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Eight green DDR4 RDIMM sticks with gold contacts and black chips

OWC

OWC 256GB (8x32GB) DDR4 2933MHz CL21 ECC Registered RDIMM 1.2V 288-pin server RAM

SKU CH-YKSX-EX6WJ

Eight-module 256 GB DDR4 2933 MHz CL21 ECC registered RDIMM kit for servers, workstations and NAS systems

  • Capacity256GB (8 x 32GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 256GB (8 x 32GB)

Ver 4 configuraciones más

Rank 2Rx4

  • 256 GB total capacity from eight 32 GB modules
  • ECC registered design protects data integrity in servers
  • DDR4 2933 MHz CL21 speed with 1.2 V operation
  • Backward compatible with 2133, 2400 and 2666 MHz systems
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server memory kit

This OWC kit supplies 256GB of DDR4 ECC registered RDIMM across eight 32GB modules. It is built for servers, workstations and NAS systems that require error-correcting, registered memory. Standard desktop boards cannot use these modules and they must not be mixed with unbuffered DIMMs.

Replaces slower DDR4

The kit runs at 2933MHz CL21 (PC4-23400) and is backward compatible with 2133MHz, 2400MHz and 2666MHz slots. The upgrade is worthwhile when your current memory operates at lower speeds or lacks ECC and your platform supports registered DIMMs. It will not work in systems that only accept unbuffered memory.

Capacity and headroom

Eight modules populate eight slots for a total of 256GB, giving ample headroom for virtualisation, large databases and heavy multitasking. The limit is reached when the platform's maximum memory per channel or total slot count is exhausted, or when an application demands more than 256GB.

Puntos fuertes

  • 256 GB total capacity from eight 32 GB modules
  • ECC registered design protects data integrity in servers
  • DDR4 2933 MHz CL21 speed with 1.2 V operation
  • Backward compatible with 2133, 2400 and 2666 MHz systems
  • JEDEC and RoHS compliant for warranty-safe upgrades

Especificaciones

BrandOWC
Part Number2R9D42R4256K
Capacity256GB (8 x 32GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Misma familia, con memoria, disipador o frecuencia diferentes — compare antes de decidirse.

Preguntas sobre este artículo

Will the 288-pin DDR4 RDIMM modules fit my server DIMM slots?

Yes, each 32 GB module uses the standard 288-pin DDR4 registered DIMM form factor used by servers and workstations.

Do I need to populate specific channels when installing the eight 32 GB sticks?

Install modules in matched pairs per channel following the motherboard manual; mixing registered ECC with unbuffered memory will prevent boot.

How long are the 2Rx4 ECC registered modules rated to run at 1.2 V?

OWC provides a limited lifetime warranty with advanced replacement, covering the modules for as long as you own them.

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