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Sixteen green DDR5 RDIMM modules in a tray, no heat spreaders

NEMIX RAM

NEMIX RAM 512GB (16x32GB) DDR5 4800 2Rx8 CL40 ECC RDIMM Dell PowerEdge XR7620 memory upgrade

SKU CH-Q930-TZ7PP

A 512 GB registered DDR5 kit with sixteen 32 GB ECC modules at 4800 MT/s, CL40, 1.1 V, built for the Dell PowerEdge XR7620

  • Total capacity512 GB (16 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Massive 512 GB capacity from sixteen 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design protects data integrity under load
  • Low 1.10 V operation reduces server power draw
  • Validated for Dell PowerEdge XR7620 rack systems

Dell PowerEdge XR7620 upgrade kit

This 512GB kit contains sixteen 32GB DDR5 RDIMMs built for the Dell PowerEdge XR7620 rack server. Each module runs at 4800MHz with CL40 latency and 1.10V operation. The registered ECC design adds error correction and signal buffering for stable operation in multi-socket configurations.

Replaces smaller or slower DDR5 sets

The jump is worth it when the workload demands maximum registered capacity and the platform supports sixteen DIMM slots. Servers running virtualization clusters, large databases or memory-intensive analytics will see reduced swapping and higher consolidation ratios. Systems limited to fewer slots or lower density modules cannot use this full configuration.

Sustained load behaviour

Modules are stress tested under load to verify stability during extended compute cycles. The 2Rx8 organisation and registered interface help maintain signal integrity across all populated channels. ECC correction continues to operate transparently during prolonged heavy traffic without performance interruption.

How it compares

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

Price $13,142.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (16 × 32 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $25.67 per GB
Pricier than about 70% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-324K16
Total capacity512 GB (16 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items512 GB (16 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does the 512GB kit with 16 modules of 32GB each fit the Dell PowerEdge XR7620 memory slots?

The kit provides 16 DDR5 RDIMMs at 288 pins each, matching the XR7620 DIMM count and pin layout for a full population.

What is the correct installation sequence for the 2Rx8 registered modules in the XR7620?

Follow the Dell service manual channel population order; install identical 2Rx8 RDIMMs per channel, ensuring each module clicks fully into the 288-pin socket.

How do I know when a 32GB DDR5 4800 ECC RDIMM in this kit needs replacement?

The module runs at 1.1V with on-die ECC; persistent corrected errors logged by the BMC or uncorrectable errors triggering a reboot indicate a failing DIMM.

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