Samsung 32GB (1x32GB) DDR4 RDIMM 2666MHz CL19 1.2V ECC Registered 2Rx4 PC4-21300V-R Server Memory RAM Proven DRAM module solution in the global market Samsung’s memory modules are designed for a wide range of applications to deliver the best performance with low power requirements. RDIMM Registered DIMM - Include a register for enhancing clock, command and control signals - Error correction available by added 8 bit parity signals - Supports x4 / x8 Organization / up to 2 ranks per DIMM and 3DPC configuration - Application : Server Form Factor RDIMM Kit Qty 1x 32GB Technology DDR4-2666 Error Correction Code ECC Voltage 1.2V Height STD Rank 2Rx4 Speed PC4-21300V-R https://www.samsung.com/semiconductor/global.semi/file/resource/2019/03/DDR4_8Gb_C_die_Registered_DIMM_Rev1.5_Feb.19_10089296104316.pdf