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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Synology SODIMM Non-ECC RAM DDR4-2666 4GB (D4NESO-2666-4G)

Product ID: 170382539

Details

Brand
Synology
Compatible Devices
Server
Computer Memory Size
4 GB
Memory Speed
3200 MT/s
RAM Memory Technology
DDR4

⚡2666 MHz high-speed DDR4

💾4GB SO-DIMM DDR4 capacity

🛡️5-year Synology warranty

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€ 540.22

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Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your Synology NAS with speed and stability — upgrade like a pro!

AVOID DOWNTIME INSTABILITY - Authentic modules prevent boot failures and system crashes—don’t risk it with generic RAM
RELIABLE NON ECC DDR 4 MEMORY - Unbuffered SO-DIMM designed to maximize performance without compromising stability
OPTIMIZED FOR SYNOLOGY SERVERS - Guaranteed compatibility with RS and DS series models for seamless upgrades
HIGH SPEED 2666 M HZ DATA TRANSFER - Boost your NAS responsiveness and multitasking with fast memory throughput
PEACE OF MIND WITH 5 YEAR WARRANTY - Synology backs your investment with industry-leading support and reliability

The Synology SODIMM Non-ECC DDR4-2666 4GB RAM module is engineered specifically for Synology NAS devices, ensuring optimal compatibility and performance. With a fast 2666 MHz data rate, unbuffered SO-DIMM form factor, and backed by a 5-year warranty, this memory upgrade enhances system responsiveness and reliability while preventing instability issues common with non-authentic modules.

Specifications

ASIN	B07X5MMGWG
Additional Features	Built and designed for maximum performance and reliability in Synology devices
Best Sellers Rank	#785 in Computer Memory
Brand	Synology
Column Address Strobe Latency	CL19 Nanoseconds
Compatible Devices	Server
Customer Reviews	4.8 4.8 out of 5 stars (1,210)
Data Transfer Rate	2666 MHz
Form Factor	SO-DIMM
Global Trade Identification Number	00846504003662, 04711174723669
Item Weight	0.02 Kilograms
Manufacturer	Synology
Memory Form Factor	SODIMM
Memory Generation	DDR4
Memory Speed	3200 MT/s
Mfr Part Number	D4NESO-2666-4G
Model Name	D4NESO-2666-4G
Model Number	D4NESO-2666-4G
Number of Pins	260
RAM Memory Technology	DDR4
RAM Size	4 GB
UPC	846504003662
Unit Count	1.0 Count
Voltage	1.2 Volts
Warranty Description	5 Years

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