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Two green DDR5 UDIMM modules, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 4800 CL40 1.1V 288-pin UDIMM QNAP TS-H1277AXU-RP memory upgrade

SKU CH-8FSK-9ATCZ

A 32 GB DDR5 kit with two 16 GB modules running at 4800 MT/s and CL40 latency, built for the QNAP TS-H1277AXU-RP NAS

  • Capacity32GB (2 x 16GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 32GB 2X16GB

  • 32 GB dual-channel kit expands NAS capacity
  • DDR5 4800 speed boosts data throughput
  • CL40 latency at 1.1 V keeps power low
  • 288-pin UDIMM fits QNAP TS-H1277AXU-RP
  • Major OEM chips deliver validated reliability

Capacity and compatibility

This kit delivers 32GB of DDR5 memory in two 16GB modules built for the QNAP TS-H1277AXU-RP NAS. It targets administrators who need to expand system memory without replacing the original configuration.

Kit contents and specification

The package contains a matched pair of 288-pin UDIMM modules rated at 4800 MT/s with CL40 timings at 1.10V. Non-ECC unbuffered design and 1Rx8 organisation match the platform requirements for stable operation.

Installation notes

Modules install in the standard UDIMM slots and the kit is validated for the target NAS model. The main risk is mixing these sticks with existing memory of different speed, voltage or rank, which can prevent the system from booting.

Pluspunten

  • 32 GB dual-channel kit expands NAS capacity
  • DDR5 4800 speed boosts data throughput
  • CL40 latency at 1.1 V keeps power low
  • 288-pin UDIMM fits QNAP TS-H1277AXU-RP
  • Major OEM chips deliver validated reliability

Specificaties

BrandNEMIX RAM
SeriesQNAP NAS Compatible Series Memory
ModelQNAP DDR5 4800MHZ Non-ECC Unbuffered UDIMM NAS Memory
Part NumberMD38400-618K2
Capacity32GB (2 x 16GB)
SpeedDDR5 4800 (PC5 38400)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemQnap
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank1Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content32GB (2X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

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Vragen over dit artikel

Will the 1Rx8 DDR5 modules need any firmware updates or thermal pads added later?

The kit ships as non-ECC unbuffered UDIMMs with no heat spreader; no firmware is required and the modules are validated for the QNAP TS-H1277AXU-RP without extra thermal material.

What speed ceiling appears first when the NAS runs sustained workloads?

The memory operates at DDR5 4800 (PC5-38400) with CL40 latency; that rated frequency and timing set the performance boundary under continuous load.

How much power and heat do the two 16 GB sticks produce at 1.1 V all day?

Each module runs at 1.10 V standard DDR5 voltage; total kit capacity is 32 GB, and the unbuffered design keeps power draw and heat within normal DDR5 limits for the NAS chassis.

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