Single module capacity: 32GB Memory type: DDR4 RDIMM ECC REG (error-correcting for servers) Transfer rate: 2666MT/s, JEDEC standard PC4-21300V-R Rank / Chip width: 2Rx4 (dual rank × 4-bit chips) Standard timing: CL19-19-19 Operating voltage: 1.2V, enterprise-standard low power Pin configuration: 288Pin, server-specific gold fingers Chip layout: Double-sided with 18 chips each side, total 36 chips, 8Gb×4 Micron original BGA chips, REG buffer chip integrated in the middle of the PCB