OWC 4GB (2x2GB) DDR2 800 PC2-6400 CL6 1.8V UDIMM Desktop RAM
- 4GB (2 x 2GB)
- DDR2 800 (PC2 6400)
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OWC
Four 2 GB DDR2 800 modules run at CL6 latency and 1.8 V for a straightforward desktop upgrade
Capacity 8GB (4 x 2GB)
This OWC kit supplies 8 GB of DDR2 memory in four 2 GB unbuffered UDIMM modules. It is intended for desktop systems that accept 240-pin DDR2 DIMMs running at 1.8 V. The modules carry no heat spreader and have no LED lighting.
Four modules populate four slots for a total of 8 GB, which suits older workstations and legacy Macs that support dual-channel DDR2 800 operation. Performance scales with the number of populated channels; once all slots are filled the platform cannot accept more memory without replacing modules.
The decisive figure is the DDR2 800 speed rating with CL6 latency at 1.8 V, matching the JEDEC PC2-6400 standard. A system that requires a different DDR generation, voltage, or latency will not run these modules correctly.
| Brand | OWC |
|---|---|
| Part Number | 6U4D22R8008S |
| Capacity | 8GB (4 x 2GB) |
| Speed | DDR2 800 (PC2 6400) |
| CAS Latency | CL6 |
| Voltage | 1.8V |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Multi-channel Kit | Dual Channel Kit |
| Color | Black |
| Heat Spreader | No |
| Recommend Use | Desktops |
| LED Color | None |
Other versions of this model
Same family, different memory, cooler or clock — compare before you commit.
Yes, each stick is a 1.8 V 240-pin PC2-6400 CL6 module, so it matches the voltage and pin-out of standard DDR2 800 memory already in your desktop.
Open the BIOS or a tool such as CPU-Z and verify the memory frequency reads 400 MHz (DDR2 800) with CL6 timings.
The box contains four 2 GB 2Rx8 unbuffered non-ECC DDR2 DIMMs; no heat spreaders, cables or additional parts are included or required.
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