G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz RAM

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G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz 288-Pin F4-2666C19D-16GIS

G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz 288-Pin F4-2666C19D-16GIS
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  • Brand G.SKILL Series Aegis Model F4-2666C19D-16GIS
  • Capacity16gb (2 X 8GB) Type288-Pin DDR4 SDRAM Speedddr4 2666 (PC4 21300)
  • CAS Latency Column Address Strobe (CAS) Latency, Or CL, Is The Delay Time Between The Moment A Memory Controller Tells The Memory Module To Access A Particular Memory Column On A RAM Module, And The Moment The Data From The Given Array Location Is Available On The Module's Output Pins. In General, The Lower The CL, The Better. 19 Timing19-19-19-43 Voltage1.2V Eccno
  • Buffered/Registered Buffered (Also Called Registered) Memory Module Has A Register Between The DRAM Module And The System’S Memory Controller. Buffered Memory Lessens The Electrical Load On The System’S Memory Controller, Allowing More Memory Modules To Be Used At One Time Than Would Otherwise Be Possible. Compared To Unbuffered Memory, Buffered Memory Is More Stable But Also More Expensive. And Buffered Memory Is Mainly Used In Servers And Workstations. Almost All Registered Memory Is ECC (Err
G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz image 1
G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz image 2
G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz image 3
G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz thumbnail 1
G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz thumbnail 2
G.SKILL Aegis 16GB (2 x 8GB) DDR4 2666MHz thumbnail 3

Specifications Overview

Model F4-2666C19D-16GIS
Type 288-pin DIMM DDR4
Speed DDR4-2666 MHz
Size 16GB (2 x 8GB)
CAS Latency 19
Timing 19-19-19-43
First Word Latency 14.25 ns
Voltage 1.2 V
Heat Spreader
ECC Support
Color Black/Red

RAM First Word Latency Table (nanoseconds)

Latency is measured in nanoseconds, which is a combination of frequency and CAS. Both frequency increases and latency decreases result in better system performance (when latency is the same, always prefer higher frequency if possible).

Frequency (MT/s)

2133 2400 2666 2800 2933 3000 3200 3300 3333 3400 3466 3600 3666 3733
13 12.19 10.83 9.75 9.29 8.86 8.67 8.13 7.88 7.80 7.65 7.50 7.22 7.09 6.96
14 13.13 11.67 10.50 10.00 9.55 9.33 8.75 8.48 8.40 8.24 8.08 7.78 7.64 7.50
15 14.06 12.50 11.25 10.71 10.23 10.00 9.38 9.09 9.00 8.82 8.66 8.33 8.18 8.04
16 15.00 13.33 12.00 11.43 10.91 10.67 10.00 9.70 9.60 9.41 9.23 8.89 8.73 8.57
17 15.94 14.17 12.75 12.14 11.59 11.33 10.63 10.30 10.20 10.00 9.81 9.44 9.27 9.11
18 16.88 15.00 13.50 12.86 12.27 12.00 11.25 10.91 10.80 10.59 10.39 10.00 9.82 9.64
19 17.82 15.83 14.25 13.57 12.96 12.67 11.88 11.52 11.40 11.18 10.96 10.56 10.37 10.18
20 18.75 16.67 15.00 14.29 13.64 13.33 12.50 12.12 12.00 11.76 11.54 11.11 10.91 10.72
21 19.69 17.50 15.75 15.00 14.32 14.00 13.13 12.73 12.60 12.35 12.12 11.67 11.46 11.25
22 20.63 18.33 16.50 15.71 15.00 14.67 13.75 13.33 13.20 12.94 12.69 12.22 12.00 11.79
23 21.57 19.17 17.25 16.43 15.68 15.33 14.38 13.94 13.80 13.53 13.27 12.78 12.55 12.32
24 22.50 20.00 18.00 17.14 16.37 16.00 15.00 14.55 14.40 14.12 13.85 13.33 13.09 12.86
25 23.44 20.83 18.75 17.86 17.05 16.67 15.63 15.15 15.00 14.71 14.43 13.89 13.64 13.39
CAS (clock cycles) Lower latency means faster memory.

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