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Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech D4NESO-2666-4G-ATC 4GB DDR4 2666MHz SODIMM laptop RAM

SKU CH-DAQP-05KR1

4GB DDR4 2666MHz SODIMM module compatible with Synology NAS models RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS1618+ for memory expansion

  • Capacity4GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • Boosts Synology NAS performance with validated 2666 MHz DDR4 speed
  • 4 GB single module upgrades compatible DS920+, DS720+, DS420+, DS220+
  • Low 1.20 V DDR4 voltage reduces power draw and heat
  • CL19 latency and unbuffered design deliver reliable multitasking
  • 260-pin SO-DIMM form factor fits listed Synology NAS systems

4GB DDR4 2666 SODIMM for Synology NAS

This 4GB DDR4 2666MHz SODIMM module is built as a direct replacement for the Synology D4NESO-2666-4G part. It targets owners of listed Synology NAS units who need a straightforward capacity increase without ECC or registered buffering.

Fits 260-pin DDR4 slots in compatible Synology

The stick uses the standard 260-pin SO-DIMM form factor and runs at 1.2V with CL19 latency. It installs into the memory slot of supported Synology systems such as the DS920+, DS720+, DS420+, DS220+, RS820RP+, RS820+, DS2419+, DS2419+II, DS1819+, DVA3219 and DS1618+, freeing the existing slot for a second module if the chassis allows.

Replaces the original Synology 4GB module

The jump is worth it when your current NAS ships with less than 4GB or when a failed stick needs a tested, non-ECC unbuffered equivalent. It is not for buyers who want ECC error correction, registered buffering, capacities above 4GB per module, or speeds other than DDR4 2666.

Pontos fortes

  • Boosts Synology NAS performance with validated 2666 MHz DDR4 speed
  • 4 GB single module upgrades compatible DS920+, DS720+, DS420+, DS220+
  • Low 1.20 V DDR4 voltage reduces power draw and heat
  • CL19 latency and unbuffered design deliver reliable multitasking
  • 260-pin SO-DIMM form factor fits listed Synology NAS systems

Especificações

BrandA-Tech
ModelD4NESO-2666-4G-ATC
Part NumberD4NESO-2666-4G-ATC
Capacity4GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Heat SpreaderNo
FeaturesCompatible with Select Synology NAS Systems: RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS1618+
Recommend UseSynology NAS Servers RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS1618+

Perguntas sobre este artigo

Does the CL19 latency become a bottleneck when the NAS runs sustained workloads?

The module operates at CL19 latency and 2666 MHz speed, which are the rated timings for continuous operation in the listed Synology NAS models.

How much heat or power does the 1.2 V module add when the NAS runs all day?

It runs at the standard DDR4 1.2 V voltage without a heat spreader, so thermal output and power draw stay within the NAS chassis design limits.

Which Synology NAS models must I already own for this SODIMM to work?

Compatible systems include RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219 and DS1618+.

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