647885-B21 I Genuine HP 32GB Quad Rank x4 PC3L-10600L DDR3-1333 LV Memory LRDIMMAuthentic HP product, these are NOT 3rd party or generic. Professionally cleaned and tested to industry standards. HPE Part Numbers: 647885 B21 687466 001 647654 181. Technical Information Memory Size 32 GB Memory Technology DDR3 SDRAM Number of Modules 1 x 32 GB Memory Speed 1333 MHz Memory Standard DDR3 1333 PC3 10600 Signal Processing Buffered Physical Characteristics Number of Pins 240 pin Form Factor DIMM Miscellaneous Compatibility Select HPE