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Two green DDR3 ECC registered RDIMM modules 16GB kit

OWC

OWC 16GB (2x8GB) DDR3 1333 ECC Registered RDIMM Server RAM

SKU CH-FRGF-HTTKY

A 16 GB dual-channel DDR3 1333 kit with ECC registered RDIMM modules for compatible workstations and servers

  • Capacity16GB (2 x 8GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCYes

Capacity 16GB (2 x 8GB)

Rank 2Rx4

  • 16 GB dual-channel kit doubles server capacity
  • ECC registered design detects and corrects data errors
  • DDR3 1333 PC3-10600 CL9 matches spec exactly
  • 5 V JEDEC-standard voltage ensures broad compatibility
  • 240-pin RDIMM form factor fits registered DIMM slots

ECC Registered Server Memory Upgrade

This kit provides 16GB of DDR3 memory as two 8GB registered DIMMs designed for workstations and servers that require error-correcting code. It operates at 1333 MT/s with CL9 latency and 1.5V voltage. The modules use a 2Rx4 rank configuration on a 240-pin interface and are not compatible with standard desktop platforms or unbuffered memory.

Sustained Load Behaviour

Registered buffering reduces electrical load on the memory controller during continuous operation, helping maintain signal integrity across both channels. JEDEC-standard timings and voltage ensure stable throughput for long-running server workloads such as virtualization or database tasks. The dual-channel kit is tested to meet OEM specifications for consistent performance over extended periods.

Thermals Noise and Power

Modules run at the standard 1.5V DDR3 voltage without a heat spreader, relying on chassis airflow for cooling. Registered DIMMs typically draw slightly more power than unbuffered equivalents due to the register component. Silent operation is assured as there are no moving parts on the modules themselves.

Highlights

  • 16 GB dual-channel kit doubles server capacity
  • ECC registered design detects and corrects data errors
  • DDR3 1333 PC3-10600 CL9 matches spec exactly
  • 5 V JEDEC-standard voltage ensures broad compatibility
  • 240-pin RDIMM form factor fits registered DIMM slots

Specifications

BrandOWC
Part Number1R3D32R4016P
Capacity16GB (2 x 8GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Questions about this item

How much power does the 1.5 V DDR3 1333 kit draw under continuous server load?

Each module runs at 1.5 V, the standard JEDEC voltage for DDR3 1333, so total draw scales with the number of populated slots and the platform’s memory controller.

What must the motherboard provide to use these 240-pin ECC registered DIMMs?

A server or workstation board with 240-pin DDR3 slots that support registered ECC memory and the PC3-10600 data rate.

Can I add this CL9 2Rx4 kit to existing unbuffered DDR3 DIMMs in the same system?

No — registered and unbuffered modules cannot be mixed; all installed DIMMs must be registered ECC of matching speed and rank configuration.

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