Computer Case Inter-Tech 4F28 Rack Black, Silver

The 4F28 Mining is a 19" 4U rack case with a 650 mm installation depth, designed to house mining rigs or storage-heavy servers. It accepts motherboards up to 12" x 13" (supporting Mini-ITX, Micro-ATX, ATX and EATX) and provides space for up to 28× 3.5" HDD and up to 4× 2.5" SSD. The chassis is made of steel in a black and silver finish and includes front USB 2.0 connectors for basic connectivity.

Advantages

The rack case offers a high drive density with 28 bays for 3.5" drives while keeping a compact 4U height and a 650 mm installation depth. Robust steel construction ensures secure support for multiple hard drives and components. Preinstalled fans provide active cooling across the drive bays and motherboard area, and front USB 2.0 ports allow simple external device connection.

Suitable for

• Cryptocurrency mining rigs
• High-capacity NAS or storage servers
• Server builds using ATX, EATX, Micro-ATX or Mini-ITX motherboards
• Environments requiring multiple 3.5" HDDs (backup, archiving)

Key specifications

• Form factor: 19" rack, 4U
• Installation depth: 650 mm
• Supported motherboards: Mini-ITX, Micro-ATX, ATX, EATX (max 12" x 13")
• 3.5" bays: up to 28
• 2.5" bays: up to 4
• Front ports: 2× USB 2.0
• Material: Steel
• Colour: Black, Silver
• Weight: 11.36 kg

How to use

Mount the 4F28 Mining into a compatible 19" rack using the external mounting ears or rails as required. Install the selected motherboard and secure drives in the 3.5" or 2.5" bays according to their trays or caddies. Connect power supply, data cables and front USB wiring to the motherboard. Ensure the preinstalled 120 mm fans are unobstructed and configured for proper airflow from front to rear or through the middle bar, depending on your rack airflow layout.

Recommendations

For reliable operation, use quality power supplies with adequate wattage and cooling capacity. Place the case in a rack with sufficient ventilation and verify that intake and exhaust paths are not blocked. Regularly monitor drive temperatures and clean dust filters or fans to maintain cooling performance.