Colour
Memory capacity	1 x 16GB
Form factor	DIMM (PC)
Type	DDR4
Speed	2666 MT/s
Clock speed	21300 MB/s
First Word Latency	12 ns
Voltage	1.2 В
Cooling	without cooling
Strip profile	standard
More features	ECC
Added to E-Catalog	March 2023

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Synology 2026 - new arrivals, bestsellers, and the most relevant models Synology.

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Buy Synology DDR4 1x16GB D4EC-2666-16G

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	Synology D4EC-2666-16G Synology 8GB DDR4-2666MHz PC4-21300 ECC Unbuffered UDIMM CL19 1Rx8 1.2V 288-Pin Memory Module Refurbi Shop for D4EC-2666-16G Synology 8GB DDR4-2666MHz PC4-21300 ECC Unbuffered UDIMM CL19 1Rx8 1.2V 288-Pin Memory Module at ETechBuy.com ETechBuy.com Delivery: in USA Report		$384.90 Buy in shop

	Synology - 16GB DDR4 SDRAM Memory Module - For NAS Server - DDR4-2666/PC4-21333 DDR4 SDRAM - 2666 MHz - Unbuffered - Black Upgrade the memory in select Synology NAS units using the 16GB DDR4 2666 MHz UDIMM Memory Module from Synology. This single R... moreAM module features a capacity of 16GB, a clock speed of 2666 MHz (PC4-21300), and a 288-pin DIMM form factor. It operates using 1.2V, features Error-Correcting Code (ECC) technology, and is unbuffered. This memory module is protected by a limited 5-year warranty. BestBuy.com Delivery: in USA Report		$1,688.41 Buy in shop

	Synology - 16GB DDR4 SDRAM Memory Module - For NAS Server - DDR4-2666/PC4-21333 DDR4 SDRAM - 2666 MHz - Unbuffered - Black Upgrade the memory in select Synology NAS units using the 16GB DDR4 2666 MHz UDIMM Memory Module from Synology. This single R... moreAM module features a capacity of 16GB, a clock speed of 2666 MHz (PC4-21300), and a 288-pin DIMM form factor. It operates using 1.2V, features Error-Correcting Code (ECC) technology, and is unbuffered. This memory module is protected by a limited 5-year warranty. BestBuy.com Delivery: in USA Report		$1,748.71 Buy in shop

	Synology - 16GB DDR4 SDRAM Memory Module - For NAS Server - DDR4-2666/PC4-21333 DDR4 SDRAM - 2666 MHz - Unbuffered - Black Upgrade the memory in select Synology NAS units using the 16GB DDR4 2666 MHz UDIMM Memory Module from Synology. This single R... moreAM module features a capacity of 16GB, a clock speed of 2666 MHz (PC4-21300), and a 288-pin DIMM form factor. It operates using 1.2V, features Error-Correcting Code (ECC) technology, and is unbuffered. This memory module is protected by a limited 5-year warranty. BestBuy.com Delivery: in USA Report		$1,834.02 Buy in shop

	Synology - 16GB DDR4 SDRAM Memory Module - For NAS Server - DDR4-2666/PC4-21333 DDR4 SDRAM - 2666 MHz - Unbuffered - Black BestBuy.com Delivery: in USA Report		$1,967.97 Buy in shop

Synology DDR4 1x16GB configurations


Synology DDR4 1x16GB D4EU01-16G	from $726.65	4 offers
Synology DDR4 1x16GB D4EC-2400-16G	from $596.90	1 offer
Synology DDR4 1x16GB D4EC-2666-16G	from $1,688.00	7 offers
Synology DDR4 1x16GB D4RD-2666-16G	from $365.18	1 offer
Synology DDR4 1x16GB D4ER01-16G	from $690.83	8 offers