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K1 (UtRAM)
K4 (DRAM)
K6 (Async Fast SRAM)
K7 (Sync SRAM)
K8 (NOR Flash)
K9 (NAND Flash)
KF (OneNAND)
KM (MOVI NAND/MCP)
M3 (DIMM)
MR (RIMM)
S3 (Microcontroller)
S5 (MOS)
S6 (DDI)
S8 (CDRAM)
DDR3 Microsite
Eco product

Marking Information

Memory Modules

DDR leaded
Contents of Marking
Label Field Description
(1) SAMSUNG Logo SAMSUNG or SEC
(2) Environmental Protection Use Period (10 years ) Logo SAMSUNG guarantees the product for ten years against any environmental losses, personal injuries, or serious property damages arising from the leakage of a harmful material or element contained in the product during normal operation. For more information, Refer to Eco product page.
(3) Country Country of origin
(4) Year & Week Code Manufactured Year & Week code
(5) Module Bandwidth & Type Module bandwidth in MB/s and Type
  • R : RDIMM, no address/command parity function
  • S : Small Outline DIMM(SO-DIMM)
  • U : Unbuffered DIMM(UDIMM)
(6) tCL/tRCD/tRP DDR2 SDRAM CAS Latency/minimum tRCD specification/minimum tRP specification, in clocks at maximum operating frequency.
(7) SPD Rev. JEDEC SPD Revision Encoding and Addition level.
(8) Raw Card
  • A : Reference design for Raw Card 'A' is used for this assembly
  • Z : None of the reference designs were used for this assembly
(9) Revision Number Revision number of the reference design used
  • 0 : Initial release
  • 1 : First revision
(10) Part Number Refer to Part No. decoder page
(11) Module Memory Capacity Number of DDR2 DRAM storage in DIMM module