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Crucial DDR3 1066MHz Apple 2x4GB (CT2K4G3S1067M) vs. Kingston DDR4 2666MHz Hynix D ECC Reg 16GB (KSM26RS4/16HDI) + 8

ECC
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Registered
No
Yes
Yes
No
No
No
No
No
No
No
CAS Latency
7
19
17
11
9
Cooling
Memory capacity per module
4GB
16GB
16GB
16GB
8GB
8GB
Memory capacity
8 GB
16 GB
32 GB
16 GB
16 GB
Price/GB
18.13 $/GB
9.66 $/GB
13.06 $/GB
13.56 $/GB
Memory speed
PC8500/1066MHz
PC21300/2666MHz
PC21300/2666MHz
PC19200/2400MHz
PC12800/1600MHz
PC10600/1333MHz
Number of modules
2 ​
1 ​
1 ​
1 ​
2 ​
1 ​
1 ​
2 ​
1 ​
2 ​
Type of memory
DDR3
DDR4
DDR4
DDR4
SO-DIMM DDR4
DDR4
DDR4
SO-DIMM DDR3
DDR4
SO-DIMM DDR3
Voltage
1.35 V
1.2 V
1.2 V
1.2 V
1.2 V
1.2 V
1.2 V
1.35 V
1.2 V
1.35 V