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Green 288-pin DDR4 server memory module, 16 GB 2666 MHz

Synology Inc.

Synology Inc. D4EC-2666-16G 16 GB DDR4 2666 MHz server RAM

SKU CH-R8AK-DSVZ5 MPN D4EC-2666-16G

Adds 16 GB of DDR4 memory at 2666 MHz via a 288-pin module for compatible NAS servers

  • 16 GB capacity runs multiple memory-hungry programs at once
  • DDR4-2666 speed keeps heavy workloads running smoothly
  • 288-pin DDR4 interface reduces processor idle cycles
  • Unbuffered signal delivers stable performance under load
  • PC4-21333 rating supports high-throughput data transfer

16 GB DDR4 server memory

This 16 GB DDR4 module is built for Synology NAS servers that need extra capacity for multi-tasking workloads. The unbuffered design suits platforms that accept standard DDR4 DIMMs without registered signalling. It targets administrators who want to run several memory-hungry services at once.

288-pin DDR4-2666 interface

The stick uses a 288-pin DDR4-2666 connection rated at PC4-21333, so the motherboard must provide a matching DDR4 slot and memory controller. No heat-spreader or ECC circuitry is mentioned, leaving the board layout free for tight drive cages or expansion cards. Builders should verify slot count and maximum module size in the NAS chassis manual.

Sustained 2666 MHz operation

Rated at 2666 MHz, the memory maintains its clock during prolonged file transfers, virtualization tasks or database indexing. Unbuffered signalling avoids the latency penalty of registered modules, keeping response times consistent under continuous load. Thermal behaviour will follow the system’s own airflow design.

Přednosti

  • 16 GB capacity runs multiple memory-hungry programs at once
  • DDR4-2666 speed keeps heavy workloads running smoothly
  • 288-pin DDR4 interface reduces processor idle cycles
  • Unbuffered signal delivers stable performance under load
  • PC4-21333 rating supports high-throughput data transfer

Specifikace

BrandSynology
Přepravní hmotnost0.23 kg
Rozměry balení178 × 51 × 13 mm

Otázky k tomuto produktu

How much capacity does the 16 GB DDR4-2666 module provide for sustained workloads?

The module supplies 16 GB of DDR4 memory, which is enough to keep multiple memory-hungry programs running simultaneously without hitting a capacity ceiling.

What heat or power behaviour should I expect when the D4EC-2666-16G runs continuously?

The unbuffered DDR4-2666 design operates at standard DDR4 voltage, so heat output and power draw remain typical for a 2666 MHz server module under all-day load.

Which slot type must my NAS already have to accept this 288-pin DDR4 module?

Your NAS needs a 288-pin DDR4 DIMM slot compatible with DDR4-2666/PC4-21333 memory for the module to install and function correctly.

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