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Green circuit board with gold contacts and black memory chips, no heat spreader

OWC

OWC 3R2D48R4128G 128GB DDR4 3200 ECC Registered RDIMM memory upgrade

SKU CH-888Z-K7PW1

A 128GB DDR4 3200 ECC Registered RDIMM module for upgrading compatible ASRock barebone servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS Latency22
  • Voltage1.2V
  • ECCYes
  • 128 GB capacity in a single module
  • DDR4 3200 speed with CL22 latency
  • ECC registered design for data integrity
  • 2 V operation reduces power draw
  • Validated for ASRock 2U and 4U barebone servers

128GB ECC Registered Server Memory

This single 128GB DDR4 3200 module uses an 8Rx4 registered design with ECC for data integrity. It operates at 1.2V with a CAS latency of 22 and fits 288-pin DIMM slots in compatible ASRock barebone servers.

Sustained Workload Stability

Registered buffering reduces electrical load on the memory controller during continuous operation. ECC corrects single-bit errors in real time, preventing silent data corruption during long compute tasks or virtualization workloads.

DDR4 3200 Interface Limits

The module runs at PC4-25600 speeds and is backward compatible with 2133, 2400, 2666 and 2933MHz bus rates. It cannot be mixed with unbuffered or load-reduced DIMMs and will not function in standard desktop platforms.

Puntos fuertes

  • 128 GB capacity in a single module
  • DDR4 3200 speed with CL22 latency
  • ECC registered design for data integrity
  • 2 V operation reduces power draw
  • Validated for ASRock 2U and 4U barebone servers

Especificaciones

BrandOWC
Part Number3R2D48R4128G
Capacity128GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS Latency22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank8Rx4
Heat SpreaderNo
Compatible SystemASRock Barebone Server 2U2G-ICX2
ASRock Barebone Server 4U18N-ROME/2T
ASRock Barebone Server 4U36L6E-ICX2/2T
ASRock Barebone Server 4U36L6E-MILAN2/2T
ASRock Barebone Server 4U4G-SPC621D8

Preguntas sobre este artículo

Does the 1.2V DDR4 3200 module run hotter or draw more power than slower DDR4 in a server that runs all day?

It operates at the standard 1.2V DDR4 voltage, so power draw and heat are comparable to other DDR4 modules at the same voltage.

My ASRock 4U36L6E-ICX2/2T has empty slots — do I need a matching 8Rx4 registered DIMM to add this 128GB stick?

Yes, this is a single 128GB 8Rx4 registered ECC RDIMM; the system requires registered ECC memory and cannot mix with unbuffered or load-reduced types.

Will this PC4-25600 CL22 stick down-clock cleanly if my older ASRock 2U2G-ICX2 only supports 2666MHz?

The module is backward compatible with 2133, 2400, 2666 and 2933MHz speeds and will run at the highest speed the platform allows.

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