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Two black DDR2 desktop memory modules without heat spreaders

OWC

OWC 2GB (2x1GB) DDR2 667 PC2-5300 CL5 1.8V Desktop RAM

SKU CH-QM8E-ABRWS

Dual-channel DDR2 kit delivers 2 GB across two 1 GB modules at 667 MHz with CL5 latency and 1.8 V operation

  • Capacity2GB (2 x 1GB)
  • SpeedDDR2 667 (PC2 5300)
  • CAS LatencyCL5
  • Voltage1.8V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 2GB (2 x 1GB)

  • Dual-channel kit doubles bandwidth for smoother multitasking
  • JEDEC-standard 1.8V operation keeps power draw low
  • CL5 latency at 667 MHz speeds up data access
  • 240-pin unbuffered DIMMs install in standard desktop slots
  • 100 % factory-tested modules deliver reliable long-term service

DDR2 667 Dual-Channel Kit

This OWC kit provides two 1GB DDR2 667 modules for a total of 2GB. It targets owners of older desktops that require PC2-5300 unbuffered non-ECC memory. The 240-pin UDIMMs install in standard desktop slots.

JEDEC-Standard 1.8V Operation

Modules run at the JEDEC-standard 1.8V with CL5 latency. No heat spreaders are fitted, so airflow in the case handles the modest thermal load of DDR2 667. Power draw stays within the base specification for this voltage and speed.

2GB Total Capacity in Matched Pair

The kit delivers 2GB across two matched 1GB sticks to enable dual-channel operation. This capacity is the deciding factor for systems limited to 1GB per slot or a 2GB maximum.

Istaknuto

  • Dual-channel kit doubles bandwidth for smoother multitasking
  • JEDEC-standard 1.8V operation keeps power draw low
  • CL5 latency at 667 MHz speeds up data access
  • 240-pin unbuffered DIMMs install in standard desktop slots
  • 100 % factory-tested modules deliver reliable long-term service

Specifikacije

BrandOWC
Part Number5U3D21R8002P
Capacity2GB (2 x 1GB)
SpeedDDR2 667 (PC2 5300)
CAS LatencyCL5
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

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How do I install the 240-pin DDR2 DIMMs and what step is often missed?

Power off the system, open the case, align each module's notch with the slot key, press firmly until both retention clips snap shut, then verify in BIOS that both 1GB sticks are detected at 667 MHz.

What maintenance or replacement will this DDR2 kit need later?

No routine maintenance is required; keep interior dust-free and ensure case airflow stays adequate. Replace only if a module fails or the system demands more than the 2GB total capacity.

What limit appears first when the DDR2 667 memory runs under sustained load?

The CL5 latency at 1.8V and the fixed 667 MHz data rate become the bottleneck before thermal issues arise, since the modules have no heat spreader.

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