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Green 288-pin DDR4 ECC RDIMM module with black chips, no heat spreader

OWC

OWC 128GB DDR4 2933 CL21 8Rx4 288-pin 1.2V ECC RDIMM memory upgrade

SKU CH-B73A-C80BV

128 GB DDR4 2933 ECC registered RDIMM, CL21, 1.2 V, for ASRock barebone servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS Latency21
  • Voltage1.2V
  • ECCYes
  • 128 GB capacity in a single module
  • ECC registered design protects data integrity
  • DDR4 2933 speed with CL21 latency
  • 2 V operation reduces power draw
  • Compatible with listed ASRock barebone servers

Server-grade ECC registered DDR4 upgrade

This 128GB DDR4 2933 module is built for ASRock barebone servers including the 1U2FH-4L/C622, 4U36L2S-C621, MEC2U-EP2C621D16/4LP, RM138-C622LM/4L and RM23712-C622LM/22E. It delivers registered ECC reliability for workloads that cannot tolerate data corruption. The single DIMM format lets administrators populate slots one at a time. It is not suitable for standard desktop PCs or consumer motherboards.

Registered ECC limits mixing and platform choice

Registered ECC DIMMs cannot be mixed with unbuffered or load-reduced modules on the same channel. The 288-pin DDR4 interface requires a server or workstation chipset that supports registered memory and ECC error correction. Backward compatibility covers 2133, 2400 and 2666 speeds, but the platform must still accept registered modules. Systems lacking registered-ECC support will not post with this DIMM installed.

128GB 8Rx4 density decides fit

The 8Rx4 organisation packs 128GB into one 288-pin slot at 1.2V with CL21 timing. This density matches the maximum single-module capacity qualified for the listed ASRock barebone servers. Buyers needing lower per-slot density or non-ECC memory should select a different module.

Besonderheiten

  • 128 GB capacity in a single module
  • ECC registered design protects data integrity
  • DDR4 2933 speed with CL21 latency
  • 2 V operation reduces power draw
  • Compatible with listed ASRock barebone servers

Technische Daten

BrandOWC
Part Number2R9D48R4128G
Capacity128GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS Latency21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank8Rx4
Heat SpreaderNo
Compatible SystemASRock Barebone Server 1U2FH-4L/C622
ASRock Barebone Server 4U36L2S-C621
ASRock Barebone Server MEC2U-EP2C621D16/4LP
ASRock Barebone Server RM138-C622LM/4L
ASRock Barebone Server RM23712-C622LM/22E

Fragen zu diesem Artikel

Is this 128GB DDR4 2933 CL21 8Rx4 module sold as a single stick or in a kit?

It is a single 128GB DDR4 2933 PC4-23400 CL21 8Rx4 288-pin 1.2V ECC Registered RDIMM module.

What does the 2933MHz speed rating mean when installed in a compatible ASRock server?

The module runs at DDR4 2933 (PC4-23400) with CL21 latency; if the platform operates at a lower speed it will downclock to 2666, 2400 or 2133MHz automatically.

Does the 288-pin DDR4 ECC Registered interface limit the maximum memory capacity per channel?

The 288-pin DDR4 RDIMM form factor with ECC and registered buffering is designed for server and workstation platforms; capacity per channel is determined by the specific ASRock barebone model and its memory controller.

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