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Four green 288-pin DDR4 RDIMM modules with black chips

OWC

OWC 512GB (4x128GB) DDR4 2933MHz PC4-23400 CL21 4RX4 ECC Registered RDIMM 1.2V 288-pin Server RAM

SKU CH-TZ1X-P7NTN

Four 128 GB DDR4 2933 MHz ECC registered RDIMMs totalling 512 GB for servers and workstations

  • Capacity512GB (4 x 128GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 512GB (4 x 128GB)

Voir les 4 autres configurations

Rank 4Rx4

  • ECC registered design protects data integrity in servers
  • 512GB total capacity across four 128GB modules
  • DDR4 2933MHz speed with CL21 latency
  • 2V operation meets JEDEC standard
  • Backward compatible with 2133MHz, 2400MHz, 2666MHz systems

Server-grade capacity for data-intensive workloads

This kit delivers 512GB of DDR4 memory across four 128GB registered DIMMs. It targets administrators upgrading enterprise servers, workstations or NAS systems that require error-correcting code and registered signal buffering for stability under sustained load.

Requires DDR4 RDIMM slots

The modules operate at 1.2V and conform to the PC4-23400 standard with CL21 timing. They are backward compatible with 2133MHz, 2400MHz and 2666MHz bus speeds. Systems must accept 4Rx4 registered DIMMs; unbuffered consumer platforms cannot use this memory.

Passive cooling suits dense, airflow-managed chassis

No heat spreaders are fitted, reducing module height for tight slot spacing. Power draw stays at the standard DDR4 1.2V level, letting existing server cooling handle thermal load without additional fan speed or noise increase during typical operation.

Points forts

  • ECC registered design protects data integrity in servers
  • 512GB total capacity across four 128GB modules
  • DDR4 2933MHz speed with CL21 latency
  • 2V operation meets JEDEC standard
  • Backward compatible with 2133MHz, 2400MHz, 2666MHz systems

Caractéristiques

BrandOWC
Part Number2R9D44R4512S
Capacity512GB (4 x 128GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

Autres versions de ce modèle

5 de plus dans cette gamme

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Questions sur cet article

Will the 4Rx4 registered DIMMs hit a rank-per-channel limit before I fill all 512GB?

Each 128GB module is quad-rank 4Rx4; most server chipsets allow eight ranks per channel, so two modules per channel reach that ceiling before all four slots are used.

How much heat does a full 512GB kit generate at 1.2V with no heat spreaders?

Registered ECC modules at 1.2V typically draw 3–5 watts each under sustained load; four modules stay well within normal server airflow limits without spreaders.

Must my motherboard already support DDR4 2933 registered ECC and 288-pin RDIMM slots?

Yes — the kit requires a server or workstation board with DDR4 registered ECC memory controllers and 288-pin RDIMM sockets; it will not work in standard desktop systems.

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