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Four green DDR3 ECC registered DIMMs with gold contacts

OWC

OWC 32GB (4x8GB) DDR3 1066 PC3-8500 CL7 2Rx4 240-pin 1.5V ECC Registered RDIMM server RAM

SKU CH-5PE9-4GBZF

Adds 32 GB of DDR3 ECC registered memory at 1066 MHz CL7 across four 240-pin 1.5 V modules for servers and workstations

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • CAS latencyCL7
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB (4 x 8GB)

Rank 2Rx4

  • ECC registered design protects data integrity in servers
  • 32GB kit with four 8GB modules expands capacity
  • DDR3 1066 CL7 timing meets JEDEC PC3-8500 standard
  • 5V and 1.35V voltage support lowers power draw
  • 240-pin RDIMM form factor fits workstation and NAS slots

Server DDR3 ECC RDIMM kit

This 32 GB kit contains four 8 GB DDR3 1066 PC3-8500 CL7 registered ECC modules on 240-pin DIMMs. It is built for workstations, servers, NAS systems and routers that require registered memory with error correction.

Check platform compatibility

Your motherboard must support DDR3 registered ECC RDIMMs at 1.5 V or 1.35 V and accept 2Rx4 dual-rank modules. Standard desktop boards that only take unbuffered non-ECC memory will not work with this kit.

JEDEC and ROHS compliance

The modules meet JEDEC standards and are ROHS compliant for a warranty-safe upgrade. No heat spreaders are included, so airflow in the chassis must handle the bare DIMMs.

How it compares

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

Price $93.99
Cheaper than about 71% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $2.94 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 number8R5D32R4032S
Total capacity32 GB (4 × 8 GB)
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Memory
CAS latencyCL7
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
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

Does the OWC 32GB kit include everything needed for installation or are extra parts required?

The kit contains four 8GB DDR3 1066 ECC Registered RDIMM modules. No additional memory components are needed; the modules install directly into compatible 240-pin server DIMM slots.

Should I choose the 32GB 4x8GB CL7 kit or a different capacity for my server?

This 32GB (4 x 8GB) CL7 kit suits systems that require registered ECC DDR3 at 1066 MHz. Select it when your platform needs four ranks per channel at 1.5V and you want the full 32GB capacity in a matched set.

What does the PC3-8500 1066 CL7 rating mean once the modules are running in a server?

PC3-8500 indicates a peak data rate of 8500 MT/s at 1066 MHz with CL7 latency, giving low-latency registered ECC throughput for supported workstation and server platforms.

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