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Four green DDR5 UDIMM sticks in anti-static tray

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 1.1V 2Rx8 UDIMM Dell Precision 3660 Tower memory upgrade

SKU CH-TW3N-S575B

128 GB DDR5 kit in four 32 GB unbuffered UDIMMs at 4800 MT/s CL40 1.10 V for Dell Precision 3660 Tower

  • Capacity128GB (4 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 128GB 4X32GB

  • 128GB total capacity from four 32GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 CAS latency at 1.1V operating voltage
  • 2Rx8 dual-rank organisation on 288-pin UDIMM form factor
  • Validated for Dell Precision 3660 Tower workstation compatibility

Dell Precision 3660 DDR5 upgrade kit

This 128GB kit contains four 32GB DDR5 4800 modules built for the Dell Precision 3660 Tower workstation. It targets professionals who need maximum supported memory capacity for heavy multitasking, virtualization or large dataset workloads.

Thermals and power profile

Each module runs at 1.1V without a heat spreader, relying on the workstation's chassis airflow for cooling. The low voltage and unbuffered design keep power draw modest and acoustic impact negligible during typical sustained loads.

What the kit changes

The matched 2Rx8 configuration populates all four slots with validated modules, removing mixed-rank instability risks. Rigorous stress testing under load is performed before shipment to ensure immediate compatibility and system stability.

Punti di forza

  • 128GB total capacity from four 32GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 CAS latency at 1.1V operating voltage
  • 2Rx8 dual-rank organisation on 288-pin UDIMM form factor
  • Validated for Dell Precision 3660 Tower workstation compatibility

Caratteristiche tecniche

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ Non-ECC Unbuffered UDIMM
Part NumberMD38400-328K4
Capacity128GB (4 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank2Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

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Domande su questo articolo

How do I install the four 288-pin DDR5 UDIMM modules in the Dell Precision 3660 Tower, and what step is often missed?

Power off and unplug the workstation, open the chassis, align each module's notch with the slot key, press firmly until both retention clips click, then verify all four 32 GB modules appear in BIOS before closing the case.

What maintenance or replacement will the 128 GB DDR5 4800 CL40 kit need over its service life?

The unbuffered non-ECC modules have no heat spreaders and no moving parts; keep interior dust clear and ensure airflow stays adequate — no scheduled replacement is required unless a module fails.

What limit appears first when the 2Rx8 DDR5 4800 memory runs sustained workloads at 1.1 V?

The CAS latency of CL40 at 4800 MT/s sets the timing boundary; sustained throughput is capped by that latency and the fixed 1.10 V operating voltage.

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