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Green circuit board with gold 288-pin edge connector and black memory chips

OWC

OWC 128GB DDR5 4800 CL40 4Rx4 288-pin 1.1V ECC RDIMM 4R8D54R4128G

SKU CH-CZK3-4VYYX

A 128 GB DDR5 4800 CL40 ECC registered RDIMM for Gigabyte R183 and R263 servers

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

Capacity 128GB

  • 128 GB capacity lets you run large datasets in memory
  • DDR5 4800 speed moves data at PC5-38400 bandwidth
  • ECC registered design detects and corrects errors for server reliability
  • 1 V operation reduces power draw in dense configurations
  • Validated for Gigabyte R183-ZF0, R183-ZF1, R263-Z30, R263-Z32, R263-Z33

OWC 128GB DDR5 ECC RDIMM

This single 128GB DDR5 4800 CL40 module is built for Gigabyte R183 and R263 workstation and server platforms. It delivers registered ECC operation at 1.1V for data-integrity workloads.

288-pin registered form factor

The 288-pin RDIMM plugs directly into compatible server boards without a heat spreader. Registered signalling and 4Rx4 organisation mean it cannot be mixed with unbuffered or load-reduced DIMMs in the same system.

Replaces smaller registered ECC DIMMs

Upgrading from lower-capacity registered modules adds memory headroom for virtualisation or large datasets. The jump is worthwhile when the platform supports 128GB per slot and the workload demands ECC registered memory.

Ciri-ciri utama

  • 128 GB capacity lets you run large datasets in memory
  • DDR5 4800 speed moves data at PC5-38400 bandwidth
  • ECC registered design detects and corrects errors for server reliability
  • 1 V operation reduces power draw in dense configurations
  • Validated for Gigabyte R183-ZF0, R183-ZF1, R263-Z30, R263-Z32, R263-Z33

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 R183-ZF0
Gigabyte R183-ZF1
Gigabyte R263-Z30
Gigabyte R263-Z32
Gigabyte R263-Z33

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Does the DDR5 4800 PC5-38400 CL40 interface cap bandwidth at 38400 MB/s?

Yes, the PC5-38400 rating means the module is specified for a maximum transfer rate of 38400 MB/s at 4800 MT/s with CL40 latency.

What slot and clearance does the 288-pin ECC RDIMM require?

It fits a standard 288-pin DDR5 DIMM slot and has no heat spreader, so it clears most server CPU coolers and dense chassis layouts.

How is the module installed, and what step is often missed?

Align the off-centre notch with the slot key, press firmly until both retention clips click, then verify the system recognises all 128 GB and ECC registered mode in BIOS.

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