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Four green DDR4 RDIMM sticks with gold contacts and black chips, no heat spreader

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 3200 CL22 ECC RDIMM Dell R7525

SKU CH-DW2K-02M64

64 GB kit of four 16 GB DDR4 3200 CL22 ECC registered DIMMs for Dell PowerEdge R7525 servers

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 64 GB total capacity across four 16 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered RDIMM protects data integrity under load
  • CL22 latency at 1.20 V for efficient operation
  • Validated for Dell PowerEdge R7525 rack server compatibility

64GB DDR4 3200 ECC RDIMM kit

This 64GB kit contains four 16GB DDR4 3200 registered DIMMs with ECC and a CAS latency of CL22. The modules operate at 1.2V and use a 288-pin 2Rx8 layout built with major OEM DRAM. They are validated for the Dell PowerEdge R7525 rack server.

Suited for Dell R7525 memory expansion

Administrators expanding a PowerEdge R7525 with matched, registered ECC modules will find this kit fits the qualified parts list. Systems that require unbuffered UDIMMs, non-ECC memory, or a different pin count cannot use these DIMMs.

Registered ECC RDIMM form factor

The decisive specification is the registered ECC RDIMM design with 2Rx8 organisation, which the R7525 memory controller expects. Installing UDIMM or LRDIMM modules instead will prevent the server from posting.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $520.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $8.14 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-628K4
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell
In the box
Included items64 GB (4 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the four 288-pin DDR4 RDIMMs in the Dell PowerEdge R7525 and what step is often missed?

Power down the server, open the chassis, locate the memory risers, and seat each 16 GB module firmly until the ejector clips lock; the step often missed is populating the slots in the exact channel order shown in the R7525 service guide so that all four 2Rx8 ranks are recognised.

What maintenance or replacement will the registered ECC modules need over time?

The modules have no moving parts and no heat spreader, so no routine maintenance is required; replacement only occurs if a module fails, which is covered by the manufacturer's lifetime replacement warranty.

What limit appears first when the kit runs at 3200 MT/s under sustained load?

The CL22 CAS latency at 1.20 V is the primary timing constraint; sustained throughput is bounded by the DDR4 3200 PC4-25600 interface before thermal or voltage limits become a factor.

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