4 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - CL19 - 1.2 V - unbuffered - non-ECC

16 GB - DIMM 288-pin - 2666 MHz / PC4-21300 - CL19 - 1.2 V - registered - ECC - for Dell Precision 5820, 7820, 7920; Dell EMC PowerEdge FC640, M640, R440, R540, T440, T640

32 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - CL19 - 1.2 V - unbuffered - non-ECC

8 GB - SO-DIMM 204-pin - 1600 MHz / PC3L-12800 - CL11 - 1.35 V - unbuffered - non-ECC

16 GB - SO-DIMM 260-pin - 2400 MHz / PC4-19200 - CL17 - 1.2 V - unbuffered - non-ECC

16 GB - DIMM 288-pin - 2666 MHz / PC4-21300 - CL19 - 1.2 V - unbuffered - non-ECC

32 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - CL19 - 1.2 V - unbuffered - ECC - for Dell Precision Mobile Workstation 5550, 7540, 7550, 7740, 7750

32 GB - SO-DIMM 260-pin - 2933 MHz / PC4-23400 - CL21 - 1.2 V - unbuffered - non-ECC

module - 16 GB - SO-DIMM 260-pin - 2400 MHz / PC4-19200 - CL15 - 1.2 V - unbuffered - non-ECC

DDR4 - module - 16 GB - DIMM 288-pin - 3200 MHz / PC4-25600 - CL22 - 1.2 V - registered with parity - ECC

module - 16 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - CL16 - 1.2 V - unbuffered - non-ECC

DDR4 - module - 16 GB - DIMM 288-pin - 2933 MHz / PC4-23400 - CL21 - 1.2 V - registered with parity - ECC