HP 9000 rp8440 Site Preparation Guide, Fourth Edition - HP Integrity rx8640, H - Page 39

the resulting heat from the cabinet. The fans within the power supply will operate at full speed during standby. Typical HP Integrity rx8640 Server Power Dissipation and Cooling Table 2-10 provides calculations for the rx8640 configurations as described in the table. Table 2-10 Typical HP Integrity rx8640 Server Configurations Cell Board Qty 4 4 4 2 2 2 1 Memory per Cell Board GBytes 32 16 8 32 16 8 8 PCI Cards (assumes 10W each) Qty 16 16 8 16 8 8 8 DVDs Hard Disk Core Drives I/O Qty Qty Qty 2 4 2 2 4 2 0 2 2 2 4 2 0 2 2 0 2 2 0 1 1 Bulk Power Supplies Qty 6 6 6 4 4 4 3 Typical Power Watts 3883 3627 3419 2749 2461 2397 1893 Typical Cooling BTU/hr 13257 12383 11672 9385 8402 8183 6463 The air-conditioning data in Table 2-10 are derived using the following equations. • Watts x (0.860) = kcal/hour • Watts x (3.414) = Btu/hour • BTU/hour divided by 12,000 = tons of refrigeration required NOTE: When determining power requirements, you must consider any peripheral equipment that will be installed during initial installation or as a later update. Refer to the applicable documentation for such devices to determine the power and air-conditioning that is required to support these devices. Typical HP 9000 rp8440 Server Power Dissipation and Cooling Table 2-11 provides calculations for the rp8440 configurations as described in the table. Table 2-11 Typical HP 9000 rp8440 Server Configurations Cell Board Qty 4 4 4 2 2 2 1 Memory per Cell Board GBytes 32 16 8 32 16 8 8 PCI Cards (assumes 10W each) Qty 16 16 8 16 8 8 8 DVDs Hard Disk Core Drives I/O Qty Qty Qty 2 4 2 2 4 2 0 2 2 2 4 2 0 2 2 0 2 2 0 1 1 Bulk Power Supplies Qty 6 6 6 4 4 4 3 Typical Power Watts 3789 3533 3325 2702 2414 2350 1893 Typical Cooling BTU/hr 12936 12062 11352 9225 8241 8023 6463 Environmental Specifications 39