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Green rectangular DDR5 memory module with gold contacts and black chips, no heat spreader

OWC

OWC 64GB DDR5 5600 ECC Registered RDIMM 2Rx4 CL46 1.1V memory upgrade

SKU CH-C4TA-E5620

64 GB DDR5 5600 ECC registered RDIMM with CL46 latency and 1.1 V operation for Gigabyte R183-S95, R183-S96, R183-S97, R183-SF0 and R183-SF1 servers

  • Total capacity64 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latency46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB

  • 64 GB capacity lets you run larger workloads
  • ECC registered design protects data integrity in servers
  • DDR5 5600 speed delivers high throughput for demanding tasks
  • 1 V operation reduces power draw per module
  • Qualified for Gigabyte R183-S95, S96, S97, SF0, SF1

Server ECC RDIMM for Gigabyte R183

This 64GB DDR5 module is built for workstations and servers that require registered ECC memory. It fits the Gigabyte R183-S95, R183-S96, R183-S97, R183-SF0 and R183-SF1 platforms. It will not work in standard desktop computers and cannot be mixed with unbuffered or load-reduced DIMMs.

64GB capacity at DDR5 5600 speed

The single module delivers 64GB of registered memory running at PC5-44800 with CL46 latency and 1.1V operation. It provides ample headroom for virtualisation, large datasets and multi-user workloads. Capacity limits are set by the host system’s maximum supported memory per slot and total population rules.

Registered ECC with 2Rx4 organisation

The 2Rx4 rank configuration and registered buffer are the defining specifications that determine compatibility. Only systems designed for DDR5 registered ECC RDIMMs can accept this module. Buyers needing unbuffered ECC or standard desktop memory must select a different product type.

How it compares

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

Price $1,869.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB
Higher than about 60% 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 $29.22 per GB
Pricier than about 83% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number5R6D52R464 GB
Total capacity64 GB
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latency46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGigabyte R183-S95
Gigabyte R183-S96
Gigabyte R183-S97
Gigabyte R183-SF0
Gigabyte R183-SF1

Other versions of this model

5 more in the same range

Questions about this item

Will this 64 GB DDR5 5600 ECC RDIMM run alongside the registered memory already installed in my Gigabyte R183-S96?

Yes — this module is a 2Rx4 DDR5-5600 ECC Registered DIMM, and the manufacturer highlights state it cannot be mixed with unbuffered or load-reduced ECC memory, so it must be paired with identical registered ECC modules.

How can I verify the module is operating at DDR5-5600 CL46 1.1 V after installation?

Check the BIOS or UEFI memory information screen; it should report 5600 MT/s, CAS latency 46 and 1.1 V for the installed DIMM.

Does the 64 GB DDR5 ECC RDIMM ship with a heat spreader or any extra accessories?

The specifications list no heat spreader and the box contains only the single 288-pin registered DIMM; no cables, brackets or additional components are included.

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