Specifications
Model: ANT ESPORTS 621 C3 Mid‑Tower Cabinet (Black) 
Motherboard compatibility: ATX, Micro‑ATX, Mini‑ITX 
Exterior dimensions (length × width × height): 474 × 230 × 456 mm 
Packing dimensions: 505 × 290 × 545 mm 
Materials used: ABS, SPCC, Tempered Glass front & side panel 
Drive bays / storage: 2 × 3.5‑inch HDD or alternative configuration with 1 HDD + 1 SSD (2.5‑inch) 
Fan support:
  • Front: up to 3 × 120 mm or 2 × 140 mm 
  • Top: up to 3 × 120 mm or 2 × 140 mm
  • Rear: 1 × 120 mm or 1 × 140 mm
  • Bottom / side positions: none supported 
Pre‑installed fans: 3 front fans + 1 rear fan 
Liquid cooling/radiator support (maximum):
  • Front: 120 / 140 / 240 / 280 / 360 mm
  • Top: 120 / 140 / 240 / 360 mm 
  • Rear: 120 / 140 mm
Maximum GPU (graphics card) length: 400 mm 
Maximum CPU cooler height: 185 mm 
I/O Panel: 1 × USB Type‑C, 2 × USB 3.0, Audio In, Mic, Power Button
Expansion slots: 7 
Warranty Details
Warranty period: 1 year from date of purchase.
What is covered: manufacturing defects within warranty period. 
What isn’t covered: unauthorized modifications or tampering; physical damage; damage from water, heat, humidity or moisture; mishandling.