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Green rectangular DDR5 RDIMM circuit board with gold edge connectors and black memory chips, no heat spreader

OWC

OWC 64GB DDR5 5600 CL46 ECC RDIMM Gigabyte R163-S30/S32/S35/SG0/SG2 memory upgrade

SKU CH-TSDW-0B89K

A 64GB DDR5 ECC registered RDIMM running at 5600 MT/s with CL46 latency and 1.1V operation for Gigabyte R163-S30, R163-S32, R163-S35, R163-SG0 and R163-SG2 servers

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

Capacity 64GB

  • 64 GB capacity adds headroom for heavy workloads
  • DDR5 5600 speed moves data at PC5-44800 bandwidth
  • ECC registered design protects data integrity in servers
  • 1 V operation keeps power draw low
  • Validated for Gigabyte R163-S30, S32, S35, SG0, SG2

Targeted ECC RDIMM upgrade

This 64GB DDR5 5600 CL46 registered module is built for Gigabyte R163-S30, R163-S32, R163-S35, R163-SG0 and R163-SG2 servers and workstations. It delivers error-correcting, buffered memory for workloads that require data integrity and sustained uptime.

JEDEC-standard build and pinout

The 288-pin RDIMM operates at 1.1V with a 2Rx4 organisation and no heat spreader, matching OEM specifications for direct installation in the listed Gigabyte platforms. JEDEC and RoHS compliance ensures a warranty-safe upgrade path.

Registered ECC requirement

This module only works in systems that support DDR5 registered ECC memory; it will not function in standard desktop boards or alongside unbuffered or load-reduced DIMMs. Verify your platform accepts registered ECC before purchasing.

How it compares

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

Price $1,615.99
Pricier than about 65% 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 $25.25 per GB
Pricier than about 70% 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 R163-S30
Gigabyte R163-S32
Gigabyte R163-S35
Gigabyte R163-SG0
Gigabyte R163-SG2

Other versions of this model

5 more in the same range

Questions about this item

What DDR5 speed and CAS latency does this 64GB module run at?

This module operates at DDR5 5600 (PC5-44800) with a CAS latency of CL46.

What physical slot and pin count does this ECC RDIMM require?

It uses a standard 288-pin DDR5 DIMM slot and is a registered ECC module.

How is this registered ECC DIMM installed, and what common mistake should be avoided?

Align the notch with the DDR5 key, press firmly until the latches click, and do not mix it with unbuffered or load-reduced ECC memory.

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