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Green bare circuit board DDR4 UDIMM module with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 8GB DDR4 2133 ECC UDIMM Synology Compatible memory upgrade

SKU CH-RX9Y-0826C

Adds 8 GB of DDR4 2133 ECC unbuffered UDIMM memory for compatible Synology NAS systems

  • Capacity8GB
  • SpeedDDR4 2133 (PC4 17000)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • ECC protection safeguards data integrity in Synology NAS
  • DDR4 2133 speed matches factory specifications for stable operation
  • Low 1.20 V voltage reduces power draw and heat
  • Single-rank 1Rx8 layout ensures broad motherboard compatibility
  • Rigorously stress-tested modules deliver reliability for mission-critical workloads

8 GB DDR4 ECC UDIMM for Synology NAS

This 8 GB DDR4 ECC unbuffered module is built for Synology RackStation units that require PC4-17000 memory. It targets administrators who need error-correcting RAM to keep file services and virtual machines stable. The single-rank 1Rx8 design fits the vendor-qualified slot layout.

Check slot count and maximum supported capacity

Verify how many UDIMM slots your RackStation model exposes and what total capacity the firmware allows. Confirm the system expects DDR4 2133 unbuffered ECC at 1.2 V and that it accepts 288-pin modules rather than 204-pin SODIMMs. Cross-reference the part number ME17000-818K1 with the hardware compatibility list before ordering.

Sustained workload behaviour with ECC active

Under continuous NAS workloads such as RAID rebuilds, backup streams or container hosting, the ECC circuitry corrects single-bit errors without halting the system. CL15 timing at 2133 MHz delivers steady throughput for multi-user file access. The module lacks a heat spreader, so adequate chassis airflow is required during prolonged heavy use.

Highlights

  • ECC protection safeguards data integrity in Synology NAS
  • DDR4 2133 speed matches factory specifications for stable operation
  • Low 1.20 V voltage reduces power draw and heat
  • Single-rank 1Rx8 layout ensures broad motherboard compatibility
  • Rigorously stress-tested modules deliver reliability for mission-critical workloads

Specifications

BrandNEMIX RAM
SeriesSynology Compatible Series NAS Memory
ModelSynology DDR4 2133MHZ ECC Unbuffered UDIMM
Part NumberME17000-818K1
Capacity8GB
SpeedDDR4 2133 (PC4 17000)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemSynology
CAS LatencyCL15
Heat SpreaderNo
Type204-Pin DDR3 SODIMM
Rank1Rx8
FeaturesDDR4 2133MHZ ECC Unbuffered UDIMM Motherboard Compatible
Package Content8GB (1X8GB) DDR4 2133MHZ PC4-17000 2Rx8 1.2V CL15 288-PIN ECC Unbuffered UDIMM

Questions about this item

What comes in the box with the NEMIX RAM 8GB DDR4 2133 ECC UDIMM module?

The package contains one 8GB DDR4 2133MHz PC4-17000 CL15 1.2V ECC unbuffered UDIMM. No cables, tools or additional memory sticks are included.

Which capacity and speed version should I select for a Synology RackStation that requires PC4-17000 CL15 ECC memory?

Choose the 8GB DDR4 2133MHz PC4-17000 CL15 1.2V ECC unbuffered UDIMM (part number ME17000-818K1) to match those specifications exactly.

What does the 2133MHz rating mean once the module is installed in a compatible Synology NAS?

The memory will operate at 2133MHz with CL15 latency at 1.2V, providing ECC error correction for data integrity in supported Synology RackStation models.

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