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Green 288-pin DDR5 RDIMM module with black chips no heat spreader

OWC

OWC 4R8D54R4128G 128GB DDR5 4800 CL40 4Rx4 ECC RDIMM memory upgrade

SKU CH-DDY1-QYRZ1

A 128GB DDR5 ECC registered DIMM running at 4800MHz CL40, validated for Gigabyte H273-Z82 and MZ33/MZ73 workstation platforms

  • Capacity128GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS Latency40
  • Voltage1.1V
  • ECCYes

Capacity 128GB

  • 128 GB single module expands server memory capacity
  • DDR5 4800 speed with CL40 latency supports demanding workloads
  • ECC registered design detects and corrects data errors
  • 1 V operation reduces power draw in dense configurations
  • Validated for Gigabyte H273-Z82, MZ33-AR0, MZ33-CP0, MZ73-LM0, MZ73-LM1

Single-module 128 GB DDR5 ECC RDIMM

This OWC 4R8D54R4128G module delivers 128 GB of DDR5 4800 memory in a single 288-pin registered DIMM. It operates at 1.1 V with CL40 latency and 4Rx4 organisation. ECC error correction and registered signalling make it suitable for workstations, servers and NAS systems that require data integrity.

Replaces lower-capacity registered ECC DIMMs

When a compatible Gigabyte H273-Z82, MZ33-AR0, MZ33-CP0, MZ73-LM0 or MZ73-LM1 platform has free slots, this module doubles or quadruples capacity per slot without mixing ranks. The jump is worth it when the board supports 4Rx4 registered memory and the workload needs maximum density per channel.

Suits integrators upgrading validated Gigabyte

Builders who need JEDEC-standard registered ECC memory for the listed Gigabyte models can install this module with confidence. It is not for standard desktop boards that accept only unbuffered non-ECC memory, nor for systems that require load-reduced DIMMs or mixed-rank populations.

Ciri-ciri utama

  • 128 GB single module expands server memory capacity
  • DDR5 4800 speed with CL40 latency supports demanding workloads
  • ECC registered design detects and corrects data errors
  • 1 V operation reduces power draw in dense configurations
  • Validated for Gigabyte H273-Z82, MZ33-AR0, MZ33-CP0, MZ73-LM0, MZ73-LM1

Spesifikasi

BrandOWC
Part Number4R8D54R4128G
Capacity128GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS Latency40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemGigabyte H273-Z82
Gigabyte MZ33-AR0
Gigabyte MZ33-CP0
Gigabyte MZ73-LM0
Gigabyte MZ73-LM1

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Will the 288-pin DDR5 RDIMM fit a Gigabyte MZ73-LM0 motherboard?

Yes, the module is listed as compatible with the Gigabyte MZ73-LM0, MZ73-LM1, MZ33-AR0, MZ33-CP0 and H273-Z82 systems.

Do I need to populate specific DIMM slots when installing this 4Rx4 registered ECC module?

Install the RDIMM in the slot sequence recommended by the Gigabyte server board manual; registered ECC modules must not be mixed with unbuffered or load-reduced memory.

How do I know when this 128GB DDR5 4800 module should be replaced?

Replace the module if the system logs correctable ECC errors that exceed the platform threshold or if memory diagnostics report persistent failures.

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