Crucial 8GB DDR4 2666 MT/s Review & Specs

Crucial 8GB DDR4 2666 MT/s (PC4-21300) SR x8 DIMM 288 CT8G4DFS8266

Crucial 8GB DDR4 2666 MT/s (PC4-21300) SR x8 DIMM 288 CT8G4DFS8266

- Crucial

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  • Speeds Up To 3200 MT/S And Faster Data Rates Are Expected To Be Available As DDR4 Technology Matures
  • Increase Bandwidth By Up To 32%
  • Reduce Power Consumption By Up To 40%
  • Faster Bursts Access Speeds For Improved Sequential Data Throughout
  • Optimized For Next Generation Processors And Platforms

Specifications Overview

Model CT8G4DFS8266
Release Date November 2018

* First availability for purchase, it may not correspond to the actual market launch date.

Type 288-pin DIMM
Speed DDR4-2666MHz
Size 8GB (1 x 8GB)
CAS Latency 19
First Word Latency 14.25ns
Voltage 1.20V
Heat Spreader
ECC Support
Samsung B-Die -

RAM First Word Latency Table (nanoseconds)

Lower latency means faster memory.

Frequency (MHz)

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
CAS

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