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Compare Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz vs Patriot Viper Steel 32GB DDR4 SO-DIMM 2666

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  3. Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz 🆚 Patriot Viper Steel 32GB DDR4 SO-DIMM 2666
The main differences between Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz and Patriot Viper Steel 32GB DDR4 SO-DIMM 2666 are in Speed, Size, CAS Latency and Timing.
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Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz CL32 Black CP2K16G64C32U5B
Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz
Patriot Viper Steel 32GB DDR4 SO-DIMM 2666 (PC4 21300) PVS432G266C8S
Patriot Viper Steel 32GB DDR4 SO-DIMM 2666
Prices
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Out of Stock
Free shipping
$389.99
Out of Stock
Free shipping
$389.99
Out of Stock
Free shipping
$399.99
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Prices
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Out of Stock
Free shipping
$66.49
Out of Stock
Free shipping
$74.99
Out of Stock
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$120.99
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* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
Crucial
Brand
Patriot
Model
CP2K16G64C32U5B
Model
PVS432G266C8S
Release Date
📅 October 2025
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(72 reviews)
User reviews
★★★★★
(1 reviews)
Price history
View Details ►
Price history
View Details ►
Price/GB
$12.19
Price/GB
$2.08
GB/$1
0.08
GB/$1
0.48
Samsung B-Die
No
Samsung B-Die
No
Compatible PC parts
Motherboards ►
Compatible PC parts
Motherboards ►
Type
288-pin DDR5 DIMM
Type
260-pin DDR4 SODIMM
Speed
DDR5-6400 MHz
Speed
DDR4-2666 MHz
Size
32GB (2 x 16GB)
Size
32GB (1 x 32GB)
CAS Latency
32
CAS Latency
18
Timing
32-40-40-103
Timing
18-18-18-43
First Word Latency
10 ns
First Word Latency
13.5 ns
Voltage
1.35 V
Voltage
1.2 V
Heat Spreader
Yes
Heat Spreader
No
ECC Support
No
ECC Support
No
Color
Black
Color
-
-

Comparison and key differences summary

Reasons to buy the Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz:

  • Better first word latency (-3.50 ns)

Buy now

Reasons to buy the Patriot Viper Steel 32GB DDR4 SO-DIMM 2666:

  • 83% cheaper, you can save $323.50
  • Less voltage required (-0.15 V needed)
  • Less CAS latency (-14)

Buy now

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