Type:: PC
Form factor:: Tower
Number of 3.5" bays:: 2
Number of 2.5" bays:: 2
Number of 5.25" bays:: 0
Side window:: Yes
Power supply included:: No
USB 2.0 ports quantity:: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:: 0
Supported motherboard form factors:: ATX, Micro ATX, Mini-ITX
Product colour:: Black

All features

Design

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
Number of 5.25" bays:: 0
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

Power supply included:: No

Ports & interfaces

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

Cooling

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

Supported HDD sizes:: 2.5, 3.5

Weight & dimensions

Height:: 447 mm
Width:: 413 mm
Depth:: 216 mm

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Instructions

silentiumpc-EY2A005-5856638.pdf

Description

Instructions

silentiumpc-EY2A005-5856638.pdf

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Customer questions

FAQ

How much does the PC Tower ENDORFY Signum 300 Air Black cost, and is it available for purchase?

The price is 52.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 SilentiumPC 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 SilentiumPC 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 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 PC Tower ENDORFY Signum 300 Air Black?

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.

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