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Eight green DDR4 RDIMM modules in anti-static tray

OWC

OWC 1TB (8x128GB) DDR4 3200MHz CL22 4Rx4 ECC Registered RDIMM 1.2V 288-pin Server RAM

SKU CH-S45T-FPCY6

Eight 128 GB DDR4-3200 ECC registered RDIMMs deliver 1 TB of server memory at CL22 and 1.2 V

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 1TB (8 x 128GB)

Show 4 more configurations

Rank 4Rx4

  • 1TB total capacity for dense server workloads
  • 8 modules of 128GB each populate all channels
  • DDR4 3200 speed with CL22 latency
  • ECC registered design corrects errors in critical data
  • 2V operation meets JEDEC standard for efficiency

OWC 1TB DDR4 3200 Server Kit

This kit delivers 1TB of ECC Registered DDR4 memory across eight 128GB modules. It targets administrators upgrading compatible workstations or servers that require registered DIMMs. The modules operate at 3200MHz with CL22 latency at 1.2V. Standard desktop systems cannot use this memory type.

Sustained load behaviour

Registered buffering and ECC correction maintain data integrity during continuous operation in multi-socket environments. The 4Rx4 organisation supports high-density configurations without signal degradation. JEDEC-compliant timing ensures stability across extended workloads typical of virtualisation and database tasks.

Installation notes

Install modules in matched pairs per the dual-channel kit design to enable full bandwidth. Mixing with unbuffered DIMMs will prevent boot. Verify the platform supports 4Rx4 registered modules and 128GB per slot before purchase. No heat spreaders are fitted, so chassis airflow must be adequate.

Highlights

  • 1TB total capacity for dense server workloads
  • 8 modules of 128GB each populate all channels
  • DDR4 3200 speed with CL22 latency
  • ECC registered design corrects errors in critical data
  • 2V operation meets JEDEC standard for efficiency

Specifications

BrandOWC
Part Number3R2D44R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

Other versions of this model

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Questions about this item

Will eight 128 GB registered DDR4 3200 modules running continuously raise chassis temperatures noticeably?

Each stick runs at the standard 1.2 V with no heat spreader, so thermal output matches typical server DDR4; adequate case airflow is the main factor.

What must the host system provide to use this 1 TB kit?

A server or workstation motherboard with eight 288-pin DDR4 slots that support registered ECC 4Rx4 modules at 3200 MT/s and a CPU memory controller qualified for 1 TB total capacity.

Can this kit share channels with existing 4Rx4 registered ECC DDR4 3200 DIMMs already installed?

Yes, provided the platform allows mixed-capacity 4Rx4 registered populations and the BIOS can train all ranks at the common 3200 MT/s speed.

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