United States$5,000,000+
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Zelda Vance
5
Reliable 8GB ECC memory. It ensures high data integrity and consistent performance for our servers.
D4EC-2666-8G
D4EC-2666-8G - 4 GB - 1 x 4 GB - DDR4 - 2666 MHz - 288-pin D...
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D4EC-2666-8G
- Description:
- D4EC-2666-8G - 4 GB - 1 x 4 GB - DDR4 - 2666 MHz - 288-pin DIMM
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- Brand:
- Synology
- Condition:
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D4EC-2666-8G Overview
D4EC-2666-8G provides DDR4 memory in a UDIMM form factor with a speed of 2666 MHz and a CAS latency of CL19. This 8 GB module is engineered for data integrity with ECC support, operating at a standard voltage of 1.2V in an unbuffered configuration, making it ideal for single-channel deployments in desktop and server applications.
D4EC-2666-8G is designed for mission-critical server and workstation builds where reliability and performance are paramount. With no RGB lighting or heatspreader, it seamlessly supports Intel Xeon Scalable and AMD EPYC platforms, ensuring robust operation in environments that demand consistent, high-quality memory performance.
D4EC-2666-8G price is is available on request. Get immediate quote.
Request bulk order quote for D4EC-2666-8G for additional pricing. Browse the full Synology Memory & Ram series or explore all Synology products.
D4EC-2666-8G Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 8 GB
- Compatible Platforms
- Desktop / Laptop / 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
- No
- Intel Platform Support
- Intel Xeon Scalable
- AMD Platform Support
- AMD EPYC
- Use Case
- Server
- Product Name
- D4EC-2666-8G
- 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
 D4EC-2666-8G |  D4NESO-2666-4G |  D4RD-2666-16G |  RAM1600DDR3-4GB |  D3NS1866L-4G | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR3 | DDR3 |
| Capacity | 8 GB | 4 GB | 16 GB | 4 GB | 4 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop | Server | Desktop | Desktop |
| Compatible Systems | Rack Server / Tower Server | N/A | Rack Server | Workstation | N/A |
| Form Factor | UDIMM | UDIMM | RDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Single Channel |
| Speed | 2666 MHz | 2666 MHz | 2666 MHz | 1600 MHz | 1866 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | Standard | High Reliability | Standard | Standard |
| CAS Latency (CL) | CL19 | CL19 | CL19 | CL11 | CL11 |
| Voltage | 1.2V | 1.2V | 1.2V | 1.5V | 1.35V |
| ECC Support | Yes | No | Yes | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Registered | Unbuffered | Unbuffered |
| XMP Support | No | Intel XMP 2.0 | No | No | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | No | Yes | No | No | Yes |
| Intel Platform Support | Intel Xeon Scalable | N/A | Intel Xeon Scalable | N/A | N/A |
| AMD Platform Support | AMD EPYC | N/A | AMD EPYC | N/A | N/A |
| Use Case | Server | Gaming | Server | General Use | Gaming / Workstation |
| Product Name | D4EC-2666-8G | D4NESO-2666-4G | D4RD-2666-16G | RAM1600DDR3-4GB | D3NS1866L-4G |
| Height | N/A | 1.4 inches | N/A | 1.18 inches | 1.2 inches |
| Width | N/A | 5.3 inches | N/A | 5.3 inches | 5.3 inches |
| Depth | N/A | 0.3 inches | N/A | 0.13 inches | 0.5 inches |
| Weight | N/A | 0.22 lbs | N/A | 0.08 lbs | 0.25 lbs |
Reviews & Ratings
G
Gideon Moore
4
Perfect compatibility and stable operation. This RAM module effectively boosts our multitasking and system efficiency.
I
Indie Hart
5
Professional grade reliability with ECC protection. It provides the trustworthy performance our mission-critical server apps need.
L
Lukas Graham
3
Exceptional build quality and dependable throughput. It has noticeably improved our system responsiveness under heavy load.
I
Ivy Sinclair
4
Solid performance and easy installation. A necessary upgrade for maintaining stability in our high-traffic business NAS.
R
Roman Pierce
5
Top-tier memory for professional hardware. Consistent reliability and great throughput for all our server-based tasks.
Z
Zane Miller
5
Essential memory upgrade for our enterprise servers. The ECC protection provides critical data integrity and has improved our system stability during intensive multitasking.
A
Abigail Thorne
4
Perfect compatibility and rock-solid performance. This 8GB module was easy to install and has noticeably enhanced our NAS responsiveness for virtualization tasks.
B
Bennett Reed
5
High-quality RAM that delivers consistent reliability. It is a necessary investment for any business needing to maintain uptime and performance in high-traffic environments.
C
Callie Foster
3
Superior build quality and dependable throughput. This module has provided the extra headroom our server needed to handle increased user loads without lag.
D
Donovan West
4
Trustworthy ECC memory that works exactly as expected. It provides the professional performance and data safety required for our mission-critical storage systems.
Questions & Answers
What are the main specifications of the D4EC-2666-8G 4GB DDR4-2666 RAM?
The D4EC-2666-8G is a single 4 GB DDR4 module running at 2666 MHz, featuring a 288-pin DIMM form factor, CL19 latency, and 1.2 V operating voltage for desktop systems.
Is the D4EC-2666-8G compatible with my motherboard?
This module is compatible with any x86 desktop motherboard that supports DDR4 2666 MHz UDIMM memory and offers 288-pin DIMM slots. Check your motherboard’s QVL for full assurance.
How do I install the D4EC-2666-8G DDR4 module?
Power off your PC, open the case, align the notch with the motherboard slot, insert the 288-pin DIMM at a 45° angle, press down until the latches click, then close the case.
What performance gains can I expect from DDR4-2666 over DDR3?
Upgrading to DDR4-2666 delivers up to 25% higher bandwidth and improved power efficiency compared to DDR3, reducing load times and enhancing multitasking in modern applications.