1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Timetec DDR4-2666 32GB KIT (2x16GB) ECC Unbuffered SODIMM RAM. Please read this manual thoroughly before installation to ensure proper functionality and to prevent damage to your system or the memory modules.
The Timetec DDR4-2666 ECC Unbuffered SODIMM RAM is designed for specific server and NAS systems requiring Error-Correcting Code (ECC) memory in a Small Outline Dual In-line Memory Module (SODIMM) form factor. This memory kit provides 32GB of capacity, consisting of two 16GB modules, operating at 2666MHz with a CAS Latency of CL19 and a voltage of 1.2V.
2. Product Features
- Memory Type: DDR4 ECC Unbuffered SODIMM
- Capacity: 32GB Kit (2 x 16GB modules)
- Speed: 2666MHz (PC4-21300)
- Voltage: 1.2V
- CAS Latency: CL19
- Pin Count: 260 Pin
- Rank: Dual Rank 2Rx8
- Error Correction: ECC (Error-Correcting Code) for data integrity
Image: A Timetec 16GB DDR4 ECC Unbuffered SODIMM module highlighting its form factor, frequency, and latency.
3. Compatibility
This Timetec memory kit is specifically designed as a replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM RAM. It is compatible with various Synology NAS models. Please verify your system's memory requirements before installation.
Compatible Synology Series:
- 22 Series: DS1522+, DS2422+, DS3622xs+, RS822+, RS822RP+
- 21 Series: RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221
- 20 Series: RS820RP+, RS820+
- 19 Series: DS2419+, DS2419+II, DS1819+, DVA3219
- 18 Series: DS3018xs, DS1618+
- 17 Series: DS3617xs, DS3617xsII
- FS Series: FS1018
Important Note: DO NOT mix ECC and Non-ECC SODIMM RAM together in the same system. This can lead to system instability or failure.
4. Setup and Installation
Memory installation typically involves opening your system's chassis and inserting the modules into the designated SODIMM slots. Always refer to your system's specific user manual for detailed instructions on accessing and upgrading memory.
General Installation Steps:
- Power Off: Completely shut down your system and disconnect all power cables.
- Discharge Static: Ground yourself to discharge any static electricity. This can be done by touching a metal, unpainted surface of your system's chassis.
- Locate Memory Slots: Open your system's chassis and locate the SODIMM memory slots. Consult your system's manual for exact location.
- Remove Existing Modules (if applicable): If replacing existing modules, gently push the retention clips on both sides of the SODIMM slot outwards. The module will pop up, allowing you to carefully pull it out.
- Install New Modules: Align the notch on the Timetec SODIMM module with the key in the memory slot. Insert the module at a 45-degree angle and firmly push down until the retention clips snap into place, securing the module.
- Close Chassis: Once both modules are securely installed, close the system chassis.
- Power On: Reconnect power cables and power on your system. The system should automatically detect the new memory.
Image: The Timetec 32GB (2x16GB) DDR4 ECC Unbuffered SODIMM RAM kit.
5. Operating Instructions
Once the Timetec DDR4 ECC Unbuffered SODIMM RAM modules are correctly installed, they operate automatically. The system's BIOS/UEFI and operating system will recognize the increased memory capacity. No specific software installation or configuration is typically required for the memory modules themselves.
For optimal performance, ensure your system's firmware (BIOS/UEFI) is up to date. Some systems may offer memory testing utilities within their BIOS/UEFI settings or through the operating system to verify memory integrity.
6. Troubleshooting
If you encounter issues after installing the memory, consider the following troubleshooting steps:
- System Does Not Boot:
- Ensure the memory modules are fully seated in their slots and the retention clips are locked.
- Verify that the modules are compatible with your system (refer to Section 3: Compatibility).
- Try installing one module at a time to identify if a specific module is faulty.
- Reset your system's BIOS/UEFI settings to default.
- Incorrect Memory Capacity Detected:
- Check your system's BIOS/UEFI settings to confirm the detected memory.
- Ensure all modules are properly installed.
- Verify that your operating system is 64-bit, as 32-bit operating systems cannot utilize more than approximately 4GB of RAM.
- System Instability or Crashes:
- Run a memory diagnostic tool (e.g., MemTest86, Windows Memory Diagnostic) to check for errors.
- Ensure your system's firmware (BIOS/UEFI) is updated to the latest version.
- Confirm that you are not mixing ECC and Non-ECC memory modules.
If issues persist after following these steps, please contact Timetec technical support for further assistance.
7. Specifications
| Specification | Detail |
|---|---|
| Brand | Timetec |
| Model Name | D4ECSO |
| Computer Memory Size | 32 GB (2x16GB) |
| RAM Memory Technology | DDR4 |
| Memory Speed | 2666 MHz |
| Data Transfer Rate | 2666 MHz |
| Form Factor | SO-DIMM |
| Memory Form Factor | SODIMM |
| Number of Pins | 260 |
| Voltage | 1.2 Volts |
| Column Address Strobe Latency | CL19 |
| Error Correction | ECC Unbuffered |
| Compatible Devices | Laptop, Server (specifically Synology NAS models listed in Section 3) |
8. Warranty and Support
Timetec provides a Lifetime Warranty for this memory product from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical support, warranty claims, or any questions regarding your Timetec memory modules, please contact Timetec technical support. Free technical support is available based in the United States.
Please retain your proof of purchase for warranty purposes.