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Green circuit board with black memory chips, gold edge connector, no heat spreader

OWC

OWC 64GB DDR5 5600 CL46 ECC Reg RDIMM Gigabyte R263/283

SKU CH-2QZ0-N42K4

A 64 GB DDR5 5600 CL46 ECC registered RDIMM validated for Gigabyte R263 and R283 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 large workloads in a single module
  • ECC registered design protects data integrity in servers and workstations
  • DDR5 5600 speed delivers high bandwidth for demanding applications
  • 1 V operation reduces power draw per module
  • Validated for Gigabyte R263 and R283 series systems

64GB DDR5 ECC RDIMM for Gigabyte R263/283

This is a single 64GB DDR5 5600 CL46 ECC Registered RDIMM designed for specific Gigabyte server and workstation platforms. It operates at 1.1V with a 2Rx4 rank configuration and conforms to JEDEC PC5-44800 standards. The module is validated for Gigabyte R263-S30, R263-S33, R263-S34, R263-SG0, and R283-S90 systems.

Suited for registered ECC servers only

This memory suits administrators upgrading or repairing the listed Gigabyte R263 and R283 platforms where registered ECC DDR5 is required. It will not function in standard desktop computers, consumer workstations, or any system requiring unbuffered or load-reduced DIMMs. Buyers needing non-ECC or unbuffered memory for consumer hardware should look elsewhere.

Registered ECC DDR5 is mandatory

The single specification that decides compatibility is the registered ECC DDR5 288-pin form factor. The target system must explicitly support registered ECC DDR5 modules; unbuffered, non-ECC, or load-reduced types are electrically incompatible and will not work.

How it compares

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

Price $1,613.99
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 $25.22 per GB
Pricier than about 70% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

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 R263-S30
Gigabyte R263-S33
Gigabyte R263-S34
Gigabyte R263-SG0
Gigabyte R283-S90

Other versions of this model

5 more in the same range

Questions about this item

What motherboard slots are required to install this 288-pin DDR5 5600 CL46 64GB Registered DIMM?

Your Gigabyte R263 or R283 series motherboard must provide DDR5 RDIMM slots; the module is a 288-pin Registered DIMM keyed for DDR5 only.

Can I mix this 2Rx4 ECC Registered DDR5 module with existing ECC Load-Reduced or Unbuffered DIMMs in the same Gigabyte R263-S34?

No. The manufacturer states this Registered DIMM cannot be mixed with Unbuffered or Load-Reduced memory; all installed modules must be ECC Registered.

How do I confirm the single 64GB module is running at PC5-44800 5600 CL46 after installation?

Check the BIOS memory information or OS tool (such as dmidecode) for speed 5600 MT/s, CAS latency 46, voltage 1.1 V and ECC Registered status.

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