Chapter 4. Infrastructure planning 109• Maximum configuration: 1.7 kVA BTU output:– Minimum configuration: 546 Btu/hr (160 watts)– Maximum configuration: 10,912 Btu/hr (3,200 watts) Noise level:– 6.6 bels (operating)– 6.4 bels (idle)4.2 Rack selection and rack optionsThe server supports the rack cabinets listed in Table 4-1.Table 4-1 Rack cabinetsFull-length I/O Book: As indicated, some racks are not deep enough to support theservers with Full-length I/O Books installed.PartnumberDescription Supported Maximum supportedx3850 X6 x3950 X62018-86X IBM 11U Office Enablement Kit No Not applicable9307-2PX IBM 25U Static S2 Standard Rack No Not applicable9307-2RX IBM 25U Standard Rack No Not applicable9307-4RX IBM 42U Standard Rack No Not applicable9307-4XX IBM 42U Standard Rack Extension No Not applicable9308-4EX IBM 42U Enterprise Expansion Rack Yesa 10 59308-4PX IBM 42U Enterprise Rack Yesa 10 59360-4PX IBM 42U 1200mm Deep Dynamic Rack Yes 10 59360-4EX IBM 42U 1200mm Deep Dynamic Expansion Rack Yes 10 59361-4PX IBM 42U 1200mm Deep Static Rack Yes 10 59361-4EX IBM 42U 1200mm Deep Static Expansion Rack Yes 10 59362-4PX IBM 47U 1200mm Deep Static Rack Yes 11 59362-4EX IBM 47U 1200mm Deep Static Expansion Rack Yes 11 59363-4CX IBM PureFlex® System 42U Rack Yes 10 59363-4DX IBM PureFlex System 42U Expansion Rack Yes 10 59363-4PX IBM 42U 1100mm Dynamic Rack Yes 10 59363-4EX IBM 42U 1100mm Dynamic Expansion Rack Yes 10 51410-2RX Intelligent Cluster™ 25U Rack Family No Not applicable1410-4RX Intelligent Cluster 42U Rack Family Yesa 10 51410-PRA Intelligent Cluster 42U 1200mm Deep Rack Family Yes 10 5