The SilverStone SST‑FHS120X is a high‑performance 120 mm × 38 mm (thick) industrial/server fan designed for compact high‑density systems. It features a giant‑bladed impeller that delivers strong static pressure and airflow, making it ideal for cramped cases, NAS enclosures, small servers, and other demanding cooling scenarios.

Key specifications:

• Speed range: 1 000 – 4 000 RPM, PWM‑controlled for precise performance tuning 
• Airflow: 143.98 CFM (≈ 240 m³/h) 
• Static pressure: 11.66 mm H₂O 
• Noise level: 51.8 dBA at maximum speed 
• Bearing: Dual ball bearing for long‑term reliability 
• Materials: PPE fan blades, PBT frame 
• Electrical: 12 V, 0.94 A, 11.28 W 
• Connector: 4‑pin PWM cable (≈ 300 mm) plus a 200 mm PWM‑to‑SATA splitter cable included 
• Dimensions & weight: 273 g

All original accessories – the 4‑pin PWM cable, the splitter cable, and mounting hardware – are included with the fan. The unit has been used only lightly and shows no cosmetic damage.