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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

  • Total capacity64 GB (8 × 8 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • CAS latencyCL7
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank4Rx8

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.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $181.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 64 GB (8 × 8 GB)
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $2.84 per GB
Cheaper than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number8R5D34R8064K
Total capacity64 GB (8 × 8 GB)
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Memory
CAS latencyCL7
ECC supportYes
Buffer typeRegistered
Memory rank4Rx8
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.5 V

Other versions of this model

5 more in the same range

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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