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Four green DDR3 ECC registered DIMMs with gold contacts

OWC

OWC 64GB (4x16GB) DDR3 1866 CL13 2Rx4 240-pin 1.5V ECC Registered RDIMM server RAM

SKU CH-CZVD-HR566

A 64 GB DDR3 ECC registered kit of four 16 GB modules running at 1866 MHz CL13 for compatible servers and workstations

  • Capacity64GB (4 x 16GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1866 (PC3 14900)
  • CAS LatencyCL13
  • Voltage1.5V
  • ECCYes

Capacity 64GB (4 x 16GB)

Rank 2Rx4

  • ECC registered design prevents data errors in critical workloads
  • 64GB quad-channel kit expands memory capacity for virtualisation
  • DDR3 1866 CL13 timing balances speed and latency
  • 5V JEDEC standard voltage ensures broad server compatibility
  • 240-pin RDIMM form factor fits workstation and NAS systems

Server memory kit for registered DIMM slots

This 64GB kit contains four 16GB DDR3 1866 registered ECC modules built to JEDEC PC3-14900 CL13 specifications at 1.5V. The 240-pin 2Rx4 DIMMs are designed for workstations, servers and NAS systems that require registered memory with error correction.

Suits systems needing registered ECC DDR3.

The modules work only in platforms that support DDR3 registered ECC RDIMMs and cannot be mixed with unbuffered memory. Builders upgrading standard desktop boards or consumer laptops must choose a different memory type.

Four modules give 64GB total capacity

Each 16GB DIMM adds a full rank pair, letting the kit fill four slots for maximum registered-channel population. Headroom ends when all supported registered slots are occupied or when the platform limit for DDR3 registered memory is reached.

Ciri-ciri utama

  • ECC registered design prevents data errors in critical workloads
  • 64GB quad-channel kit expands memory capacity for virtualisation
  • DDR3 1866 CL13 timing balances speed and latency
  • 5V JEDEC standard voltage ensures broad server compatibility
  • 240-pin RDIMM form factor fits workstation and NAS systems

Spesifikasi

BrandOWC
Part Number1R8D32R4064S
Capacity64GB (4 x 16GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1866 (PC3 14900)
CAS LatencyCL13
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Will my motherboard need 240-pin DDR3 slots that support 1.5 V registered ECC memory to use this 64 GB kit?

Yes. The modules are 240-pin DDR3 RDIMMs that run at 1.5 V with ECC and registered signalling, so the board must provide those exact electrical and mechanical interfaces.

Can I install these CL13 1866 registered DIMMs in the same system that currently runs unbuffered ECC DDR3?

No. The manufacturer highlights state that registered memory cannot be mixed with unbuffered memory, so all slots must use registered modules of matching specification.

How can I verify the kit is running at 1866 MT/s with CL13 timings after installation?

Check the BIOS memory information or a utility such as CPU-Z; it should report DDR3-1866 (PC3-14900) at CAS 13 for each of the four 16 GB modules.

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