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Green circuit board DDR5 RDIMM module 128GB 288-pin no heat spreader

OWC

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

SKU CH-6J6Y-N9E69

128 GB DDR5 ECC registered RDIMM running at 5600 MHz CL46 for Gigabyte G363-SR0 and G493-S series servers

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

Capacity 128GB

  • 128GB capacity expands server memory headroom
  • DDR5 5600 speed delivers high bandwidth for demanding workloads
  • ECC registered design protects data integrity in critical applications
  • 1V operation reduces power draw per module
  • Validated for Gigabyte G363-SR0 and G493 series platforms

Server memory module

This OWC DDR5 5600 ECC Registered RDIMM provides 128GB in a single 288-pin module. It is built for Gigabyte G363-SR0 and G493 series server platforms that require registered error-correcting memory. Standard desktop systems cannot use this module.

Capacity and headroom

A 128GB stick fills one slot at full rated speed of 5600 MT/s with CL46 latency at 1.1V. Workloads that fit within 128GB per channel run without swapping; larger datasets will require additional modules or higher-density parts not covered here.

Registered ECC requirement

The module is 4Rx4 registered ECC and will not operate in unbuffered or load-reduced slots. Buyers whose boards demand unbuffered or non-ECC DDR5 must choose a different product.

How it compares

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

Price $3,790.99
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 $29.62 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 G363-SR0
Gigabyte G493-SB0
Gigabyte G493-SB1
Gigabyte G493-SB2
Gigabyte G493-SB3

Other versions of this model

5 more in the same range

Questions about this item

Will this 128GB DDR5 5600 ECC Registered RDIMM work alongside my existing DDR5 ECC Registered modules in a Gigabyte G493-SB0?

Yes, provided the installed modules are also DDR5 5600 ECC Registered RDIMMs. This module is 4Rx4, CL46 at 1.1V and cannot be mixed with unbuffered or load-reduced ECC memory.

How can I confirm the module is running at 5600 MT/s with CL46 after installation?

Check the system BIOS or a tool such as CPU-Z; it should report DDR5-5600 (PC5-44800) with CAS latency 46 and 1.1V on the SPD tab.

Does the package include only the 128GB 288-pin RDIMM or are any cables or brackets supplied?

The box contains the single 128GB DDR5 5600 CL46 4Rx4 288-pin 1.1V ECC Registered RDIMM. No cables, brackets or additional hardware are included.

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