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Four black DDR3 DIMM modules without heat spreaders

OWC

OWC 16GB (4x4GB) DDR3 1333 ECC Unbuffered UDIMM Kit

SKU CH-YT14-QDBA0

A 16 GB DDR3 1333 ECC unbuffered UDIMM kit of four 4 GB modules for workstations, servers and NAS systems

  • Total capacity16 GB (4 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 16GB (4 x 4GB)

  • ECC protection guards data integrity in critical workloads
  • 16GB quad-channel kit expands multitasking headroom for servers
  • DDR3 1333 CL9 timing matches JEDEC-standard platform specs
  • 5V unbuffered DIMMs install directly into 240-pin desktop slots
  • Four matched 4GB modules enable dual-channel bandwidth scaling

Kit Composition

This OWC kit provides 16GB of DDR3 memory in four 4GB unbuffered UDIMM modules. It is intended for desktop workstations, servers and NAS systems that require ECC protection. The modules run at 1333MHz with CL9 latency and operate at the standard 1.5V JEDEC voltage. The 240-pin form factor fits compatible DDR3 DIMM slots.

Thermals and Power

Each module draws 1.5V and runs without a heat spreader, relying on case airflow for cooling. The JEDEC-standard voltage keeps power draw predictable for workstation and server power budgets. No active cooling is included, so adequate chassis ventilation is required to maintain stable temperatures under sustained load.

Build Integration

The four-module kit populates up to four DDR3 slots in a dual-channel configuration. ECC unbuffered design suits platforms that support error-correcting memory without registered buffers. Compatibility covers desktop, workstation and server boards that accept 240-pin DDR3 DIMMs at PC3-10600 speed. No additional cables or brackets are needed.

How it compares

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

Price $59.99
Cheaper than about 60% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB (4 × 4 GB)
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $3.75 per GB
Cheaper than about 86% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number1E3D32R8016S
Total capacity16 GB (4 × 4 GB)
Product colorBlack
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
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

How do I install the 240-pin DDR3 DIMMs and what step do people often miss?

Power off the system, open the case, align each module's notch with the slot key, press firmly until both retention clips click, then verify in BIOS that all 16GB are recognised at 1333 MHz CL9.

What maintenance or replacement will this ECC unbuffered kit need over time?

No routine maintenance is required; if a module fails the limited lifetime warranty covers replacement, and the JEDEC-compliant design ensures long-term stability in workstations, servers or NAS units.

What limit appears first when the kit runs under sustained load?

The DDR3 1333 MT/s bandwidth ceiling and CL9 latency are the primary constraints before thermal or voltage limits become factors at the rated 1.5 V.

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