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

OWC

OWC 64GB DDR5 5600 CL46 2Rx4 ECC RDIMM Memory Upgrade

SKU CH-11QC-BX8NC

Single 64 GB DDR5 5600 CL46 ECC registered RDIMM for compatible Gigabyte servers and workstations

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

Capacity 64GB

  • 64 GB capacity expands server multitasking headroom
  • DDR5 5600 speed accelerates data-intensive workloads
  • ECC registered design protects critical data integrity
  • 1 V operation reduces platform power draw
  • Validated for Gigabyte H263 and MS03 server boards

Purpose-built server memory

This 64 GB DDR5 module is an ECC registered DIMM designed for Gigabyte H263-S62, H263-S63, H263-S64, MS03-6L0 and MS03-CE0 systems. It operates at 5600 MT/s with a CL46 latency and 1.1 V supply. The 2Rx4 organisation and 288-pin form factor match the qualified server platforms exactly.

Sustained-load behaviour

ECC correction and registered buffering keep data integrity intact during continuous multi-threaded workloads typical of workstations, NAS appliances and network switches. JEDEC-standard signalling at 5600 MT/s delivers consistent throughput without relying on short-term boost clocks. The single-rank-per-channel 2Rx4 layout maintains stable timing across all populated slots.

Deciding specification

Registered ECC with 2Rx4 organisation is mandatory for the listed Gigabyte servers; unbuffered or load-reduced DIMMs will not function in these platforms. Buyers needing standard desktop memory or non-ECC modules must choose a different product line.

How it compares

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

Price $1,839.99
Pricier than about 67% 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 $28.75 per GB
Pricier than about 81% 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 H263-S62
Gigabyte H263-S63
Gigabyte H263-S64
Gigabyte MS03-6L0
Gigabyte MS03-CE0

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