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OWC 1GB DDR2 667 PC2-5300 CL5 1Rx8 240-pin 1.8V Non-ECC UDIMM Memory RAM Module Upgrade for Select Desktops
- OWC 1GB UPGRADE: Consists of a single 1GB DDR2 667 PC2-5300 CL5 1Rx8 240-pin 1.8V Non-ECC Unbuffered DIMM Memory RAM Module Upgrade for Select Desktops.
- 100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
- INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost your PC's Performance.
- INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
- EASY INSTALLATION: In Most Cases, Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for Help.
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Overview
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OWC DDR2 memory is Fully compliant with JEDEC specifications, ROHS compliant, providing a warranty safe upgrade. OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential and speed up overall responsiveness. Become a multitasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time. We test every OWC memory module at our in house lab so you can upgrade with the confidence that your memory is built to last.
We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service. OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.
We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service. OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 60 days
- This item is covered by OWC Return Policy
Manufacturer Contact Info
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The OWC 5U3D21R801GB is a single 1GB DDR2 667 (PC2-5300) desktop memory module for users upgrading a compatible desktop that supports 240-pin, 1.8V, non-ECC unbuffered UDIMMs.
Recommended For
- Owners of a compatible DDR2 desktop who need a like-for-like 1GB DIMM replacement to restore a system that has a failed or missing memory module.
- People maintaining an older desktop for lightweight tasks or older software, when its motherboard specifically supports 240-pin DDR2-667 unbuffered memory and a 1GB module.
- Retro-computing hobbyists restoring a DDR2-era desktop who want a single 1GB stick for a compatible build or replacement.
Real-World Use Scenarios
- On a compatible older desktop that is short on memory, adding this module can reduce slowdowns caused by the system running out of RAM during everyday tasks; the benefit depends on the computer’s current memory use and total supported capacity.
- When switching among several lightweight applications on a memory-limited legacy PC, the extra RAM may help reduce pauses and make toggling between programs feel less constrained.
- For refurbishing or keeping a DDR2-era desktop in service for older software, this stick can add memory if the system has a compatible DIMM slot and supports the module’s capacity and configuration.
- If a compatible older desktop has a failed or missing memory module, this can serve as a replacement to restore operation or bring the system back to its previous memory configuration.
















