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Timetec DDR4-2666 4GB Replacement for Synology D4NESO-2666-4G Non-ECC… competes with other Memory (RAM) products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Memory (RAM) category for alternatives.

Timetec

DDR4-2666 4GB Replacement for Synology D4NESO-2666-4G Non-ECC Unbuffered SODIMM (Compatible for RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS1618+)

Name: Timetec DDR4-2666 4GB Replacement for Synology D4NESO-2666-4G Non-ECC Unbuffered SODIMM (Compatible for RS820RP+, RS820+, DS920+, DS720+, DS420+
Brand: Timetec
SKU: B098RJGGF4
Price: 29.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$29.99

Buy on Amazon — $29.99 Compare to similar memory (ram)

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The DDR4-2666 4GB Replacement for Synology D4NESO-2666-4G Non-ECC Unbuffered SODIMM (Compatible for RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS1618+) is a niche pick — read recent reviews before buying in the memory (ram) category, priced around $29.99. Read recent reviews carefully before committing.

SpecPicks Verdict

SpecPicks classifies Timetec DDR4-2666 4GB Replacement for Synology D4NESO-2666-4G… as a niche pick — read recent reviews before buying in the memory (ram) category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Timetec's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Compatible with 20 series: RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+
✓ Backed by Timetec's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Replacement for Synology D4NESO-2666-4G SODIMM RAM (DDR4 2666MHz PC4-21300 260 Pin Unbuffered Non-ECC 1.2V CL19 Single Rank 1Rx8 based 512x8)
Compatible with 20 series: RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+
Compatible with 19 series: DS2419+, DS2419+II, DS1819+, DVA3219
Compatible with 18 series: DS1618+
Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States

Full Specifications

Brand	Timetec
Weight	4g
Voltage	1.2 Volts
RAM Size	16 GB
Form Factor	SO-DIMM
Memory Speed	2666 MHz
Number of Pins	260
Mfr Part Number	7
Memory Generation	DDR4
Compatible Devices	Laptop, Server
Data Transfer Rate	2100 Megabytes Per Second
Memory Form Factor	UDIMM
Additional Features	DDR4
Computer Memory Size	16 GB

Ready to buy?

Timetec DDR4-2666 4GB Replacement for Synology D4NESO-2666-4G Non-ECC Unbuffered SODIMM (Compatible for RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS1618+) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.