Description
16GB Synology 2666 DDR4 RAM – High-Performance Upgrade for Synology NAS
Upgrade your Synology NAS with confidence using this high-quality 16GB Synology 2666 DDR4 SO-DIMM memory module. Designed to deliver fast, stable performance, it is ideal for users who need more memory to handle growing workloads, media libraries, virtualization, and multiple concurrent users. Whether you’re expanding storage capabilities or improving multitasking and speed, this RAM upgrade offers a simple yet powerful solution.
Compatible with a Wide Range of Synology Models
This 16GB module is fully compatible with numerous Synology NAS systems across the 20, 19, and 18 series. It works with:
- 20 Series: RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+
- 19 Series: DS2419+, DS2419+II, DS1819+, DVA3219
- 18 Series: DS1618+
Many Synology devices can support more memory than officially listed. If your model isn’t on the list, feel free to contact us—we’re happy to help verify compatibility.
Reliable and Efficient Performance
The 16GB Synology 2666 RAM module features a speed of 2666 MHz (PC4-21300) and operates at a low voltage of 1.2V, helping your NAS run efficiently with minimal power consumption. This is especially important for 24/7 systems that demand stability and energy savings.
It is unbuffered and non-ECC, which suits most Synology models, and features a double-sided build with high-density chips for optimized performance. Whether you’re using your NAS for backups, media streaming, surveillance, or virtual machines, this upgrade improves speed and responsiveness across the board.
Product Specifications:
- Total Capacity: 16GB
- Module Count: 1 x 16GB
- Form Factor: SO-DIMM (260-pin)
- Type: DDR4 SDRAM
- Bus Speed: PC4-21300 (2666 MHz)
- Voltage: 1.2V
- CAS Latency: CL11
- ECC: Non-ECC
- Buffered: No (Unbuffered)
- Double-Sided: Yes
- Condition: Brand New
- Manufacturer: Memoz
- Warranty: 5 Years
Easy Installation and Instant Results
Installing this module is fast and easy—simply power down your NAS, insert the SO-DIMM RAM into the memory slot, and reboot. No advanced technical knowledge is required. Once installed, your Synology system will automatically detect the new RAM, giving you a noticeable improvement in speed, multitasking capability, and overall system responsiveness.
Assembled in Australia, Backed with Warranty
This 16GB Synology 2666 memory module is proudly assembled in Australia and rigorously tested for quality and compatibility. It comes with a 5-year manufacturer warranty, giving you peace of mind and assurance of long-term reliability.
At Memoz, we understand how critical your NAS is to your workflow or personal storage needs. That’s why we offer only carefully selected, high-quality memory—ensuring your NAS runs efficiently and reliably every day.
Why Choose This 16GB Synology 2666 RAM?
- Significantly boosts your Synology NAS speed and performance
- Ideal for multitasking, backups, virtualization, media, and more
- Compatible with many Synology models across several series
- Easy to install – no software or configuration needed
- Energy-efficient 1.2V operation for 24/7 environments
- Australian-assembled with long-term support and warranty
Upgrade your system today with the 16GB Synology 2666 DDR4 RAM and experience faster performance, greater capacity, and peace of mind. Whether for home, office, or enterprise use, this module is a smart, cost-effective investment for your NAS.

16GB RAM for Synology 2666 MHz RS820+ DS920+ DS2419+ Upgrades D4NESO-2666-4G 




Jon Harrison –
This 5* review is for the helpful staff at Adorit