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

OWC

OWC 32GB DDR5 4800 ECC Registered RDIMM 2Rx8 CL40 1.1V memory upgrade

SKU CH-Z3HE-A82VK

Adds 32 GB of DDR5 ECC registered memory at 4800 MT/s for compatible Gigabyte workstation and server platforms

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

Capacity 32GB

  • ECC registered design protects data integrity in servers and workstations
  • 32GB capacity extends memory headroom for demanding multi-threaded workloads
  • DDR5 4800 speed delivers high bandwidth for compute-intensive applications
  • 1V operation reduces power draw while maintaining stability
  • Validated for Gigabyte TO25-Z12 W753-W50 W773-W80 P163-P32 R183-P92 platforms

32GB DDR5 ECC RDIMM for Gigabyte workstations

This 32GB DDR5 4800 registered DIMM is built for Gigabyte TO25-Z12, W753-W50, W773-W80, P163-P32 and R183-P92 systems. It delivers error-correcting, registered memory required by workstation and server platforms. Standard desktop boards cannot use this module.

JEDEC DDR5 4800 sets the speed and voltage floor

The module runs at the baseline DDR5 4800 (PC5-38400) data rate with CL40 latency at 1.1V. Registered buffering adds a clock cycle, so throughput is capped at the JEDEC standard rather than enthusiast profiles. Mixing with unbuffered or load-reduced DIMMs is not supported.

Single-module upgrade installs in a 288-pin slot

Insert the stick into a compatible DDR5 RDIMM socket; the 2Rx8 organisation is recognised automatically by the listed Gigabyte platforms. Common issues arise when builders pair registered and unbuffered memory or populate slots the motherboard manual does not validate for RDIMMs.

How it compares

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

Price $812.99
Pricier than about 58% 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 $25.41 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 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 TO25-Z12
Gigabyte W753-W50
Gigabyte W773-W80
Gigabyte P163-P32
Gigabyte R183-P92

Other versions of this model

5 more in the same range

Questions about this item

Is this 32GB module the only capacity offered for these Gigabyte systems?

This specific OWC part number is a single 32GB DDR5 4800 ECC Registered RDIMM. The listed compatible systems are Gigabyte TO25-Z12, W753-W50, W773-W80, P163-P32 and R183-P92.

What does the 4800 MT/s rating deliver when installed in a Gigabyte W773-W80?

The module runs at DDR5 4800 (PC5-38400) with CL40 latency at 1.1V. Actual throughput depends on the platform memory controller and populated slots.

Will the 288-pin RDIMM interface work in a standard desktop motherboard?

No. This is an ECC Registered 288-pin DDR5 RDIMM for workstations and servers. It is not compatible with standard desktop computers or unbuffered memory slots.

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