Corsair Vengeance LPX 32GB (4X8GB) DDR4 3866Mhz

Corsair Vengeance LPX 32GB (4X8GB) DDR4 3866Mhz (PC4-30900) C18 Red

Corsair Vengeance LPX 32GB (4X8GB) DDR4 3866Mhz (PC4-30900) C18 Red

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  • Vengeance LPX Module Built With Pure Aluminum Heatspreader Faster Heat Dissipation Cooler Operation Eight-Layer PCB To Manage Heat Provides Superior Overclocking Headroom
  • Available In Multiple Colors To Match Your Motherboard, Your Components, Or Just Your Style
  • Vengeance LPX Optimized Compatibility Tested For The Latest Intel X99, 100, 200 Series Motherboards Offers Higher Frequencies Greater Bandwidth Lower Power Consumption XMP 2.0
  • The Vengeance LPX Module Height Is Carefully Designed To Fit Smaller Spaces.
  • Memory Type: DDR4

Specifications Overview

Model CMK32GX4M4B3866C18R
Type 288-pin DIMM DDR4
Speed DDR4-3866 MHz
Size 32GB (4 x 8GB)
CAS Latency 18
Timing 18-22-22-40
First Word Latency 9.31 ns
Voltage 1.35 V
Heat Spreader
ECC Support
Samsung B-Die

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)

3333 3400 3466 3600 3666 3733 3800 3866 4000 4133 4200 4266 4300 4333
16 9.60 9.41 9.23 8.89 8.73 8.57 8.42 8.28 8.00 7.74 7.62 7.50 7.44 7.39
17 10.20 10.00 9.81 9.44 9.27 9.11 8.95 8.79 8.50 8.23 8.10 7.97 7.91 7.85
18 10.80 10.59 10.39 10.00 9.82 9.64 9.47 9.31 9.00 8.71 8.57 8.44 8.37 8.31
19 11.40 11.18 10.96 10.56 10.37 10.18 10.00 9.83 9.50 9.19 9.05 8.91 8.84 8.77
20 12.00 11.76 11.54 11.11 10.91 10.72 10.53 10.35 10.00 9.68 9.52 9.38 9.30 9.23
21 12.60 12.35 12.12 11.67 11.46 11.25 11.05 10.86 10.50 10.16 10.00 9.85 9.77 9.69
22 13.20 12.94 12.69 12.22 12.00 11.79 11.58 11.38 11.00 10.65 10.48 10.31 10.23 10.15
23 13.80 13.53 13.27 12.78 12.55 12.32 12.11 11.90 11.50 11.13 10.95 10.78 10.70 10.62
24 14.40 14.12 13.85 13.33 13.09 12.86 12.63 12.42 12.00 11.61 11.43 11.25 11.16 11.08
25 15.00 14.71 14.43 13.89 13.64 13.39 13.16 12.93 12.50 12.10 11.90 11.72 11.63 11.54
CAS (clock cycles) Lower latency means faster memory.

Cheapest alternatives with equal or better performance

-0.43ns Latency

-0.42ns Latency

-0.31ns Latency


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