2133MT/s – Ultimate Infolink

Quick Comparison — All Three Speed Variants

Specification	DDR4-2133	DDR4-2400	DDR4-2666
HPE Option Part Number	726719-B21	836220-B21	835955-B21
HPE Spare Part Number	774172-001	846740-001	868846-001
HPE Assembly Part Number	752369-081	809081-081	840756-091
Capacity	16GB (1× 16GB)	16GB (1× 16GB)	16GB (1× 16GB)
Memory Standard	PC4-17000	PC4-19200	PC4-21300
Speed	2133 MT/s	2400 MT/s	2666 MT/s
CAS Latency	CL15 (15-15-15)	CL17 (17-17-17)	CL19 (19-19-19)
Rank / Width	Dual Rank × 4 (2Rx4)	Dual Rank × 4 (2Rx4)	Dual Rank × 8 (2Rx8)
DIMM Type	RDIMM — 288-pin	RDIMM — 288-pin	RDIMM — 288-pin
Operating Voltage	1.2V	1.2V	1.2V
ECC	Yes	Yes	Yes