Specifications
The model is called Ant Esports Si11 and supports Micro‑ATX and Mini‑ITX motherboards. 
The external / chassis dimensions are 300 mm (length) × 190 mm (width) × 385 mm (height). 
Storage options include two 3.5‑inch HDD bays and four 2.5‑inch SSD mounts. There is no 5.25‑inch optical drive bay.
Fan support: it can accommodate two fans in the front (either 2 × 120 mm or 2 × 140 mm), plus one 120 mm fan at the rear. There are no fan slots on the top, bottom, or side. 
Pre‑installed fan: the case comes with one 120 mm fan pre‑installed at the rear. 
Compatibility / clearance: the maximum GPU (VGA card) length supported is 255 mm, and CPU air‑cooler height up to 160 mm. 
Cable management: there is ~28 mm of wire‑management space behind the motherboard tray to help with tidy cable routing. 
Drive bays and expansion slots: 4 expansion slots (for PCI / cards) are provided. 
I/O Panel (front/top): includes one USB 3.0 port, one USB 2.0, microphone & headphone (audio), power and reset buttons, plus LEDs / indicators for power and HDD activity. 
Side panel / design: the case has an opaque side panel (non‑tempered glass) with perforations to help airflow to the CPU/ interior. The front panel is mesh (or has mesh features) to help air intake. 
Weight is modest, a compact build designed to balance cooling and size. (Some vendors list ~2.3 kg; note exact weight may vary) hitechers.com
Warranty Information
The warranty period for the Si11 cabinet is 1 year from the date of purchase.
What is covered: manufacturing defects including issues in parts or construction that are present when the product is new (or develop under normal usage) are covered during that 1 year. 
What is not covered: unauthorized tampering, modifications, improper repairs; physical damage; water or moisture damage; damage due to heat, humidity; misuse or mishandling. 
Warranty claim / service: handled via Ant Esports / Antesports RMA portal. Proof of purchase (invoice) will be required.