Alternative to D4EC-2666-16G: Better-Value Equivalents in Stock
Comparing the D4EC-2666-16G (D4EC-2666-16G Synology D4EC-2666-8G DDR4-2666 8GB ECC Server Memory) against alternatives? Pro Disk Network stocks 12 similar parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the D4EC-2666-16G
| SKU | D4EC-2666-16G |
|---|---|
| Product | D4EC-2666-16G Synology D4EC-2666-8G DDR4-2666 8GB ECC Server Memory |
| Current price | $1,381.05 |
| Stock status | In Stock |
| Detail page | View D4EC-2666-16G › |
Alternatives to D4EC-2666-16G
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
D4ES01-8G - Synology 8GB 2666 MHz PC4-21300 Non-ECC Unbuffered CL19 260-Pin SODIMM 1.2V Memory Module
SKU: D4ES01-8G
Price: $478.95
D4ES02-8G - Synology 8GB 2666 MHz PC4-21300 Non-ECC Unbuffered CL19 260-Pin SODIMM 1.2V Memory Module
SKU: D4ES02-8G
Price: $482.11
D4EU01-8G - Synology 8GB 2666 MHz PC4-21300 ECC Unbuffered CL19 288-Pin DIMM 1.2V Memory Module
SKU: D4EU01-8G
Price: $482.11
KSM26LQ4/64HCM Kingston KSM26LQ4/64HAM DDR4-2666 64GB/8Gx72 ECC Load Reduced CL19 Server Memory
SKU: KSM26LQ4-64HCM
Price: $518.25
NT8GA72D89BX3P-IX - Nanya 8GB PC4-21300 DDR4-2666 MHz ECC Registered CL19 288-Pin RDIMM 1.2V Single Rank x8 Memory Module
SKU: NT8GA72D89BX3P-IX
Price: $119.79
RMUA5110ME78HAF-2666 - Ramaxel 8GB DDR4-2666MHz PC4-21300 Non-ECC Unbuffered CL19 288-Pin UDIMM 1.2V Single Rank Memory Module
SKU: RMUA5110ME78HAF-2666
Price: $128.74
NT8GA64D88CA3S-HR - Nanya 8GB PC4-21300 DDR4-2666 MHz non-ECC unbuffered CL19 260-PIN SODIMM 1.2V Single Rank x8 Memory Module
SKU: NT8GA64D88CA3S-HR
Price: $135.17
NT8GA72D89CX3S-HR - Nanya 8GB PC4-21300 DDR4-2666 MHz non-ECC unbuffered CL19 260-PIN SODIMM 1.2V Single Rank x8 Memory Module
SKU: NT8GA72D89CX3S-HR
Price: $135.17
RMSA3260MH78HAF-2666 - Ramaxel 8GB DDR4-2666MHz PC4-21300 Non-ECC Unbuffered CL19 260-Pin SODIMM 1.2V Single Rank Memory Module
SKU: RMSA3260MH78HAF-2666
Price: $135.17
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.