The FTB Monster server is hosted on a machine with this spec:

• CPU: Intel Core i7 3770k
• RAM: 16GB DDR3
• SSD: Intel 520 120GB
• HDD: 3×3 TB RAID 5 + 3x3TB RAID5
• ISP: Bredbandsbolaget 100Mbit down, 10Mbit up
• Location: Kalix, Sweden

Software info:

• Ubuntu Server 64bit (VM)
• The .jar is allocated 4GB RAM and 4 cores (Hyper-threading disabled on the CPU)
• The world files are located on the SSD

The second server is hosted on a machine with this spec:

• CPU: Intel Core i7 3770
• RAM: 16GB DDR3
• HDD: 3x1TB RAID5 + 3×1,5TBB RAID5
• ISP: 100Mbit down, 100Mbit up.
• Location: Sweden

Software info:

• Ubuntu Server 64bit (VM)
• The .jar is allocated 3GB RAM and 4 cores