Home › DDR4 RAM › 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+)
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+)
£33.99 £8.50/GB
19% cheaper per GB than the average 4GB DDR4 kit we track.
Laptop DDR4 Non-ECC Unbuffered
Buy on Amazon.co.uk
Specification
| Capacity | 4GB |
| Generation | DDR4 |
| Speed | 2666MHz |
| Form factor | SO-DIMM |
| ECC | Non-ECC |
| Buffered | Unbuffered |
| For | Laptop |
| Brand | Timetec |
| ASIN | B098RJGGF4 |
Price history
Typical price (median) 90-day £30.99 12-month £30.99 12-month low £12.99 All-time low £12.99 (2025-03-01)
Not really a deal Today’s price is 10% above this kit’s typical price for the past year, and it has been cheaper than this for 26% of that year (last on 18 Nov 2025). Why medians, not averages ›
30-day avg £30.9990-day avg £35.88180-day avg £37.87 (averages are pulled up by price spikes; the medians above are the better guide)
Cheaper per GB in the same spec
Same generation, capacity and form factor as this kit, ranked by £/GB. See all ›
| £/GB | Price | Capacity | Manufacturer | For | Type | Form Factor | ECC / Buffered | Description | |
|---|---|---|---|---|---|---|---|---|---|
 | £6.31best £/GB | £25.25 | 4GB | Karmatech | Laptop | DDR4 | SO-DIMM 3200MHz | Unbuffered | |
| £6.63 | £26.51 | 4GB | Karmatech | Laptop | DDR4 | SO-DIMM 3200MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 2133MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2666MHz | Unbuffered |
About this kit
- 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
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