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Two green DDR5 UDIMM modules, no heat spreaders, 288-pin edge connectors, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 ECC UDIMM memory upgrade for QNAP TS-H1277AXU-RP

SKU CH-BKDS-2N5E9

64GB kit of two 32GB DDR5 4800 ECC unbuffered UDIMM modules at 1.1V CL40 for QNAP TS-H1277AXU-RP NAS

  • Capacity64GB (2 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 64GB 2X32GB

  • 64 GB kit expands NAS capacity for heavier workloads
  • DDR5 4800 speed with CL40 latency keeps data moving
  • ECC UDIMM protects stored files from memory errors
  • 1 V operation reduces power draw and heat
  • Validated for QNAP TS-H1277AXU-RP for drop-in compatibility

System-Specific DDR5 ECC Kit

This 64GB kit contains two 32GB DDR5 4800 ECC UDIMM modules built for the QNAP TS-H1277AXU-RP NAS. It targets administrators who need error-correcting memory to protect data integrity in storage arrays and virtualisation workloads.

288-Pin UDIMM at 1.1V

The unbuffered DDR5 modules install directly into the NAS motherboard slots without registered buffering. Each stick runs at 1.10V with CL40 timing and 2Rx8 organisation, freeing the system from non-ECC consumer memory that lacks corruption detection.

Upgrade from Non-ECC or Smaller Capacity

The kit replaces standard UDIMMs that cannot report or correct single-bit errors, and it doubles density over 32GB configurations. The jump is worth it when the NAS runs ZFS deduplication, container workloads or long-term archival jobs where silent data corruption is unacceptable.

Puntos fuertes

  • 64 GB kit expands NAS capacity for heavier workloads
  • DDR5 4800 speed with CL40 latency keeps data moving
  • ECC UDIMM protects stored files from memory errors
  • 1 V operation reduces power draw and heat
  • Validated for QNAP TS-H1277AXU-RP for drop-in compatibility

Especificaciones

BrandNEMIX RAM
SeriesQNAP NAS Compatible Series Memory
ModelQNAP DDR5 4800MHZ ECC Unbuffered UDIMM NAS Memory
Part NumberME38400-328K2
Capacity64GB (2 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemQnap
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 ECC UDIMM
Rank2Rx8
FeaturesDDR5 ECC Unbuffered UDIMM Motherboard Compatible
Package Content64GB (2X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC Unbuffered UDIMM KIT

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Preguntas sobre este artículo

Does the 4800 MT/s DDR5 kit hit a thermal limit during sustained NAS operation?

The modules run at 1.10 V without a heat spreader; sustained load in a QNAP TS-H1277AXU-RP relies on chassis airflow to keep temperatures within JEDEC limits.

How much noise or extra heat do the modules add when the NAS runs all day?

Unbuffered DDR5 UDIMMs have no moving parts and draw 1.1 V, so they add negligible acoustic noise and only modest heat that the system fans already manage.

What must the NAS already support for this 64 GB kit to work?

The TS-H1277AXU-RP must accept 288-pin DDR5 ECC UDIMMs at 4800 MT/s with 2Rx8 organisation and 1.1 V operation.

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