S7400 series PLC , order numble as following:
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6ES7 407-0DA01-0AA0 PS(4A)
6ES7 407-0KA01-0AA0 PS(10A)
6ES7 407-0KR00-0AA0 PS(10A) redundancy
6ES7 407-0RA01-0AA0 PS(20A)
6ES7 405-0DA01-0AA0 PS(4A)
6ES7 405-0KA02-0AA0 PS(10A)
6ES7 405-0RA01-0AA0 PS(20A)
6ES7 971-0BA00
CPU
6ES7 412-1XF04-0AB0 CPU412, 72K
6ES7 412-2XG04-0AB0 CPU412-2, 128K program memory / 128K data memory
6ES7 414-2XG04-0AB0 CPU414-2, 256K program memory / 256K data memory
6ES7 414-3XJ04-0AB0 CPU414-3, 700K program memory / 700K data memory
6ES7 414-4HJ04-0AB0 CPU414-H, Hot Standby CPU Redundancy
6ES7 416-2FK04-0AB0 CPU416F-2, 1.4M program memory / 1.4M data memory
6ES7 416-2XK04-0AB0 CPU416-2, 1.4M program memory / 1.4M data memory
6ES7 416-3XL04-0AB0 CPU416-3, 2.8M program memory / 2.8M data memory
6ES7 417-4HL04-0AB0 CPU417-H, Hot Standby CPU Redundancy
6ES7 417-4XL04-0AB0 CPU417-4, 10M program memory / 10M data memory
Memory card
6ES7 955-2AL00-0AA0 2 X 2Mbety RAM
6ES7 955-2AM00-0AA0 2 X 4Mbety RAM
6ES7 952-0AF00-0AA0 64Kbety RAM
6ES7 952-1AH00-0AA0 256Kbety RAM
6ES7 952-1AK00-0AA0 1Mbety RAM
6ES7 952-1AL00-0AA0 2Mbety RAM
6ES7 952-1AM00-0AA0 4Mbety RAM
6ES7 952-1AP00-0AA0 8Mbety RAM
6ES7 952-1AS00-0AA0 16Mbety RAM
6ES7 952-0KF00-0AA0 64Kbety FLASH EPROM
6ES7 952-0KH00-0AA0 256Kbety FLASH EPROM
6ES7 952-1KK00-0AA0 1Mbety FLASH EPROM
6ES7 952-1KL00-0AA0 2Mbety FLASH EPROM
6ES7 952-1KM00-0AA0 4Mbety FLASH EPROM
6ES7 952-1KP00-0AA0 8Mbety FLASH EPROM
6ES7 952-1KS00-0AA0 16Mbety FLASH EPROM
6ES7 952-1KT00-0AA0 32Mbety FLASH EPROM
6ES7 952-1KY00-0AA0 64Mbety FLASH EPROM