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Two green DDR5 RDIMM sticks with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 4800 CL40 1.1V 2Rx4 ECC RDIMM Dell Precision 7960

SKU CH-EJ35-2JWCD

ECC registered DDR5 kit adds 128 GB in two 64 GB modules at 4800 MT/s CL40 for Dell Precision 7960 workstations

  • Capacity128GB (2 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • 128 GB capacity with two 64 GB modules
  • DDR5 4800 speed rated at PC5-38400
  • CL40 latency at 1.1 V operating voltage
  • ECC registered RDIMM with 2Rx4 organisation
  • 288-pin form factor for Dell Precision 7960

Dell Precision 7960 DDR5 Kit

This 128 GB kit consists of two 64 GB DDR5 RDIMM modules built for Dell Precision 7960 rack and tower workstations. It targets IT teams and power users who need registered ECC memory to keep large datasets stable during long compute sessions.

Registered ECC Build for Daily Uptime

Each module uses a 288-pin registered design with on-die ECC and a 2Rx4 organisation, so the memory controller can correct single-bit errors without halting the system. The lack of a heat spreader keeps the profile low for dense chassis layouts, while the 1.10 V operating voltage matches the platform's standard power envelope.

DDR5 4800 Baseline Limits

The PC5-38400 rating at CL40 sets the ceiling for bandwidth and latency on this platform; workloads that scale beyond 128 GB or demand higher frequencies will require a different memory configuration. Buyers needing more capacity per slot or faster JEDEC speeds cannot meet those goals with this kit.

Highlights

  • 128 GB capacity with two 64 GB modules
  • DDR5 4800 speed rated at PC5-38400
  • CL40 latency at 1.1 V operating voltage
  • ECC registered RDIMM with 2Rx4 organisation
  • 288-pin form factor for Dell Precision 7960

Specifications

BrandNEMIX RAM
SeriesDell Series Server Memory
ModelDell Compatible DDR5 ECC Registered RDIMM
Part NumberMR38400-924K2
Capacity128GB (2 x 64GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
FeaturesDDR5 ECC Registered Server Motherboard Compatible

Questions about this item

Does the DDR5 4800 PC5-38400 interface cap the real-world data rate?

The modules run at DDR5 4800 (PC5-38400) with CL40 latency at 1.10 V, so the peak transfer rate is defined by that JEDEC speed grade.

What physical slot and clearance does the 288-pin RDIMM kit need?

Each 64 GB stick is a standard 288-pin DDR5 RDIMM without a heat spreader, so it fits any DDR5 RDIMM slot with normal module height clearance.

How are the two 64 GB modules installed in a Dell Precision 7960, and what step is often missed?

Populate the two modules in the matching channel slots shown in the 7960 service manual, seat each RDIMM until the ejector tabs click, then verify in BIOS that both 64 GB ranks appear at 4800 MT/s with ECC active.

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