Like I said, heavy in every sense of the word. 14kg whooofffff, Inside, I put: Motherboard asus P6T Deluxe v2, i7 Processor 920, Power Cooler Master silent pro 700w m, Barettes 6 times 2GB RAM memories Gskill pc 12800, VertX 2 120go OCZ SSD, HDD Western Digital 1000GB SATA 3 pci Asus U3S6 SATA3 usb3 Cooler Master Hyper 212 Plus, etc ... + TWO PLAYERS CD / DVD / BLURAY + Racker TWO BAYS WITH TWO HARD DRIVES 1500mo 5400rpm / MIN FOR DATA.