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Green rectangular DDR5 memory module with gold edge connector and black chips, no heat spreader

OWC

OWC 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Gigabyte R283-P93

SKU CH-EM2R-NN7VW

A single 64 GB DDR5 4800 CL40 ECC registered RDIMM for Gigabyte R283-P93 servers and workstations

  • Total capacity64 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latency40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB

  • 64 GB capacity lets you run larger workloads without swapping
  • DDR5 4800 speed delivers high bandwidth for server tasks
  • ECC registered design detects and corrects memory errors
  • 1 V operation reduces power draw in dense configurations
  • Validated for Gigabyte R283-P93 systems for guaranteed compatibility

Single-module 64 GB server upgrade

This OWC DDR5 ECC Registered RDIMM delivers 64 GB at 4800 MT/s with CL40 timing and 1.1 V operation. The 2Rx4 288-pin module is validated for the Gigabyte R283-P93 platform and meets JEDEC and RoHS standards.

ECC registration protects data integrity

Error-correcting code and registered buffering detect and correct single-bit errors while reducing electrical load on the memory controller. The design prevents mixing with unbuffered or load-reduced DIMMs, ensuring stable operation in multi-DIMM server configurations.

Suited for Gigabyte R283-P93 workstations

Builders expanding memory in that specific platform gain a warranty-safe, single-slot 64 GB upgrade. Buyers needing unbuffered desktop memory, load-reduced DIMMs, or modules for any other motherboard should look elsewhere.

How it compares

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

Price $1,285.99
Pricier than about 63% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
CAS latency 40
Higher than about 70% of the 483 comparable items (median 22).
Price per GB $20.09 per GB
Pricier than about 65% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R464 GB
Total capacity64 GB
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latency40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGigabyte R283-P93

Other versions of this model

5 more in the same range

Questions about this item

Does the 64GB DDR5 module need any periodic cleaning or component replacement during its service life?

The module has no heat spreader and no moving parts, so it requires no scheduled cleaning or component replacement under normal server operation.

What is the first limit reached when the 4800MHz CL40 RDIMM runs at full load continuously?

Sustained full-load operation is typically limited by the memory controller's thermal throttle point rather than the module's own 1.1V rating.

How much noise and heat does the 288-pin ECC Registered DIMM produce when the Gigabyte R283-P93 runs all day?

The module is completely silent; its 1.1V DDR5 design generates only modest heat that the server's existing airflow handles without extra cooling.

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