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Eight green DDR3 RDIMM modules in anti-static packaging

OWC

OWC 8R5D32R4064K 64GB (8x8GB) DDR3 1066 CL7 ECC Registered RDIMM server RAM

SKU CH-ACPR-F9DE7

Eight 8 GB DDR3-1066 CL7 ECC registered DIMMs for servers and workstations

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

Capacity 64GB (8 x 8GB)

Rank 2Rx4

  • ECC registered design protects data integrity in critical workloads
  • 64GB kit with eight 8GB modules scales memory capacity
  • DDR3 1066 CL7 timing matches legacy server requirements
  • 240-pin RDIMM form factor fits registered DIMM slots
  • 5V operation aligns with DDR3 server platform specs

Server upgrade kit

This OWC kit supplies 64GB of DDR3 memory across eight 8GB registered DIMMs. It targets administrators who maintain workstations, servers or NAS hardware that require ECC registered modules. The parts are not compatible with standard desktop boards or unbuffered memory configurations.

Sustained operation

Each module runs at 1066MHz with CL7 latency and a 1.5V supply, while the specification sheet also lists a 1.35V low-voltage profile. ECC and registered signalling protect data integrity during continuous workloads. JEDEC and RoHS compliance confirm the parts meet industry durability expectations.

Installation notes

The 240-pin form factor fits only slots wired for DDR3 registered memory. Mixing these DIMMs with unbuffered modules will prevent boot, so the full population must match the platform's registered requirement. No heat spreaders are fitted, leaving the modules at standard height for dense slot spacing.

Pluspunten

  • ECC registered design protects data integrity in critical workloads
  • 64GB kit with eight 8GB modules scales memory capacity
  • DDR3 1066 CL7 timing matches legacy server requirements
  • 240-pin RDIMM form factor fits registered DIMM slots
  • 5V operation aligns with DDR3 server platform specs

Specificaties

BrandOWC
Part Number8R5D32R4064K
Capacity64GB (8 x 8GB)
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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Vragen over dit artikel

How much power does the 1.5V DDR3 1066 kit draw when the server runs continuously?

Each module operates at 1.5 volts and the PC3-8500 1066 speed, so total power scales with the eight installed DIMMs and your platform's memory controller efficiency.

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

A DDR3 server or workstation board with 240-pin slots that supports registered ECC memory at PC3-8500 1066 and can address 2Rx4 modules across all eight sockets.

Can I add this 64GB kit alongside older unbuffered DDR3 sticks already in the system?

No — the modules are registered ECC and the manufacturer states they cannot be mixed with unbuffered memory; all slots must use matching registered ECC DIMMs.

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