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Two green DDR4 DIMMs with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM4096722133ECCR 64GB (2x32GB) DDR4 2133 ECC Registered

SKU CH-GA1N-HF5DJ

64 GB kit of two 32 GB DDR4 2133 MHz ECC registered DIMMs validated for Dell PowerEdge R730, R730xd and T630 servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Memory timings15-15-15
  • Rated voltage1.2 V
  • 64 GB total capacity for demanding server workloads
  • ECC registered design detects and corrects memory errors
  • DDR4 2133 MHz CL15 timing delivers responsive throughput
  • 2 x 32 GB kit simplifies dual-channel population
  • Validated for Dell PowerEdge R730, R730xd and T630 platforms

Dell PowerEdge Server Memory Kit

This 64GB kit contains two 32GB DDR4 2133 registered ECC DIMMs built for Dell PowerEdge R730, R730xd and T630 servers. Each module runs at 1.2V with CL15 timing and a 2Rx4 organisation. The kit adds 64GB across two of the 24 available sockets in a dual-CPU configuration.

Thermals and Power in Service

Registered ECC modules operate at the standard 1.2V DDR4 voltage, keeping power draw predictable inside dense chassis. Without a heat spreader the sticks rely on the server’s directed airflow, which is designed for continuous 24/7 operation. The registered buffer reduces electrical load on the memory controller, helping stability under sustained workloads.

Upgrade Context and Fit

The kit expands a system that ships with 8GB as standard and scales to 384GB with registered DIMMs or 768GB with LRDIMMs. Mixing registered and unbuffered ECC modules is not supported, so all slots must use the same type. Buyers needing higher single-module densities or speeds beyond 2133MHz should verify platform limits before purchasing.

How it compares

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

Price $491.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $7.69 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM4096722133ECCR
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
Memory timings15-15-15
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell Poweredge R730, Poweredge R730xd, Poweredge T630
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 288-pin DDR4 modules in a Dell PowerEdge R730, and what step is often missed?

Power off the server, open the chassis, align each 288-pin DDR4 DIMM with the slot key and press firmly until the ejector tabs click; the step often missed is populating identical 2Rx4 registered modules in the same bank — mixing registered and unbuffered ECC is not supported.

What maintenance or replacement will the CM4096722133ECCR kit need later?

No routine maintenance is required; if a module fails, replace it with another 32GB 2Rx4 DDR4-2133 registered ECC DIMM at 1.2V to keep bank consistency.

What limit appears first under sustained use with these 2133 MHz registered DIMMs?

The memory controller’s maximum supported capacity — 384GB with RDIMMs or 768GB with LRDIMMs — is reached before the modules’ own thermal or electrical limits.

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