PNY Performance 16GB DDR5 5600MHz vs AddOn 16GB 240-Pin DDR3 ECC Registered 1066 RAM Comparison

PNY Performance 16GB DDR5 5600MHz and AddOn 16GB 240-Pin DDR3 ECC Registered 1066 are both memory with the same Size (16GB (1 x 16GB)). The main differences are in Speed, CAS Latency, First Word Latency and Voltage.

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PNY Performance 16GB DDR5 5600MHz	AddOn 16GB 240-Pin DDR3 ECC Registered 1066
Prices (Change region) Out of Stock Free shipping $189.99 In Stock $199.99 Last updated 8 minutes ago. In Stock Free shipping $199.99	Prices (Change region) Out of Stock Free shipping $56.26 Out of Stock Free shipping $149.59
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Brand PNY	Brand AddOn
Model MD16GSD5560046-TB	Model 49Y1400-AM
Release Date 📅 April 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 $11.87	Price/GB $3.52
GB/$1 0.08	GB/$1 0.28
Samsung B-Die No	Samsung B-Die No
Compatible PC parts Motherboards ►	Compatible PC parts Motherboards ►
Type 288-pin DDR5 DIMM	Type 240-pin DDR3 DIMM
Speed DDR5-5600 MHz	Speed DDR3-1066 MHz
Size 16GB (1 x 16GB)	Size 16GB (1 x 16GB)
CAS Latency 46	CAS Latency 9
First Word Latency 16.43 ns	First Word Latency 16.89 ns
Voltage 1.1 V	Voltage 1.35 V
Heat Spreader No	Heat Spreader No
ECC Support No	ECC Support Yes