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Green circuit board with black memory chips and gold edge connectors

OWC

OWC 4GB DDR3 1066 CL7 1.5V Non-ECC UDIMM desktop RAM

SKU CH-HG7K-2E6MY

A 4 GB DDR3 1066 CL7 non-ECC UDIMM running at 1.5 V for desktop upgrades

  • Capacity4GB
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 4GB

  • 4GB capacity expands multitasking headroom for everyday workloads
  • DDR3 1066 CL7 timing delivers responsive desktop performance
  • 5V JEDEC standard voltage ensures broad motherboard compatibility
  • 240-pin unbuffered non-ECC design fits standard desktop DIMM slots
  • Single-module 2Rx8 layout simplifies installation and future upgrades

4GB DDR3 1066 Desktop Module

This single 4GB DDR3 1066 module is built for desktop and workstation systems that accept 240-pin UDIMMs. It runs at PC3-8500 speed with CL7 latency and 1.5V operation. The non-ECC, unbuffered design suits standard consumer motherboards. OWC validates every stick to meet JEDEC and RoHS requirements.

Straightforward DIY Installation

Installation is a typical DIY task: power down, open the case, align the notch on the 240-pin edge connector, and press firmly until the retention clips click. The module has no heat spreader, so it fits tight slots without clearance issues. Common mistakes include mixing speeds or capacities across channels and forgetting to seat both clips fully.

Check Motherboard Compatibility First

Verify that your board supports DDR3 1066 (PC3-8500) at 1.5V in a 240-pin UDIMM slot. Confirm the maximum capacity per slot and the total number of slots available. Matching existing modules by speed, voltage, and rank helps avoid timing conflicts. Consult the motherboard manual or vendor QVL for approved configurations.

Points forts

  • 4GB capacity expands multitasking headroom for everyday workloads
  • DDR3 1066 CL7 timing delivers responsive desktop performance
  • 5V JEDEC standard voltage ensures broad motherboard compatibility
  • 240-pin unbuffered non-ECC design fits standard desktop DIMM slots
  • Single-module 2Rx8 layout simplifies installation and future upgrades

Caractéristiques

BrandOWC
Part Number8U5D32R804GB
Capacity4GB
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

How can I confirm the module is running at DDR3 1066 CL7 after I install it?

Check the memory tab in CPU-Z or the BIOS SPD readout; it should show 1066 MHz and CL7 timings at 1.5 V.

What comes in the package and do I need anything else to install this 240-pin UDIMM?

The box contains one 4 GB DDR3 1066 CL7 1.5 V non-ECC UDIMM; no extra cables or tools are required, just a compatible desktop DIMM slot.

Which capacity should I choose if I want a single stick that matches the listed 4 GB specification?

Select the 4 GB version identified by part number 8U5D32R804GB; it is the only capacity described in the supplied data.

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