Blade IT systems | Archive Titles

Capital cost comparison of desktop vs blade PCs
Item	Desktop PC solution	Blade PC solution
VAV system, including air cooled chiller @ 900 kW, air handling units @ 30 m3/s total, ductwork distribution and all ancillaries	£774,000
FCU system, including air cooled chiller @ 900 kW, air handling units @ 5 m3/s total, fan coil units, ductwork distribution and all ancillaries		£684,000
Electrical distribution @100 W/m2	£120,000
Electrical distribution @ 50 W/m2, including additional power to blade cabinets		£98,000
Desktop PCs (two per desk)	£400,000
Data cabling
Blade PCs, chassis, racks, cabinets, desk ports, installation and testing		£674,000
Keyboards
CRAC units serving on-floor equipment room		£30,000
Split air conditioning units serving on-floor equipment room	£15,000
Total	£1,309,000	£1,486,000
Notes
1. Based on the use of single processor PC blades.
2. The costs of the blade solution include the management facility to switch remotely between blades.
3. The blade solution allows for two connection ports at each desk, for the connection of the additional monitors.
4. It assumed that the costs of the data cabling are approximately the same for the two solutions.