Crucial Ballistix MAX RGB 32GB (2x16GB) 4000MHz DDR4

Crucial Ballistix MAX RGB 32GB (2x16GB) 4000MHz DDR4 CL18 BLM2K16G40C18U4BL

Crucial Ballistix MAX RGB 32GB (2x16GB) 4000MHz DDR4 CL18 BLM2K16G40C18U4BL

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  • Ideal For Extreme Overclocking Enthusiasts
  • XMP 2. 0 Support For Automatic Overclocking. Experts Can Manually Customize Timing Parameters
  • High-Quality Extruded Aluminum Heat Spreader For Max Heat Dissipation And Thermal Management
  • Compatible With ASUS Aura, MSI Mystic Light, Gigabyte AORUS Graphics Engine, And More
  • Precision Temp Sensor On DIMM Designed To Monitor Thermals As You Push Performance Thresholds

Specifications Overview

Model BLM2K16G40C18U4BL
Release Date February 2020

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

Type 288-pin DIMM DDR4
Speed DDR4-4000 MHz
Size 32GB (2 x 16GB)
CAS Latency 18
First Word Latency 9 ns
Voltage 1.35 V
Heat Spreader Yes
ECC Support No
Color Black
LED Color RGB

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)

3400 3466 3600 3666 3733 3800 3866 4000 4133 4200 4266 4300 4333 4400
16 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 7.27
17 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 7.73
18 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 8.18
19 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 8.64
20 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 9.09
21 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 9.55
22 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 10.00
23 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 10.45
24 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 10.91
25 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 11.36
CAS (clock cycles) Lower latency means faster memory.

Cheapest alternatives with equal or better performance

-0.11ns Latency

-0.12ns Latency


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