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Eight green 240-pin DDR3 ECC registered DIMMs in a kit

OWC

OWC 8R5D34R8064K 64GB (8x8GB) DDR3 1066 CL7 ECC Registered RDIMM

SKU CH-7JST-500DF

Eight 8 GB DDR3 ECC registered DIMMs running at 1066 MHz CL7 for server and workstation upgrades

  • Capacity64GB (8 x 8GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCYes

Capacity 64GB (8 x 8GB)

  • ECC registered design protects data integrity in servers
  • 64 GB kit with eight 8 GB modules expands capacity
  • DDR3 1066 CL7 timing meets JEDEC PC3-8500 standard
  • 5 V operation matches original system specifications
  • 240-pin RDIMM form factor fits compatible workstation slots

Server Memory Kit

This OWC kit supplies 64 GB of DDR3 ECC Registered memory across eight 8 GB modules. It is built for workstations and servers that require registered DIMMs with error correction.

Registered DIMM Requirement

The modules are 240-pin DDR3 RDIMMs rated at 1066 MHz with CL7 latency and 1.5 V operation. They suit systems designed for registered ECC memory and will not work in platforms that accept only unbuffered DIMMs.

4Rx8 Organisation

Each DIMM uses a 4Rx8 rank configuration, a density that some older chipsets cannot address. Verify that your motherboard or server board supports 4Rx8 Registered modules before purchasing.

Highlights

  • ECC registered design protects data integrity in servers
  • 64 GB kit with eight 8 GB modules expands capacity
  • DDR3 1066 CL7 timing meets JEDEC PC3-8500 standard
  • 5 V operation matches original system specifications
  • 240-pin RDIMM form factor fits compatible workstation slots

Specifications

BrandOWC
Part Number8R5D34R8064K
Capacity64GB (8 x 8GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx8
Multi-channel KitDual Channel Kit
Heat SpreaderNo

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Is the 64GB kit sold as a matched set of eight 8GB modules?

Yes, the kit contains eight 8GB modules for a total of 64GB.

Will the 1066MHz CL7 rating run at that speed in a dual-channel server board?

The modules are rated at DDR3 1066 (PC3-8500) with CL7 latency and 1.5V operation.

Does the 240-pin registered ECC design work in standard desktop motherboards?

No, this registered ECC RDIMM requires a workstation or server platform that supports registered memory.

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