Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Weight & dimensions | |
| Weight | 53 g |
| Height | 10 mm |
| Width | 185 mm |
| Depth | 95 mm |
| Other features | |
| Number of pins | 288 |
| Features | |
| Internal memory type | DDR4 |
| ECC | ![]() |
| Compatible products | SA series:SA3200D UC series:UC3200 21 series:RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+ 19 series:RS1619xs+ 18 series:RS3618xs 17 series:RS4017xs+, RS3617xs+, RS3617RPxs |
| Memory clock speed | 2666 MHz |
| Country of origin | Taiwan |
| Memory voltage | 1.2 V |
| Memory form factor | 288-pin DIMM |
| Component for | PC/Server |
| Internal memory | 8 GB |
| Memory layout (modules x size) | 1 x 8 GB |
| Memory data transfer rate | 2666 MT/s |
| Buffered memory type | Unregistered (unbuffered) |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| EAN | 4711174723522 |
| Warranty | 5 years |
The Synology D4EC-2666-8G is an 8GB DDR4 memory module specifically engineered for use in compatible Synology NAS and server platforms. Operating at a frequency of 2666 MHz, it is designed to expand system memory, which can improve multitasking capabilities and overall responsiveness under heavy workloads. This module features Error-Correcting Code (ECC) technology, which automatically detects and corrects single-bit memory errors as they occur. This function is a critical component for maintaining high levels of data integrity and system stability in always-on, mission-critical server environments.
As an official Synology component, this memory module has undergone rigorous testing to ensure optimal compatibility and reliability with a range of RackStation and NAS systems. It utilizes the standard 288-pin DIMM form factor and operates at an efficient voltage of 1.2V. As an unbuffered DIMM, it provides a direct memory upgrade path for supported devices. This facilitates smoother operation for demanding applications such as virtualization, large-scale file transfers, and concurrent multi-user access without compromising system stability.
Key Features:- Memory Capacity: 8 GB (1 x 8 GB)
- Memory Type: DDR4
- Speed: 2666 MHz
- Voltage: 1.2 V
- Form Factor: DIMM
- Error Correction: ECC (Error-Correcting Code)
- Buffering: Unbuffered
- Pin Count: 288-pin
- Intended Use: Synology NAS and server systems
Estimated delivery: 18.02 - 23.02
Today: 10:00 - 18:00
Estimated delivery: 18.02 - 23.02
Today: 09:00 - 17:00
Estimated delivery: 18.02 - 23.02
Today: 10:00 - 17:00
Estimated delivery: 18.02 - 23.02
Today: 10:00 - 18:00
Estimated delivery: 18.02 - 23.02
Today: 10:00 - 17:00
Estimated delivery time: 18.02 - 23.02
Estimated delivery time: 18.02 - 22.02
Estimated delivery time: 19.02 - 23.02
Estimated delivery time: 19.02 - 23.02
Estimated delivery time: 19.02 - 22.02
Estimated delivery time: 18.02 - 23.02
Estimated delivery time: 18.02 - 23.02
Estimated delivery time: 19.02 - 22.02

