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D3NS1866L-4G
SYNOLOGY 4GB RAM MODULE DDR3L RAM COMPATIBLE WITH DS620SLIM
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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.
D3NS1866L-4G price is is available on request. Get immediate quote.
Request bulk order quote for D3NS1866L-4G for additional pricing. Browse the full Synology Memory & Ram series or explore all Synology products.
To get the detailed certification, please go to the Compliance Center.
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR3 | DDR4 | DDR3 | DDR4 | DDR3 |
| Capacity | 4 GB | 8 GB | 16 GB | 4 GB | 8 GB |
| Compatible Platforms | Desktop | Desktop / Laptop / Server | Desktop | Desktop / Laptop / Server | Desktop |
| Compatible Systems | N/A | Rack Server / Tower Server | N/A | Workstation | N/A |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Dual Channel | Single Channel | Dual Channel |
| Speed | 1866 MHz | 2666 MHz | 1600 MHz | 2666 MHz | 1600 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL11 | CL19 | CL11 | CL19 | CL11 |
| Voltage | 1.35V | 1.2V | 1.5V | 1.2V | 1.35V |
| ECC Support | No | Yes | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | No | No | No | No |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | No | No | Yes | Yes |
| Intel Platform Support | N/A | Intel Xeon Scalable | N/A | Intel 10th Gen | N/A |
| AMD Platform Support | N/A | AMD EPYC | N/A | AMD Ryzen 3000 | N/A |
| Use Case | Gaming / Workstation | Server | General Use | General Use | Gaming |
| Product Name | D3NS1866L-4G | D4EC-2666-8G | RAMEC1600DDR3-8GBX2 | D4NE-2666-4G | RAM1600DDR3L-8GBX2 |
| Height | 1.2 inches | N/A | N/A | N/A | N/A |
| Width | 5.3 inches | N/A | N/A | N/A | N/A |
| Depth | 0.5 inches | N/A | N/A | N/A | N/A |
| Weight | 0.25 lbs | N/A | N/A | N/A | N/A |
Reliable 4GB DDR3L module for our NAS. Perfect compatibility and consistent performance for our network storage system.
Consistent 1866MHz speed and stable operation. It provides the dependable throughput required for our high-traffic file sharing.
Excellent build quality and simple installation. This memory module effectively maintains the efficiency of our professional NAS hardware.
Trustworthy performance for mission-critical storage. It ensures smooth data access and stable operation for our small office network.
Professional grade RAM with rock-solid reliability. A perfect fit for expanding the memory capacity of our compatible servers.
The Synology D3NS1866L-4G module provides 4 GB of DDR3L memory, ideal for enhancing DS620slim performance.
Yes. The D3NS1866L-4G is officially designed and fully compatible with the Synology DS620slim NAS.
It is a 204-pin DDR3L-1866 MHz SO-DIMM module, delivering low-voltage (1.35 V) high-speed operation.
Yes. The D3NS1866L-4G module features ECC technology to detect and correct single-bit memory errors.