We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Four green DDR4 ECC registered RDIMM modules 288-pin 1.2V

OWC

OWC 64GB (4x16GB) DDR4 3200MHz CL22 ECC Registered RDIMM 1.2V 288-pin Server RAM

SKU CH-GZ63-DV198

Four 16 GB DDR4 3200 MHz CL22 ECC registered RDIMMs at 1.2 V totalling 64 GB for server workloads

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 64GB (4 x 16GB)

Show 4 more configurations

Rank 2Rx4

  • ECC registered design prevents data corruption in critical workloads
  • 64GB total capacity across four 16GB modules supports heavy multitasking
  • DDR4 3200MHz speed with CL22 latency delivers responsive server performance
  • 2V operation reduces power draw and heat in dense configurations
  • 288-pin RDIMM form factor fits compatible server and workstation motherboards

Server ECC Registered Memory

This OWC kit provides 64GB of DDR4 3200MHz ECC Registered RDIMM memory across four 16GB modules. It is built for workstations and servers that require registered, error-correcting memory. Standard desktop computers cannot use these modules. Mixing them with unbuffered memory is not supported.

288-Pin RDIMM Upgrade

Each module fits a 288-pin DDR4 slot and operates at 1.2V with CL22 latency. The registered design places a buffer between the memory controller and the DRAM chips, reducing electrical load on the server platform. A motherboard with registered DIMM support and ECC capability is required for operation.

64GB Quad-Channel Capacity

The four-module kit delivers 64GB total capacity for multi-threaded workloads and virtualisation. JEDEC compliance ensures stable operation at the rated 3200MHz speed. Systems needing more than 64GB or unbuffered memory will require a different memory type.

Highlights

  • ECC registered design prevents data corruption in critical workloads
  • 64GB total capacity across four 16GB modules supports heavy multitasking
  • DDR4 3200MHz speed with CL22 latency delivers responsive server performance
  • 2V operation reduces power draw and heat in dense configurations
  • 288-pin RDIMM form factor fits compatible server and workstation motherboards

Specifications

BrandOWC
Part Number3R2D42R4064S
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the CL22 latency become the bottleneck when the server runs at DDR4 3200 continuously?

CL22 is the rated timing for DDR4 3200; the controller operates at this latency under sustained load.

How much heat does a 4 x 16 GB registered kit produce when fully populated all day?

Each 1.2 V module runs without a heat spreader; registered DIMMs typically stay within JEDEC thermal limits in normal server airflow.

Must the motherboard already support 2Rx4 registered ECC RDIMMs for this kit to work?

Yes, the platform must accept 288-pin DDR4 registered ECC memory with 2Rx4 organisation.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.