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

OWC

OWC 32GB DDR5 4800 CL40 2Rx8 288-pin 1.1V ECC RDIMM memory upgrade

SKU CH-72H3-W104P

A 32GB DDR5 4800 ECC registered DIMM for Gigabyte E163-Z30, E263-Z30, E283-Z90, E283-Z91 and G293-Z20 servers

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latency40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx8

Capacity 32GB

  • 32GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high bandwidth for workloads
  • ECC registered design protects data integrity in critical systems
  • 1V operation reduces power draw per module
  • Validated for Gigabyte E163-Z30 E263-Z30 E283-Z90 E283-Z91 G293-Z20

Server-grade DDR5 ECC RDIMM

This 32 GB DDR5 4800 CL40 module is a registered ECC RDIMM built for Gigabyte E163-Z30, E263-Z30, E283-Z90, E283-Z91 and G293-Z20 platforms. It targets administrators upgrading workstations, NAS units, servers or network switches that require registered error-correcting memory.

Installation notes

The 288-pin DIMM seats in a standard DDR5 RDIMM slot at 1.1 V with no heat spreader to clear. Systems must support registered ECC memory; mixing with unbuffered or load-reduced modules will prevent boot. Verify the platform accepts 2Rx8 organisation before installing.

DDR5 4800 limits

JEDEC DDR5 4800 tops out at 38 400 MB/s per module and CL40 latency, so bandwidth scales with populated channels rather than higher clocks. Registered buffering adds one cycle of command delay, and the 1.1 V rail is fixed — no over-voltage headroom exists for frequency gains.

How it compares

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

Price $760.99
Pricier than about 57% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
CAS latency 40
Higher than about 70% of the 483 comparable items (median 22).
Price per GB $23.78 per GB
Pricier than about 68% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R832 GB
Total capacity32 GB
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latency40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGigabyte E163-Z30
Gigabyte E263-Z30
Gigabyte E283-Z90
Gigabyte E283-Z91
Gigabyte G293-Z20

Other versions of this model

5 more in the same range

Questions about this item

How can I confirm the 4800 MT/s speed and CL40 latency are active after installing the module in a Gigabyte E283-Z90?

Enter the system BIOS or use a tool such as CPU-Z to verify the memory reports DDR5-4800 with CL40 timings and 1.1 V operation.

What ships in the box and what extra parts are needed to add this 32 GB RDIMM to a Gigabyte G293-Z20?

The box contains one 32 GB 288-pin DDR5 ECC registered DIMM; no additional components are required if the server has a free DDR5 RDIMM slot.

Which OWC DDR5 ECC RDIMM capacity should I choose when populating a Gigabyte E163-Z30 that supports up to 32 GB per slot?

Select the 32 GB module (part number 4R8D52R832GB) to reach the maximum per-slot capacity supported by the E163-Z30.

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