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

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 1.1V 2Rx8 UDIMM QNAP TS-H3077AFU memory upgrade

SKU CH-VJ5Y-QCSRM

A 64 GB dual-channel kit of 4800 MHz DDR5 UDIMM memory built for the QNAP TS-H3077AFU all-flash NAS

  • Capacity64GB (2 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 64 GB total capacity in a dual-channel 2 x 32 GB kit
  • DDR5 4800 speed rated at PC5-38400 for fast data throughput
  • Low 1.1 V operating voltage reduces power draw and heat
  • CL40 CAS latency with 2Rx8 organisation for responsive access
  • 288-pin UDIMM form factor validated for QNAP TS-H3077AFU NAS systems

QNAP TS-H3077AFU memory kit

This 64GB kit supplies two 32GB DDR5 4800 UDIMM modules built for the QNAP TS-H3077AFU all-flash NAS. It targets administrators who need to expand system memory for virtualization, container workloads or large ZFS caches. The unbuffered non-ECC design matches the platform's supported memory type.

Sustained-load behaviour

Modules operate at 1.1V with CL40 latency and 2Rx8 organisation, delivering stable throughput during extended file-serving or backup windows. Major OEM Samsung, Micron or Hynix ICs are stress tested under load before shipping, reducing the risk of errors during continuous operation. No heat spreader is fitted, so chassis airflow must handle module cooling.

Decisive specification

The kit is validated only for the QNAP TS-H3077AFU; other NAS models, desktops or servers are not supported. Buyers needing ECC protection, registered DIMMs or a different DDR5 speed grade must select a different part.

Points forts

  • 64 GB total capacity in a dual-channel 2 x 32 GB kit
  • DDR5 4800 speed rated at PC5-38400 for fast data throughput
  • Low 1.1 V operating voltage reduces power draw and heat
  • CL40 CAS latency with 2Rx8 organisation for responsive access
  • 288-pin UDIMM form factor validated for QNAP TS-H3077AFU NAS systems

Caractéristiques

BrandNEMIX RAM
SeriesQNAP NAS Compatible Series Memory
ModelQNAP DDR5 4800MHZ Non-ECC Unbuffered UDIMM NAS Memory
Part NumberMD38400-328K2
Capacity64GB (2 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemQnap
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank2Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content64GB (2X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions sur cet article

How much power does the 1.1 V DDR5 kit draw when the NAS runs continuously?

Each module runs at 1.1 V, the standard DDR5 voltage, so the kit adds only the memory subsystem's normal load to the QNAP TS-H3077AFU power budget.

What must the NAS already have for this 288-pin kit to install?

The TS-H3077AFU needs free 288-pin DDR5 UDIMM slots; the kit provides two 32 GB modules for a 64 GB total.

Will the CL40 timing work with the original memory still installed?

The kit is validated for the TS-H3077AFU; if the system mixes ranks the controller will settle on a common timing supported by all modules.

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