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