Crucial 64GB DDR4 2666 ECC Registered vs 32GB (2x16GB) DDR4-2133 ECC Registered RAM Comparison

Crucial 64GB DDR4 2666 ECC Registered and Crucial 32GB (2x16GB) DDR4-2133 ECC Registered are both memory with the same Voltage (1.2 V). The main differences are in Speed, Size, CAS Latency and First Word Latency.

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Crucial 64GB DDR4 2666 ECC Registered	Crucial 32GB (2x16GB) DDR4-2133 ECC Registered
Prices (Change region) Out of Stock Free shipping $89.99 - Buy now	Prices (Change region) In Stock Free shipping $212.99
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Brand Crucial	Brand Crucial
Model CT64G4YFQ426S	Model CT2K16G4RFD4213
Release Date 📅 February 2019	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 $1.41	Price/GB $6.66
GB/$1 0.71	GB/$1 0.15
Samsung B-Die No	Samsung B-Die No
Compatible PC parts Motherboards ►	Compatible PC parts Motherboards ►
Type 288-pin DDR4 DIMM	Type 288-pin DDR4 DIMM
Speed DDR4-2666 MHz	Speed DDR4-2133 MHz
Size 64GB (1 x 64GB)	Size 32GB (2 x 16GB)
CAS Latency 19	CAS Latency 15
First Word Latency 14.25 ns	First Word Latency 14.06 ns
Voltage 1.2 V	Voltage 1.2 V
Heat Spreader No	Heat Spreader No
ECC Support Yes	ECC Support Yes