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Green bare circuit board DDR5 RDIMM module with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 32GB DDR5 5600 ECC RDIMM 2Rx4 CL46 1.1V Lenovo ThinkSystem SR655 V3 memory upgrade

SKU CH-TADQ-2ND63

32 GB DDR5 5600 ECC registered DIMM with CL46 latency and 1.1 V operation for Lenovo ThinkSystem SR655 V3

  • Total capacity32 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • ECC protection guards data integrity on Lenovo ThinkSystem SR655 V3
  • 32 GB DDR5 5600 expands server capacity for AI workloads
  • Registered 2Rx4 design stabilises signal quality at CL46 latency
  • 1 V operation reduces power draw per module
  • 288-pin RDIMM form factor fits compatible Lenovo server slots

Server memory for Lenovo ThinkSystem SR655 V3

This 32 GB DDR5 ECC RDIMM is built for the Lenovo ThinkSystem SR655 V3 AI server. It delivers registered, error-correcting memory for workloads that require data integrity and stable operation. The single-module design suits upgrades that add capacity one slot at a time.

Registered DDR5 with 288-pin layout

The module uses a 288-pin DDR5 RDIMM form factor with a 2Rx4 organisation and runs at 1.10 V. Registered buffering reduces electrical load on the memory controller, while the absence of a heat spreader keeps the profile low for dense server configurations.

DDR5 5600 speed and CL46 latency

Rated at 5600 MT/s (PC5-44800) with CAS latency 46, the module operates within the DDR5 standard supported by the platform. Bandwidth and latency are fixed by this specification; systems needing higher throughput or lower latency would require memory rated beyond these limits.

How it compares

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

Price $1,045.99
Pricier than about 61% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $32.69 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR44800-324K1
Total capacity32 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo
In the box
Included items32 GB (1 × 32 GB) DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM

Questions about this item

Does the DDR5 5600 interface cap the module at PC5-44800 bandwidth?

Yes, the DDR5 5600 specification corresponds to a PC5-44800 data rate, so this is the maximum standard bandwidth for the module.

What physical slot and pin count does this 288-pin RDIMM require?

It requires a standard 288-pin DDR5 RDIMM socket on the motherboard; the registered design also needs a server board that supports registered ECC memory.

How is the module installed and what step is often missed?

Power down the server, open the chassis, align the notch on the 288-pin edge connector with the slot key, press firmly until both retention clips click, then verify in BIOS that the 32 GB capacity and 5600 MT/s speed are recognised.

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