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Two green 288-pin DDR4 RDIMM modules, bare chips, no heat spreader

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 2666 ECC RDIMM memory upgrade

SKU CH-Y7W1-17BT5

Adds 64 GB of DDR4 2666 ECC registered memory in a two-module kit for Synology FlashStation FS6400 NAS

  • Capacity64GB (2 x 32GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • ECC protection guards data integrity in critical workloads
  • Registered design stabilises signal quality for dense server configurations
  • 64 GB kit (2 × 32 GB) expands NAS capacity for heavy multitasking
  • DDR4 2666 MT/s at 1.2 V balances throughput with low power draw
  • Validated for Synology FlashStation FS6400 to ensure drop-in compatibility

Synology FS6400 ECC RDIMM kit

This 64 GB kit contains two 32 GB DDR4 2666 MHz registered DIMMs with ECC and CL19 latency. It is built for the Synology FlashStation FS6400 NAS and operates at 1.2 V. The modules use 2Rx4 organisation and 288-pin DDR4 RDIMM form factor.

Upgrade from non-ECC or lower capacity

Replacing standard unbuffered memory with this registered ECC kit adds error correction and supports larger total capacities in the FS6400. The jump is worth it when the NAS runs virtual machines, databases or ZFS pools that demand data integrity and sustained throughput.

Fits FS6400 slots directly

The two DIMMs populate the available memory slots in the FlashStation FS6400 without adapters. Registered buffering reduces electrical load on the memory controller, freeing headroom for stable operation under heavy multi-user workloads.

Pontos fortes

  • ECC protection guards data integrity in critical workloads
  • Registered design stabilises signal quality for dense server configurations
  • 64 GB kit (2 × 32 GB) expands NAS capacity for heavy multitasking
  • DDR4 2666 MT/s at 1.2 V balances throughput with low power draw
  • Validated for Synology FlashStation FS6400 to ensure drop-in compatibility

Especificações

BrandNEMIX RAM
SeriesSynology Compatible Series NAS Memory
ModelSynology DDR4 2666MHZ ECC RDIMM Registered Server Memory
Part NumberMR21300-324K2
Capacity64GB (2 x 32GB)
SpeedDDR4 2666 (PC4 21300)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemSynology
CAS LatencyCL19
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank2Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT

Perguntas sobre este artigo

Does the 288-pin DDR4 RDIMM form factor fit the memory slots in a Synology FlashStation FS6400 NAS?

Yes, the 288-pin DDR4 RDIMM modules are built to the standard server DIMM layout used by the FlashStation FS6400, so they seat directly in its memory slots without adapters.

What is the correct way to install the two 32 GB modules so the NAS recognises the full 64 GB capacity?

Power down the NAS, open the chassis, align each module's notch with the slot key, press firmly until both retention clips click, then power on and verify 64 GB in DSM.

When should the ECC registered RDIMM kit be replaced to keep the FlashStation FS6400 running reliably?

Replace the kit if DSM reports corrected ECC errors that increase over time, if the NAS fails memory self-test at boot, or if unexplained data corruption appears on volumes.

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