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Eight green DDR5 RDIMM modules in anti-static tray

OWC

OWC 1TB (8x128GB) DDR5 5600 CL46 4Rx4 ECC Registered RDIMM server RAM

SKU CH-RK2B-X4T91

Eight 128 GB DDR5 5600 ECC registered RDIMMs totalling 1 TB for workstations and servers

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 5600 (PC5 44800)
  • CAS LatencyCL46
  • Voltage1.1V
  • ECCYes

Capacity 1TB (8 x 128GB)

Voir les 4 autres configurations

Rank 4Rx4

  • ECC registered design protects data integrity in servers
  • 1TB capacity across eight 128GB modules maximises memory density
  • DDR5 5600 speed with CL46 latency delivers high throughput
  • 1V operation reduces power draw under heavy load
  • JEDEC and RoHS compliant for warranty-safe upgrades

Target Platforms

This 1 TB kit comprises eight 128 GB DDR5 5600 CL46 registered ECC RDIMMs built for select workstations, servers, NAS systems and network switches. It will not work in standard desktop computers and cannot be mixed with unbuffered or load-reduced ECC memory.

Thermals and Power

Modules operate at 1.1 V without heat spreaders, relying on system airflow for cooling. The JEDEC-standard design keeps power draw within specification for registered DDR5, and the kit is validated for continuous operation in multi-socket server chassis.

What the Kit Changes

Adding this memory extends the usable life of existing infrastructure or reduces cost when configuring new deployments. JEDEC and RoHS compliance plus OWC in-house testing provide a warranty-safe upgrade backed by an advanced replacement programme and free technical support.

Points forts

  • ECC registered design protects data integrity in servers
  • 1TB capacity across eight 128GB modules maximises memory density
  • DDR5 5600 speed with CL46 latency delivers high throughput
  • 1V operation reduces power draw under heavy load
  • JEDEC and RoHS compliant for warranty-safe upgrades

Caractéristiques

BrandOWC
Part Number5R6D54R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 5600 (PC5 44800)
CAS LatencyCL46
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

How do I install the 288-pin DDR5 RDIMM modules and what step is often missed?

Align the notch on each 288-pin DDR5 module with the slot key, press firmly until both retention clips click, and populate all eight slots in the server's dual-channel order so the 1TB kit runs at 5600 CL46.

What maintenance or replacement will the 1.1V ECC registered kit need later?

No routine maintenance is required; if a 128GB module fails, replace it with an identical 4Rx4 DDR5 5600 CL46 1.1V registered DIMM to keep ECC protection and dual-channel performance.

What limit appears first when the 4Rx4 128GB modules run sustained workloads?

The memory controller's maximum supported rank count per channel is reached before thermal or voltage limits, so verify the platform accepts eight 4Rx4 DDR5 5600 modules at 1.1V.

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