PNY Performance 16GB (2x8GB) DDR5 5600MHz vs AddOn 8GB DDR4 Module AA2666D4SR8N/8G RAM Comparison

The main differences between PNY Performance 16GB (2x8GB) DDR5 5600MHz and AddOn 8GB DDR4 Module AA2666D4SR8N/8G are in Speed, Size, CAS Latency and First Word Latency.

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PNY Performance 16GB (2x8GB) DDR5 5600MHz	AddOn 8GB DDR4 Module AA2666D4SR8N/8G
Prices (Change region) In Stock $219.99 Last updated 48 minutes ago. In Stock Free shipping $219.99	Prices (Change region) Out of Stock Free shipping $116.59 In Stock $118.63
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Brand PNY	Brand AddOn
Model MD16GK2D5560046-TB	Model AA2666D4SR8N/8G
Release Date 📅 May 2026	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $13.75	Price/GB $14.57
GB/$1 0.07	GB/$1 0.07
Samsung B-Die No	Samsung B-Die No
Compatible PC parts Motherboards ►	Compatible PC parts Motherboards ►
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 17
First Word Latency 16.43 ns	First Word Latency 12.75 ns
Voltage 1.1 V	Voltage 1.2 V
Heat Spreader No	Heat Spreader No
ECC Support No	ECC Support No