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

OWC

OWC 64GB DDR5 4800 CL40 2Rx4 ECC Registered RDIMM memory upgrade

SKU CH-XER4-XRED5

64 GB DDR5 4800 ECC registered RDIMM for Gigabyte workstation and server platforms

  • Total capacity64 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latency40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB

  • 64 GB capacity expands server memory headroom
  • DDR5 4800 MT/s speed raises data throughput
  • CL40 latency balances timing with registered stability
  • ECC registered design corrects errors for uptime
  • 1 V operation lowers power draw per module

ECC Registered DDR5 for Gigabyte Workstations

This 64GB DDR5 4800 CL40 module is a 288-pin ECC Registered RDIMM built for Gigabyte TO25-Z12, W753-W50, W773-W80, P163-P32 and R183-P92 systems. It operates at 1.1V with a 2Rx4 rank configuration and contains no heat spreader. The memory meets JEDEC and RoHS standards for warranty-safe upgrades.

Suited for ECC server builds only

It fits workstations, NAS units, servers and network switches that require registered ECC DDR5. It will not work in standard desktop computers and cannot be mixed with unbuffered or load-reduced ECC modules. Buyers who need consumer desktop memory should look elsewhere.

Single 64GB module at DDR5 4800

One module delivers 64GB of registered ECC capacity at PC5-38400 speed with CL40 latency. It handles large datasets, virtualisation workloads and multi-application server tasks within the rated frequency. Systems needing higher density per slot or faster data rates will require different modules.

How it compares

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

Price $1,451.99
Pricier than about 64% 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 40
Higher than about 70% of the 483 comparable items (median 22).
Price per GB $22.69 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 number4R8D52R464 GB
Total capacity64 GB
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latency40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
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

What motherboard models support this 288-pin DDR5 4800 CL40 ECC Registered RDIMM?

This module is validated for Gigabyte TO25-Z12, W753-W50, W773-W80, P163-P32 and R183-P92 workstation and server platforms.

Can I add this 2Rx4 Registered ECC module to existing unbuffered or load-reduced DIMMs in my server?

No. The manufacturer states it cannot be mixed with unbuffered or ECC load-reduced memory; all slots must use registered ECC modules.

How do I verify the 64GB module runs at PC5-38400 4800MHz CL40 1.1V after installation?

Check the BIOS or UEFI memory information screen; it should report DDR5 4800 MT/s, CAS latency 40 and 1.1 V for the installed DIMM.

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