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Eight black DDR3 UDIMM modules without heat spreaders

OWC

OWC 32GB (8x4GB) DDR3 1600 ECC Unbuffered UDIMM Kit

SKU CH-FX7X-PQ0DR

A 32 GB kit of eight 4 GB DDR3 1600 ECC unbuffered UDIMMs at CL11 and 1.5 V for desktops, workstations or servers

  • Capacity32GB (8 x 4GB)
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 32GB (8 x 4GB)

  • ECC protection guards data integrity in critical workloads
  • 32 GB total capacity handles large datasets and virtual machines
  • DDR3 1600 speed with CL11 latency delivers responsive multitasking
  • 5 V operation matches standard desktop and server requirements
  • 240-pin unbuffered DIMMs install easily in compatible workstations and NAS systems

OWC 32GB DDR3 ECC Kit

This OWC kit supplies 32GB of DDR3 memory across eight 4GB unbuffered UDIMMs rated at 1600MHz with CL11 timing. ECC error correction makes the modules suitable for workstations, servers and NAS systems that require data integrity. The kit operates at the standard 1.5V JEDEC voltage.

Compatibility Checks Before Ordering

Verify that your motherboard accepts DDR3 240-pin UDIMMs and supports ECC unbuffered operation at 1600MHz. Confirm the board can address 32GB total capacity and that all eight slots are available or can be populated in matched pairs. Ensure the system BIOS is current enough to initialise the full kit.

Sustained Load Behaviour

Without heat spreaders the modules rely on case airflow to maintain stable temperatures during extended workloads. JEDEC-compliant 1.5V operation keeps power draw predictable for long rendering, virtualization or file-serving sessions. ECC correction continues to detect and correct single-bit errors throughout sustained use.

Highlights

  • ECC protection guards data integrity in critical workloads
  • 32 GB total capacity handles large datasets and virtual machines
  • DDR3 1600 speed with CL11 latency delivers responsive multitasking
  • 5 V operation matches standard desktop and server requirements
  • 240-pin unbuffered DIMMs install easily in compatible workstations and NAS systems

Specifications

BrandOWC
Part Number1E6D31R8032K
Capacity32GB (8 x 4GB)
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

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Questions about this item

Does the OWC 32GB DDR3 1600 kit contain eight 4 GB modules or do I need to buy additional sticks?

The kit contains eight 4 GB modules for a total of 32 GB, so no extra sticks are required.

Should I choose the CL11 1.5 V version or is there a lower-voltage alternative in this line?

This kit is only offered as CL11 at 1.5 V; no lower-voltage variant is listed.

What does the 1600 MT/s rating mean when the modules are installed in a desktop or workstation?

The modules run at 1600 MT/s with CL11 timing when the platform is configured for DDR3 1600 operation.

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