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Two green 240-pin DDR3L ECC registered DIMMs in static bags

OWC

OWC 32GB (2x16GB) DDR3L 1066 PC3L-8500 CL7 ECC Registered DIMM server RAM

SKU CH-Y9FM-TSVGB

32 GB dual-channel kit of 16 GB DDR3L 1066 ECC registered DIMMs at 1.35 V for servers and workstations

  • Capacity32GB (2 x 16GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1066 (PC3L 8500)
  • CAS LatencyCL7
  • Voltage1.35V
  • ECCYes

Capacity 32GB (2 x 16GB)

Rank 2Rx4

  • ECC registered design protects data integrity in servers
  • 32 GB dual-channel kit expands memory capacity for heavy workloads
  • DDR3L 1066 MHz CL7 speed matches JEDEC PC3L-8500 spec
  • 35 V low-voltage modules reduce power draw and heat
  • 240-pin 2Rx4 registered DIMMs built for workstation and NAS compatibility

DDR3L 1066 ECC Registered Kit

This 32 GB kit contains two 16 GB DDR3L 1066 modules built to PC3L-8500 CL7 timings. Each 240-pin DIMM operates at 1.35 V and uses registered ECC 2Rx4 organisation for error correction in multi-socket environments.

Workstations and servers needing registered ECC

Suited for compatible workstations, servers, NAS units or routers that require DDR3L registered ECC memory. Not for standard desktop boards that accept only unbuffered non-ECC modules, nor for systems limited to higher-voltage DDR3 or different pin counts.

Dual-channel 32 GB headroom

The paired modules enable dual-channel bandwidth for memory-intensive services such as virtualisation or large file caches. Capacity tops out at 32 GB, so configurations requiring more than two DIMMs per channel or higher-density registered sticks will need a different solution.

Highlights

  • ECC registered design protects data integrity in servers
  • 32 GB dual-channel kit expands memory capacity for heavy workloads
  • DDR3L 1066 MHz CL7 speed matches JEDEC PC3L-8500 spec
  • 35 V low-voltage modules reduce power draw and heat
  • 240-pin 2Rx4 registered DIMMs built for workstation and NAS compatibility

Specifications

BrandOWC
Part Number8R5T32R4032P
Capacity32GB (2 x 16GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1066 (PC3L 8500)
CAS LatencyCL7
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

Other versions of this model

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Questions about this item

Does this 240-pin DDR3L ECC Registered DIMM kit require a server or workstation motherboard that supports registered memory?

Yes, the kit is built for workstations and servers that accept DDR3L 1066 PC3L-8500 CL7 2Rx4 1.35V registered DIMMs. It will not work in standard desktop boards or alongside unbuffered modules.

Can I add these two 16GB modules to a system that already has older DDR3L 1066 ECC registered DIMMs installed?

You can mix them only if the existing modules are also DDR3L 1066 PC3L-8500 CL7 1.35V ECC registered. Matching speed, voltage, latency and registered type is required for stable operation.

After installation, how can I confirm the full 32GB kit is recognised and running at the correct 1066MHz CL7 settings?

Check the BIOS or UEFI memory information screen: it should show 32GB total, DDR3L 1066MHz, CL7 timings and 1.35V. Operating-system tools such as dmidecode or CPU-Z will report the same values.

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