dmidecode -t 17
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.

Handle 0x005D, DMI type 17, 34 bytes
Memory Device
	Array Handle: 0x005E
	Error Information Handle: 0x0062
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 4096 MB
	Form Factor: DIMM
	Set: None
	Locator: ChannelA-DIMM0
	Bank Locator: BANK 0
	Type: DDR3
	Type Detail: Synchronous
	Speed: 1333 MHz
	Manufacturer: Kingston
	Serial Number: 211445AX
	Asset Tag: 9876543210
	Part Number: 9905471-015.A00LF <- search for this
	Rank: 2
	Configured Clock Speed: 1333 MHz
admin