United States
| Name: |
D4ECSO-2666-16G |
| Description: | RAM DDR4 2466 ECC 16G ECC UNBUFFERED SODIMM 260PIN 1.2V |
| Rating: |
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| Availability: |
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| Brand: |
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
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Same-day Shipping
Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
D4ECSO-2666-16G Overview
D4ECSO-2666-16G is a DDR4 UDIMM module operating at 2666 MHz with a CAS latency of CL19 and a voltage of 1.2V. This 16 GB module is configured for single channel use and features ECC support with an unbuffered design, ensuring compatibility with desktop and server environments while incorporating an integrated heatspreader for thermal management.
D4ECSO-2666-16G is engineered for applications in server and workstation builds, offering reliable performance and efficient operation. It is optimized for Intel Xeon Scalable and AMD EPYC platforms, and its design excludes RGB lighting to focus on stability and system compatibility.
What is the price of D4ECSO-2666-16G?
Pricing for D4ECSO-2666-16G is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for D4ECSO-2666-16G.
Explore more options from Computer Memory & Ram or explore other Synology products.
D4ECSO-2666-16G Specifications
| Product Type | Computer Memory |
| Memory Type | DDR4 |
| Capacity | 16 GB |
| Compatible Platforms | Desktop / Server |
| Compatible Systems | Rack Server / Tower Server |
| Form Factor | UDIMM |
| Kit Configuration | Single Channel |
| Speed | 2666 MHz |
| Operating Temperature | N/A |
| Reliability Rating | Standard |
| CAS Latency (CL) | CL19 |
| Voltage | 1.2V |
| ECC Support | Yes |
| Registered/Buffered | Unbuffered |
| XMP Support | No |
| RGB Lighting | No |
| Heatsink / Heatspreader | Yes |
| Intel Platform Support | Intel Xeon Scalable |
| AMD Platform Support | AMD EPYC |
| Use Case | Server |
| Product Name | D4ECSO-2666-16G |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| AMD Platform Support | AMD EPYC | AMD Ryzen 5000 | AMD Ryzen 3000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Capacity | 16 GB | 16 GB | 16 GB | 8 GB | 16 GB |
| CAS Latency (CL) | CL19 | CL16 | CL16 | CL16 | CL16 |
| Compatible Platforms | Desktop / Server | Desktop | Desktop | Desktop | Desktop / Laptop / Server |
| Compatible Systems | Rack Server / Tower Server | Workstation | N/A | Workstation | Rack Server / Tower Server / Blade Server / Workstation / N/A |
| Depth | N/A | 0.13 inches | N/A | 0.2 inches | 0.5 inches |
| ECC Support | Yes | No | No | No | No |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Height | N/A | 1.2 inches | N/A | 1.2 inches | 1.2 inches |
| Intel Platform Support | Intel Xeon Scalable | Intel 12th Gen | Intel 10th Gen | Intel 12th Gen | Intel 12th Gen |
| Kit Configuration | Single Channel | Dual Channel | Dual Channel | Dual Channel | Dual Channel |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Product Name | D4ECSO-2666-16G | T9V40AA DDR4 16GB Dual Channel UDIMM Memory Module | P1N52AA | P1N53AA DDR4 8GB 3200MHz UDIMM | 141H4AA#ABB |
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| RGB Lighting | No | No | No | No | No |
| Speed | 2666 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Use Case | Server | Gaming | Gaming | Gaming | Gaming / Workstation / Server |
| Voltage | 1.2V | 1.35V | 1.35V | 1.35V | 1.35V |
| Weight | N/A | 0.1 lbs | N/A | 0.1 lbs | 0.25 lbs |
| Width | N/A | 5.3 inches | N/A | 3.0 inches | 5.3 inches |
| XMP Support | No | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 |
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