Price History for AddOn - Synology® D4ECSO-2666-16G Compatible 16GB DDR4-2666MHz Unbuffered ECC Single Rank x8 1.2V 260-pin CL15 SODIMM - Black
CloseAddOn - Synology® D4ECSO-2666-16G Compatible 16GB DDR4-2666MHz Unbuffered ECC Single Rank x8 1.2V 260-pin CL15 SODIMM - Black
AddOn - Synology® D4ECSO-2666-16G Compatible 16GB DDR4-2666MHz Unbuffered ECC Single Rank x8 1.2V 260-pin CL15 SODIMM - Black
Set Price Alert
Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 21, 2026 | $183.62 |
| Jun 23, 2026 | $178.49 |
| May 30, 2026 | $183.62 |
| May 29, 2026 | $180.75 |
| May 8, 2026 | $175.70 |
| May 2, 2026 | $180.75 |
| Mar 11, 2026 | $175.70 |
| Jan 14, 2026 | $180.75 |
| Dec 24, 2025 | $180.91 |
| Dec 11, 2025 | $180.91 |
| Nov 11, 2025 | $180.91 |
| Nov 6, 2025 | $180.91 |
Analysis
AddOn - Synology® D4ECSO-2666-16G Compatible 16GB DDR4-2666MHz Unbuffered ECC Single Rank x8 1.2V 260-pin CL15 SODIMM - Black price analysis
Price analysis for AddOn - Synology® D4ECSO-2666-16G Compatible 16GB DDR4-2666MHz Unbuffered ECC Single Rank x8 1.2V 260-pin CL15 SODIMM - Black at Best Buy: Today's price is $183.62. Current price is 1% above the 90-day average of $181.62 (a $2.00 above the running mean).
- Currently listed at $183.62, which is $2.71 above the original MSRP of $180.91.
- Current price is 1% above the 90-day average of $181.62 (a $2.00 above the running mean).
- The lowest recorded price on PriceWatchPro was $175.70 on March 11, 2026. That's $7.92 below today's price.
- The highest recorded price on PriceWatchPro was $183.62 on May 30, 2026.
- Across 11 tracked price changes, the listing has dropped 3 times with an average drop of $5.08.
- PriceWatchPro has been tracking this listing since November 6, 2025 (273 days of price history).
Support
Best Buy FAQs
Tips for tracking this Best Buy item with alerts and price history.
How do I track price drops for Best Buy?
Pick a target price on this page and save it. We will email you when this Best Buy listing drops below your goal.
Where can I review price history?
Check the price history chart on this page to compare today’s price against recent highs and lows before buying.
Can I edit or pause alerts later?
Yes. Edit, pause, or delete alerts anytime from your PriceWatchPro dashboard after you sign in.
Snapshot
AddOn - Synology® D4ECSO-2666-16G Compatible 16GB DDR4-2666MHz Unbuffered ECC Single Rank x8 1.2V 260-pin CL15 SODIMM - Black shopping snapshot
Track this Best Buy listing with real-time alerts, a full price history, and side-by-side savings tips.
Understand pricing trends
Use the chart above to see seasonal lows, promo spikes, and the average street price so you can time your purchase.
Set alerts that match your budget
Choose a target price and we will email you when AddOn - Synology® D4ECSO-2666-16G Compatible 16GB DDR4-2666MHz Unbuffered ECC Single Rank x8 1.2V 260-pin CL15 SODIMM - Black dips below that number.
Shop confidently
Review specs, availability, and recent updates from Best Buy before jumping to the store page.