G.SKILL RipjawsX 16GB (2x8GB) 1866MHz DDR3 Blue

G.SKILL RipjawsX 16GB (2x8GB) 1866MHz DDR3 Non-ECC CL9 XMP F3-1866C9D-16GXM

G.SKILL RipjawsX 16GB (2x8GB) 1866MHz DDR3 Non-ECC CL9 XMP F3-1866C9D-16GXM

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  • Cas Latency: 9
  • Timing: 9-10-9-28
  • Voltage: 1.5V
  • Non-ECC; Unbuffered
  • Speed: DDR3 1866 (PC3 14900)

Specifications Overview

Model F3-1866C9D-16GXM
Type 240-pin DIMM DDR3
Speed DDR3-1866 MHz
Size 16GB (2 x 8GB)
CAS Latency 9
First Word Latency 9.65 ns
Voltage 1.5 V
Heat Spreader
ECC Support

Pros

  • Voltage 1.5v
  • Lifetime warranty
  • CL9

Cons

  • May not fit with some third-party CPU coolers

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)

1066 1333 1600 1866 2000 2133 2400 2666 2800 2933 3000 3100 3200
7 13.13 10.50 8.75 7.50 7.00 6.56 5.83 5.25 5.00 4.77 4.67 4.52 4.38
8 15.01 12.00 10.00 8.57 8.00 7.50 6.67 6.00 5.71 5.46 5.33 5.16 5.00
9 16.89 13.50 11.25 9.65 9.00 8.44 7.50 6.75 6.43 6.14 6.00 5.81 5.63
10 18.76 15.00 12.50 10.72 10.00 9.38 8.33 7.50 7.14 6.82 6.67 6.45 6.25
11 20.64 16.50 13.75 11.79 11.00 10.31 9.17 8.25 7.86 7.50 7.33 7.10 6.88
12 22.51 18.00 15.00 12.86 12.00 11.25 10.00 9.00 8.57 8.18 8.00 7.74 7.50
13 24.39 19.50 16.25 13.93 13.00 12.19 10.83 9.75 9.29 8.86 8.67 8.39 8.13
14 26.27 21.01 17.50 15.01 14.00 13.13 11.67 10.50 10.00 9.55 9.33 9.03 8.75
15 28.14 22.51 18.75 16.08 15.00 14.06 12.50 11.25 10.71 10.23 10.00 9.68 9.38
16 30.02 24.01 20.00 17.15 16.00 15.00 13.33 12.00 11.43 10.91 10.67 10.32 10.00
17 31.89 25.51 21.25 18.22 17.00 15.94 14.17 12.75 12.14 11.59 11.33 10.97 10.63
18 33.77 27.01 22.50 19.29 18.00 16.88 15.00 13.50 12.86 12.27 12.00 11.61 11.25
19 35.65 28.51 23.75 20.36 19.00 17.82 15.83 14.25 13.57 12.96 12.67 12.26 11.88
CAS (clock cycles) Lower latency means faster memory.

Cheapest alternatives with equal or better performance

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Description

Series RipjawsX  
  Memory Type DDR3  
  Capacity 16GB (8GBx2)  
  Multi-Channel Kit Dual Channel Kit  
  Tested Speed 1866MHz  
  Tested Latency 9-10-9-28-2N  
  Tested Voltage 1.50v  
  Registered/Unbuffered Unbuffered  
  Error Checking Non-ECC  
  SPD Speed 1333MHz  
  SPD Voltage 1.50v  
  Fan lncluded No  
  height 40 mm / 1.58 inch  
  Warranty Lifetime  
  Features Intel XMP (Extreme Memory Profile) Ready


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