MetaTrader 4 infrastructure:

Trading (Real) Server

16 GB RAM
RAID-5 SSD Storage
3GHz, 8 Cores
Low execution time to markets in U.S. and Europe

8GB RAM (upgradeable per request)
RAID-5 SSD Storage
3GHz, 8 Cores
Low execution time to markets in U.S. and Europe

4GB RAM
3.4GHz CPU
Specjalized ultra-fast MySQL cluster with unlimited storage

8GB RAM (upgradeable per request)
RAID-5 SSD Storage
3GHz, 8 Cores
Low execution time to markets in U.S. and Europe

8GB RAM (upgradeable per request)
RAID-5 SSD Storage
3GHz, 8 Cores

MetaTrader 5 Infrastructure:

Trading + History Server Real

32 GB RAM
2x500 GB SSD RAID-1
1x500 GB Backup Disk
1x3.50GHz Xeon E5 CPU

4 GB RAM
3.4GHz CPU
120 GB SSD RAID-1

32 GB RAM
2x500 GB SSD RAID-1
1x250 GB Backup Disk
3x3.50GHz Xeon CPU

4 GB RAM
3.4GHz CPU
120 GB SSD RAID-1

Remote Desktop VPS:

20 GB Storage
100 GB Bandwidth
100 MBit Link
1 Snapshot
4 GB RAM