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Green rectangular DDR5 RDIMM module with black chips and gold edge connectors, no heat spreader

OWC

OWC 128GB DDR5 5600 CL46 4Rx4 288-pin 1.1V ECC Reg RDIMM memory upgrade

SKU CH-8WWE-PDTJV

Adds 128 GB of DDR5 ECC registered memory at 5600 MHz CL46 for Gigabyte G593 and H223 servers

  • Total capacity128 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latency46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 128GB

  • Massive 128 GB capacity handles heavy virtualization workloads
  • ECC registered design detects and corrects data errors automatically
  • JEDEC-standard DDR5 5600 speed ensures broad server compatibility
  • Low 1.1 V operation reduces power draw per module
  • Qualified for Gigabyte G593 and H223 server platforms

128GB DDR5 ECC RDIMM for Gigabyte servers

This 128GB DDR5 5600 CL46 registered DIMM is built for Gigabyte G593 and H223 server platforms. It delivers ECC error correction and registered signalling required by workstation and server motherboards. The single module format simplifies capacity scaling in qualified systems. It will not function in standard desktop computers or alongside unbuffered memory.

Sustained load behaviour

Registered buffering and on-die ECC maintain data integrity during continuous multi-threaded workloads typical of virtualisation and database tasks. The 1.1V operating voltage keeps power draw predictable across fully populated channels. JEDEC-standard timings ensure stable operation without manual tuning. Heat spreaders are absent, so airflow across the DIMMs must be managed by the chassis design.

4Rx4 rank architecture

The quad-rank 4Rx4 organisation packs 128GB into one 288-pin slot, maximising density per channel on compatible Gigabyte boards. This rank structure is the decisive factor for memory-controller compatibility and total system capacity limits. Verify the platform qualified-vendor list before purchase, as mixing with load-reduced or unbuffered DIMMs is not supported.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $3,786.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
CAS latency 46
Higher than about 90% of the 483 comparable items (median 22).
Price per GB $29.59 per GB
Pricier than about 84% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number5R6D54R4128G
Total capacity128 GB
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latency46
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGigabyte G593-SD0
Gigabyte G593-SD1
Gigabyte G593-SD2
Gigabyte G593-SX1
Gigabyte H223-S10

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