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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

  • Total capacity32 GB (8 × 4 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

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.

How it compares

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

Price $128.99
Pricier than about 57% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB (8 × 4 GB)
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $4.03 per GB
Cheaper than about 84% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number1E6D31R8032K
Total capacity32 GB (8 × 4 GB)
Product colorBlack
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forWorkstations, Servers, and NAS Systems
More details
LED lightingNone

Other versions of this model

5 more in the same range

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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