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Green circuit board with black memory chips and gold edge connector

OWC

OWC 4R8D54R4128G 128GB DDR5 4800 CL40 4Rx4 1.1V ECC RDIMM

SKU CH-42K7-GD2BP

A 128GB DDR5 4800 ECC registered DIMM for Gigabyte R283 and S453 workstations and servers

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

Capacity 128GB

  • 128 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high data throughput
  • CL40 latency supports responsive workloads
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw

OWC 128GB DDR5 4800 ECC RDIMM

This module is a single 128GB DDR5 4800 CL40 4Rx4 ECC Registered DIMM built to JEDEC standard. It operates at 1.1V and uses the 288-pin form factor. The kit is validated for specific Gigabyte server and workstation platforms including the R283-Z96, R283-Z97, R283-ZF0, R283-ZF1 and S453-Z30 systems.

Suited for servers needing maximum capacity per slot

This memory targets administrators upgrading compatible Gigabyte workstations, NAS units, servers or network switches where ECC Registered DDR5 is required. It is not suitable for standard desktop computers or consumer laptops. Builders who need unbuffered or load-reduced ECC memory cannot mix this module with those types.

4Rx4 rank density decides compatibility

The 4Rx4 organisation is the critical specification that the memory controller and BIOS must support. Systems qualified only for lower rank densities will not recognise the full 128GB capacity. Verify the platform documentation for 4Rx4 support before purchase.

Points forts

  • 128 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high data throughput
  • CL40 latency supports responsive workloads
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw

Caractéristiques

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 R283-Z96
Gigabyte R283-Z97
Gigabyte R283-ZF0
Gigabyte R283-ZF1
Gigabyte S453-Z30

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Questions sur cet article

How much power does the 1.1V DDR5 4800 module draw when the server runs continuously?

The module operates at 1.1V, the standard DDR5 voltage, so power draw per DIMM stays low even under sustained 4800 MT/s workloads in Gigabyte R283-Z96 or R283-Z97 systems.

What motherboard slot and chipset support are required for this 288-pin ECC RDIMM to function?

A DDR5-capable server or workstation board with a 288-pin RDIMM slot and registered-ECC support — such as the Gigabyte R283-Z96, R283-Z97, R283-ZF0, R283-ZF1 or S453-Z30 — is required.

Can I add this 4Rx4 128GB stick alongside older DDR5 1Rx8 or 2Rx8 modules in the same Gigabyte R283-ZF1?

No — the 4Rx4 registered ECC design cannot be mixed with unbuffered, load-reduced or different-rank DDR5 modules; all slots must use identical 4Rx4 registered DIMMs.

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