Any reason why one can't use a crucial or samsung ram which is same speed for a fraction of the price?

SAMSUNG M471A1K43CB1-CTD 8GB DDR4 will work and not give warnings. Also, it's double the memory for half the price.

Just wondering why this is $90 when you can buy an equivalent piece for $30 elsewhere?

I use cheaper modules and they work fine

Compatible with DS2419+?

For the price of Synology Branded memory and the fallout for having gotten it wrong, do not trust this type of Q/A to some random stranger off of amazon. Open Synology's official documentation about what memory is supported in what system and go off of that.

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🚀 Upgrade your Synology, unlock next-level performance!

BLAZING 2666 M HZ DDR 4 SPEED - Experience lightning-fast data transfer that keeps your deep learning and NVR systems ahead of the curve.
COMPACT SO DIMM FORM FACTOR - Designed to fit Synology’s 20, 19, and 18 series models, ensuring effortless upgrades and compatibility.
ENERGY EFFICIENT 1 2 V OPERATION - Cut down on power consumption without sacrificing performance—perfect for always-on professional setups.
OPTIMIZED FOR DEEP LEARNING NVR - Specifically tailored for Synology DVA3219 and related models, empowering your AI-driven surveillance and analytics.
RELIABLE NON ECC UNBUFFERED MEMORY - Streamlined for speed and stability in professional environments where every millisecond counts.

Synology DDR4-4GB SO-DIMM RAM delivers 2666 MHz speed at an energy-efficient 1.2V, tailored for Synology’s 18, 19, and 20 series NAS and deep learning NVR models. This unbuffered, non-ECC memory module ensures reliable, high-speed multitasking and seamless integration, making it the perfect upgrade for professionals demanding optimized AI and surveillance performance.

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TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Brand	Synology
Product Dimensions	4.57 x 9.53 x 0.76 cm; 20 g
Batteries	1 Lithium Ion batteries required.
Item model number	D4NESO-2666-4G
Manufacturer	Synology
Series	D4NESO-2666-4G
Color	Black
Form Factor	SO-DIMM
RAM Size	4 GB
Memory Technology	DDR4
Computer Memory Type	DDR4 SDRAM
Memory Clock Speed	2666 MHz
Voltage	1.2 Volts
Wattage	3600
Are Batteries Included	No
Lithium Battery Energy Content	2 Kilowatt Hours
Lithium Battery Packaging	Batteries packed with equipment
Lithium Battery Weight	2 kg
Number Of Lithium Ion Cells	5
Number of Lithium Metal Cells	5
Item Weight	20 g

SynologyDDR4-4 GB - So-Dimm 260-Pin - 2666 Mhz / Pc4-21300 - 1.2 V - Unbuffered - Non-Ecc - For Deep Learning Nvr Dva3219

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