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Eight black DDR3 UDIMM modules in a row

OWC

OWC 32GB (8x4GB) DDR3 1866 ECC Unbuffered UDIMM desktop RAM

SKU CH-DSA3-C2JE5

Eight 4 GB DDR3 1866 ECC unbuffered UDIMMs totalling 32 GB for desktop, workstation or server upgrades

  • Capacity32GB (8 x 4GB)
  • SpeedDDR3 1866 (PC3 14900)
  • CAS LatencyCL13
  • Voltage1.5V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 32GB (8 x 4GB)

  • Error-correcting ECC protects data integrity in servers and workstations
  • 32GB total capacity across eight 4GB modules supports heavy multitasking
  • DDR3 1866 speed with CL13 latency delivers responsive performance
  • 5V JEDEC-standard voltage ensures broad compatibility and warranty-safe upgrades
  • 240-pin unbuffered UDIMM form factor fits select desktops, workstations and NAS systems

32 GB DDR3 1866 ECC Kit

This OWC kit supplies 32 GB of DDR3 1866 memory across eight 4 GB unbuffered UDIMMs. Each module runs at 1.5 V with CL13 latency and includes error-correcting code for data integrity. The 240-pin DIMMs are built to JEDEC and RoHS standards for broad workstation and server compatibility.

Workstations and NAS needing ECC

The kit targets desktops, workstations and NAS systems that require ECC unbuffered DDR3. Systems without ECC support or those limited to registered memory will not benefit. Buyers using consumer platforms that lack ECC capability should choose non-ECC modules instead.

Straightforward DIMM installation

Install by powering down, opening the case and seating each 240-pin module until the retention clips click. Common issues include mixing ECC with non-ECC DIMMs, populating slots in the wrong channel order, or leaving a module partially inserted causing boot failure.

Highlights

  • Error-correcting ECC protects data integrity in servers and workstations
  • 32GB total capacity across eight 4GB modules supports heavy multitasking
  • DDR3 1866 speed with CL13 latency delivers responsive performance
  • 5V JEDEC-standard voltage ensures broad compatibility and warranty-safe upgrades
  • 240-pin unbuffered UDIMM form factor fits select desktops, workstations and NAS systems

Specifications

BrandOWC
Part Number1E8D31R8032K
Capacity32GB (8 x 4GB)
SpeedDDR3 1866 (PC3 14900)
CAS LatencyCL13
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

What motherboard slot type is required for these 240-pin DDR3 ECC UDIMMs?

The modules use a standard 240-pin DDR3 UDIMM form factor, so the board must provide DDR3 DIMM slots that accept unbuffered ECC memory.

Can I mix these CL13 1866 MHz sticks with slower DDR3 modules already installed?

The kit runs at DDR3 1866 CL13 1.5 V; the system will downclock all modules to the slowest installed speed and loosest timings.

How do I confirm the full 32 GB kit is recognised with ECC active after installation?

Check the BIOS memory summary for 32 GB total and ECC enabled, then verify in the operating system with a tool that reports ECC status.

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