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Green rectangular circuit board with 240 gold pins and black memory chips, no heat spreader

OWC

OWC 2GB DDR3 1066 PC3-8500 CL7 1Rx8 240-pin 1.5V Non-ECC UDIMM for Dell OptiPlex 780

SKU CH-11H7-7JZJ8

2GB DDR3 1066MHz CL7 UDIMM upgrades Dell OptiPlex 780 desktops and towers

  • Capacity2GB
  • Type240-Pin DDR3 Non-ECC UDIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCNo
  • Boost performance with a 2GB DDR3 1066 PC3-8500 upgrade
  • CL7 latency and 1.5V voltage for stable operation
  • 240-pin unbuffered non-ECC UDIMM fits OptiPlex 780 Desktop SFF Tower
  • JEDEC and RoHS compliant for warranty-safe installation
  • Single 1Rx8 module enables simple DIY memory expansion

Single-module upgrade for OptiPlex 780

This 2GB DDR3 1066 PC3-8500 CL7 240-pin UDIMM is built for Dell OptiPlex 780 Desktop, SFF and Tower systems. It runs at 1.5V with CL7 latency and a 1Rx8 unbuffered layout. The module adds capacity to compatible desktops without requiring ECC or registered memory support.

Replaces factory memory or fills empty slots

Upgrading from a lower-capacity stick or adding this module to a free slot increases the total memory available to the operating system. The jump is worth it when the current configuration leaves headroom below the platform maximum and daily workloads show memory pressure.

Tool-free installation with slot alignment

The 240-pin DIMM seats in the standard desktop memory socket after opening the chassis. Align the notch with the key in the slot and press evenly until the retention clips click. The most common issue is inserting the module backwards or not pressing firmly enough to engage both clips.

Points forts

  • Boost performance with a 2GB DDR3 1066 PC3-8500 upgrade
  • CL7 latency and 1.5V voltage for stable operation
  • 240-pin unbuffered non-ECC UDIMM fits OptiPlex 780 Desktop SFF Tower
  • JEDEC and RoHS compliant for warranty-safe installation
  • Single 1Rx8 module enables simple DIY memory expansion

Caractéristiques

BrandOWC
Part Number8U5D31R802GB
Capacity2GB
Type240-Pin DDR3 Non-ECC UDIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemDell OptiPlex 780 Desktop
Dell OptiPlex 780 SFF
Dell OptiPlex 780 Tower

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Questions sur cet article

Will this 240-pin DDR3 module fit the DIMM slots in a Dell OptiPlex 780 SFF?

Yes, the 240-pin DDR3 UDIMM form factor matches the desktop DIMM slots used in the OptiPlex 780 SFF, Desktop and Tower models.

What is the correct way to seat the module so the retention clips engage?

Align the notch on the module's gold edge with the key in the slot, press down firmly until both side clips click into the notches on the PCB.

Does the 1.5V DDR3 memory require any periodic cleaning or replacement?

No scheduled maintenance is needed; the module has no moving parts and is rated for continuous operation at 1.5V.

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