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Name:
D3NS1866L-4G
- Description:
- SYNOLOGY 4GB RAM MODULE DDR3L RAM COMPATIBLE WITH DS620SLIM
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D3NS1866L-4G Overview
D3NS1866L-4G is a DDR3 UDIMM memory module operating at 1866 MHz with a CAS latency of CL11 and a low-voltage rating of 1.35V. It comes in a 4 GB capacity configured as a single-channel kit, is non‐ECC and unbuffered, and is designed primarily for desktop platforms.
Built with an integrated heatspreader for efficient thermal management, D3NS1866L-4G is engineered for high-performance gaming and workstation builds. Its design emphasizes reliability and stability in demanding computing environments while foregoing RGB lighting for a sleek, performance-focused profile.
What is the price of D3NS1866L-4G?
Pricing for D3NS1866L-4G is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for D3NS1866L-4G.
Explore more options from Computer Memory & Ram or explore other Synology products.
D3NS1866L-4G Specifications
| Product Type | Computer Memory |
| Memory Type | DDR3 |
| Capacity | 4 GB |
| Compatible Platforms | Desktop |
| Compatible Systems | N/A |
| Form Factor | UDIMM |
| Kit Configuration | Single Channel |
| Speed | 1866 MHz |
| Operating Temperature | N/A |
| Reliability Rating | Standard |
| CAS Latency (CL) | CL11 |
| Voltage | 1.35V |
| ECC Support | No |
| Registered/Buffered | Unbuffered |
| XMP Support | Intel XMP 2.0 |
| RGB Lighting | No |
| Heatsink / Heatspreader | Yes |
| Intel Platform Support | N/A |
| AMD Platform Support | N/A |
| Use Case | Gaming / Workstation |
| Product Name | D3NS1866L-4G |
| Height | 1.2 inches |
| Width | 5.3 inches |
| Depth | 0.5 inches |
| Weight | 0.25 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| AMD Platform Support | N/A | AMD Ryzen 3000 | N/A | N/A | AMD EPYC |
| Capacity | 4 GB | 4 GB | 8 GB | 16 GB | 8 GB |
| CAS Latency (CL) | CL11 | CL19 | CL11 | CL11 | CL19 |
| Compatible Platforms | Desktop | Desktop / Laptop / Server | Desktop | Desktop | Desktop / Laptop / Server |
| Compatible Systems | N/A | Workstation | N/A | N/A | Rack Server / Tower Server |
| Depth | 0.5 inches | N/A | N/A | N/A | N/A |
| ECC Support | No | No | No | No | Yes |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Heatsink / Heatspreader | Yes | Yes | Yes | No | No |
| Height | 1.2 inches | N/A | N/A | N/A | N/A |
| Intel Platform Support | N/A | Intel 10th Gen | N/A | N/A | Intel Xeon Scalable |
| Kit Configuration | Single Channel | Single Channel | Dual Channel | Dual Channel | Single Channel |
| Memory Type | DDR3 | DDR4 | DDR3 | DDR3 | DDR4 |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Product Name | D3NS1866L-4G | D4NE-2666-4G | RAM1600DDR3L-8GBX2 | RAMEC1600DDR3-8GBX2 | D4EC-2666-8G |
| 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 | 1866 MHz | 2666 MHz | 1600 MHz | 1600 MHz | 2666 MHz |
| Use Case | Gaming / Workstation | General Use | Gaming | General Use | Server |
| Voltage | 1.35V | 1.2V | 1.35V | 1.5V | 1.2V |
| Weight | 0.25 lbs | N/A | N/A | N/A | N/A |
| Width | 5.3 inches | N/A | N/A | N/A | N/A |
| XMP Support | Intel XMP 2.0 | No | No | No | No |
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Questions & Answers
Q
What is the capacity of the Synology D3NS1866L-4G RAM module?
A
The Synology D3NS1866L-4G module provides 4 GB of DDR3L memory, ideal for enhancing DS620slim performance.
Q
Is the D3NS1866L-4G RAM compatible with the Synology DS620slim?
A
Yes. The D3NS1866L-4G is officially designed and fully compatible with the Synology DS620slim NAS.
Q
What type and speed of memory does the D3NS1866L-4G module use?
A
It is a 204-pin DDR3L-1866 MHz SO-DIMM module, delivering low-voltage (1.35 V) high-speed operation.
Q
Does the D3NS1866L-4G support ECC (Error-Correcting Code)?
A
Yes. The D3NS1866L-4G module features ECC technology to detect and correct single-bit memory errors.
Q
Can I mix the D3NS1866L-4G with other RAM modules in my DS620slim?
A
Mixing different modules is not recommended. For optimal stability, install identical Synology modules.
Q
How many D3NS1866L-4G modules can I install in the DS620slim?
A
The DS620slim has two SO-DIMM slots and supports up to two D3NS1866L-4G modules (8 GB total).
Q
What voltage does the Synology D3NS1866L-4G require?
A
The module operates at 1.35 V, reducing power consumption and heat generation.
Q
How do I install the D3NS1866L-4G RAM in my DS620slim?
A
Power off the NAS, remove the cover, insert the module into an empty SO-DIMM slot until it clicks, then replace the cover and power on.
Q
Will adding D3NS1866L-4G RAM improve my NAS performance?
A
Yes. Increasing memory capacity enhances multitasking, application responsiveness, and overall system stability.
Q
Is the D3NS1866L-4G covered by a warranty?
A
Yes. Synology provides a five-year limited warranty for the D3NS1866L-4G module.
Q
What are the operating temperature requirements for the D3NS1866L-4G?
A
The module functions reliably within 0 °C to 40 °C (32 °F to 104 °F) ambient temperature.
Q
Can I install the D3NS1866L-4G RAM myself?
A
Yes. The DS620slim supports user-upgradeable memory; no professional service is required.
Q
Is the D3NS1866L-4G compatible with other Synology NAS models?
A
Yes. It also works with select Synology models that use DDR3L-1866 SO-DIMM, as listed in Synology’s compatibility guide.
Q
How does the Synology D3NS1866L-4G differ from generic DDR3L modules?
A
It is factory-tested and validated by Synology for full compatibility, ECC support, and backed by Synology’s warranty.
Q
Where can I purchase a genuine D3NS1866L-4G module?
A
Order directly from Synology’s online store or authorized resellers to ensure authenticity and warranty coverage.
Q
What should I do if my NAS doesn’t recognize the D3NS1866L-4G module?
A
Ensure the module is fully seated, update DSM to the latest version, and verify compatibility in Synology’s RAM guide.
