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Technical Specifications Cisco 4461 Cisco 4451 Cisco 4431 Cisco 4351 Cisco 4331/ 4331-DC Cisco 4321 Cisco 4221(X) Weight with AC PS (no modules)

N/A 18.5 lb (8.4 kg) N/A 13.5 lb (6.2 kg) 7.7 lb (3.5 kg) + 1.2 lb (0.66 kg) external PS 7.1 lb (3.22kg) Weight with DC PS (no modules)

28.8lb (13.1kg) 28.8lb (13.1kg) 28.8lb (13.1kg) 13.5 lb (6.2 kg) (4431-DC)

Weight with AC PS with POE (no modules)

N/A 18.6 lb (8.4 kg) N/A 14.1 lb (6.4 kg) N/A NA Typical weight (fully loaded with modules)

42.7 lb (19.4 kg) 22.4 lb (10.2 kg) 37.7 lb (17.1 kg) 16.1 lb (7.3 kg) 9.14 lb (4.2 kg)

• 1.2 lb (0.66 kg) external PS 8.11 lb (3.68kg) Packaging Weight