RamCity guarantees 100% that all modules below are compatible with the Dell Precision 390

We guarantee your memory upgrade will be 100% compatible, or return it within 30 days for a full refund.

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Comments:
Modules may be installed individually, but must be ordered and installed in pairs for Dual Channel Mode.

This system is configurable and can ship with either DDR2-533 (KTD-DM8400A/xx) or DDR2-667 (KTD-DM8400B/xx).

When mixing DDR2-533 and DDR2-667 modules, the system will default DDR2-533 speed.

If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).

A 64-bit Operating System is required to utilize more than 4GB of memory.

This system supports both ECC and non-ECC memory.

Mixing ECC and non-ECC modules is not recommended.

Standard Memory:
512MB (Removable) or
1GB (Removable)

Maximum Memory:
4GB with 32-bit Operating System
8GB with 64-bit Operating System

Expansion:
4 Sockets (2 banks of 2)

CPU/Chipset:
Intel Core 2 Duo Intel 975X
Intel Core 2 Extreme Intel 975X
Intel Pentium 4 Intel 975X

Upgrade Path:
Virtually any configuration up to 8GB can be reached using any combination of 512MB, 1GB, and 2GB modules IN PAIRS.

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