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Green circuit board with black memory chips, gold edge connector, no heat spreader

OWC

OWC 64GB DDR4 3200 ECC Registered RDIMM 2Rx4 CL22 1.2V Gigabyte R181-Z91/Z92 R182-340/34A/M80

SKU CH-5JZ0-VYX89

64 GB DDR4 3200 ECC registered RDIMM, CL22 1.2 V 2Rx4, for Gigabyte R181-Z91, Z92, R182-340, 34A, M80 servers

  • Total capacity64 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latency22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB

  • 64GB capacity extends server memory for demanding workloads
  • DDR4 3200 speed with CL22 latency delivers responsive performance
  • ECC registered design detects and corrects data errors
  • 2V operation reduces power draw in compatible systems
  • Validated for Gigabyte R181-Z91, Z92, R182-340, 34A, M80 platforms

64GB DDR4 3200 ECC Registered Module

This 64GB DDR4 3200 ECC Registered RDIMM is built for Gigabyte R181-Z91, R181-Z92, R182-340, R182-34A and R182-M80 servers and workstations. It delivers 64GB of error-correcting capacity in a single 288-pin module. The 2Rx4 organisation and CL22 timing suit memory-intensive workloads where data integrity matters. It is not compatible with standard desktop boards or unbuffered memory configurations.

Single DIMM Upgrade for Listed Gigabyte Platforms

The module plugs directly into a 288-pin DDR4 RDIMM slot on the supported Gigabyte systems. Registered buffering reduces electrical load on the memory controller, allowing higher capacities per channel. Backward compatibility with 2133, 2400, 2666 and 2933MHz buses lets it slot into existing deployments without a full platform refresh. It cannot be mixed with unbuffered or load-reduced DIMMs.

1.2V Operation with No Heat Spreader

Rated at 1.2V, the module runs at standard DDR4 voltage for registered server memory. The absence of a heat spreader keeps the profile low for dense chassis layouts, relying on system airflow for cooling. JEDEC and RoHS compliance ensures consistent thermal behaviour within spec. Power draw scales with bus speed and population density in the host platform.

How it compares

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

Price $356.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
CAS latency 22
Typical for this category: the median of 483 items is 22.
Price per GB $5.58 per GB
Cheaper than about 69% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number3R2D42R464 GB
Total capacity64 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latency22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsGigabyte R181-Z91
Gigabyte R181-Z92
Gigabyte R182-340
Gigabyte R182-34A
Gigabyte R182-M80

Other versions of this model

5 more in the same range

Questions about this item

Does the 64 GB DDR4 3200 module run at 1.2 V continuously under sustained server workloads?

Yes, the JEDEC-standard module operates at 1.2 V and is rated for continuous server and workstation use.

How much heat does the registered DIMM produce without a spreader during all-day operation?

The 1.2 V DDR4 3200 RDIMM runs cool enough for standard server airflow; no heat spreader is fitted or required.

Which Gigabyte server models must the system already be to accept this 2Rx4 ECC registered DIMM?

Compatible systems are Gigabyte R181-Z91, R181-Z92, R182-340, R182-34A and R182-M80.

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