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Compare PNY Performance 16GB (2x8GB) DDR5 5600MHz vs Crucial 8GB DDR4 2666 MT/s

The main differences between PNY Performance 16GB (2x8GB) DDR5 5600MHz and Crucial 8GB DDR4 2666 MT/s are in Speed, Size, CAS Latency and First Word Latency.
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Prices
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In Stock
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In Stock
$60.00
Last updated 46 minutes ago.
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Brand
PNY
Brand
Crucial
Model
MD16GK2D5560046-TB
Model
CT8G4DFS8266
Release Date
📅 May 2026
Release Date
📅 November 2018
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
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Price/GB
$13.75
Price/GB
$7.34
GB/$1
0.07
GB/$1
0.14
Samsung B-Die
No
Samsung B-Die
No
Compatible PC parts
Compatible PC parts
Type
288-pin DDR5 DIMM
Type
288-pin DDR4 DIMM
Speed
DDR5-5600 MHz
Speed
DDR4-2666 MHz
Size
16GB (2 x 8GB)
Size
8GB (1 x 8GB)
CAS Latency
46
CAS Latency
19
First Word Latency
16.43 ns
First Word Latency
14.25 ns
Voltage
1.1 V
Voltage
1.2 V
Heat Spreader
No
Heat Spreader
No
ECC Support
No
ECC Support
No

Comparison and key differences summary

Reasons to buy the PNY Performance 16GB (2x8GB) DDR5 5600MHz:

  • Newer Product, it was released around 8 years later
  • Less voltage required (-0.10 V needed)
  • More Capacity (+8 GB available)

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Reasons to buy the Crucial 8GB DDR4 2666 MT/s:

  • 73% cheaper, you can save $161.30
  • Less CAS latency (-27)
  • Better first word latency (-2.18 ns)

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