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자주 안쓰니까 항상 까먹는…
root 권한으로 “dmidecode -t 17″을 사용하면 된다.

$ dmidecode -t 17

[ home@root ]dmidecode -t 17
# dmidecode 2.12
# SMBIOS entry point at 0x000f04c0
SMBIOS 2.7 present.

Handle 0x003B, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x003C
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 8192 MB
Form Factor: DIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: Samsung
Serial Number: 97E7F58F
Asset Tag: 9876543210
Part Number: M378B1G73EB0-CK0
Rank: 2
Configured Clock Speed: 1600 MHz

Handle 0x003F, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x003C
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 8192 MB
Form Factor: DIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: Samsung
Serial Number: 14D1EA40
Asset Tag: 9876543210
Part Number: M378B1G73QH0-CK0
Rank: 2
Configured Clock Speed: 1600 MHz

삼성 8기가 DDR3, 0,3번 뱅크, 채널 A/B 한개씩, clock speed 1600Mhz.