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Two black DDR3 DIMM modules without heat spreaders

OWC

OWC 4GB (2x2GB) DDR3 1333 PC3-10600 CL9 desktop RAM

SKU CH-EV99-NEX29

A 4GB dual-channel DDR3 kit running at 1333MHz with CL9 latency and 1.5V operation

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 4GB (2 x 2GB)

  • Dual-channel kit doubles bandwidth with two matched 2GB modules
  • DDR3 1333 speed and CL9 latency lift system responsiveness
  • 5V JEDEC voltage ensures broad desktop compatibility
  • Unbuffered non-ECC design keeps installation simple for DIY upgrades
  • 240-pin DIMM form factor fits standard desktop memory slots

Capacity and Kit Layout

This OWC kit supplies four gigabytes of DDR3 memory in a matched pair of two-gigabyte modules. It is intended for desktop and workstation systems that use 240-pin unbuffered DIMM slots and run at the standard 1.5 volt level. The CL9 latency and 1333 MHz rating follow the PC3-10600 JEDEC profile.

Build Integration

The dual-channel pair occupies two DIMM slots and leaves any remaining slots free for future expansion. No heat spreader is fitted, so the modules fit under low-profile coolers or in compact chassis without clearance issues. Installation is a straightforward DIY step that requires no extra cables, drivers or firmware changes.

Thermals Noise and Power

Operating at the JEDEC 1.5 volt specification keeps power draw low and heat output minimal in normal desktop workloads. The modules run passively with no moving parts, so they add no audible noise to the system. Standard case airflow is sufficient to maintain stable temperatures during typical multitasking sessions.

How it compares

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

Price $26.99
Cheaper than about 81% of the 3,647 comparable items (median $90.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 80% of the 3,251 comparable items (median 16 GB).
Price per GB $6.75 per GB
Typical for this category: the median of 3,251 items is $6.75 per GB.

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Specifications

Product
Brand nameOWC
Part number1U3D31R8004P
Total capacity4 GB (2 × 2 GB)
Product colorBlack
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

What is the CAS latency limit of these CL9 DDR3-1333 modules under sustained workloads?

The kit runs at CL9 latency with a 1333 MHz data rate, so the timing ceiling you hit first during heavy use is the CL9 specification at the rated PC3-10600 speed.

How much heat and power do the 1.5 V unbuffered DIMMs produce when running all day?

Each module operates at the standard 1.5 V DDR3 voltage without a heat spreader, so thermal output and power draw stay at typical JEDEC levels for 2 GB unbuffered DIMMs.

Which motherboard slot type is needed for the 240-pin dual-channel kit?

A desktop or workstation board with DDR3 240-pin UDIMM slots is required; the kit installs as a matched pair for dual-channel operation.

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