Type:240 -Pin DDR3 UDIMM. Speed: PC3-10600E (DDR3-1333) / PC3-12800E (DDR3-1600) /PC3-14900E (DDR3-1866). Buffering/Ecc: ECC Unbuffered. Total Capacity: 8 GB / 16 GB / 32 GB. Manufacture by Micron,high quality item.
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