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Two green DDR3 ECC registered DIMMs, 240-pin, no heat spreader

OWC

OWC 32GB (2x16GB) DDR3 1066 PC3-8500 CL7 2Rx4 240-pin 1.5V ECC Registered RDIMM server RAM

SKU CH-JXYF-QE3HG

A 32 GB dual-channel kit of two 16 GB DDR3 1066 ECC registered RDIMMs for servers and workstations

  • Capacity32GB (2 x 16GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCYes

Capacity 32GB (2 x 16GB)

Rank 2Rx4

  • ECC registered design protects data integrity in servers
  • 32 GB dual-channel kit boosts multi-threaded throughput
  • DDR3 1066 CL7 timing balances speed and stability
  • 5 V JEDEC-standard voltage ensures broad platform compatibility
  • 240-pin RDIMM form factor fits select workstations and servers

Server memory upgrade kit

This OWC kit supplies 32GB of DDR3 ECC registered RDIMM across two 16GB modules. It is built for workstations, servers and NAS systems that require registered memory with error correction. Standard desktop boards cannot use these modules.

JEDEC and RoHS compliance

The modules meet JEDEC PC3-8500 specifications at 1066MHz with CL7 latency and run at 1.5V. RoHS compliance and OWC in-house testing provide a warranty-safe upgrade path for supported platforms. No heat spreaders are included.

240-pin installation notes

Each DIMM uses the 240-pin DDR3 form factor and must be seated in slots that support registered ECC memory. Mixing with unbuffered modules will prevent boot. Verify the system manual for population rules and maximum supported capacity per channel.

Highlights

  • ECC registered design protects data integrity in servers
  • 32 GB dual-channel kit boosts multi-threaded throughput
  • DDR3 1066 CL7 timing balances speed and stability
  • 5 V JEDEC-standard voltage ensures broad platform compatibility
  • 240-pin RDIMM form factor fits select workstations and servers

Specifications

BrandOWC
Part Number8R5D32R4032P
Capacity32GB (2 x 16GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Questions about this item

Will the 16 GB DDR3 modules need replacement if the platform requires a different memory generation?

The kit uses DDR3 technology at 1066 MHz. If a future system requires a newer generation, the modules will not be compatible and must be replaced.

Does the CL7 latency at 1066 MHz limit sustained throughput on a dual-channel server workload?

CL7 at 1066 MHz provides 8500 MT/s bandwidth per module; the latency is the primary timing constraint under continuous load.

How much power and heat do the two 1.5 V registered DIMMs add when running all day?

Each 16 GB module operates at 1.5 V; combined power draw is low for registered DDR3, and the modules have no heat spreader, so airflow handles thermals.

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