How much RAM does the Apple PowerBook G3 400 (Firewire) support?

The PowerBook G3 400 (Firewire) supports up to 1GB of memory across 2 slot(s), up to 0.5GB per slot.

What type of memory does the PowerBook G3 400 (Firewire) use?

It uses SDRAM SODIMM memory modules.

Guaranteed-compatible SDRAM SODIMM upgrades for the Apple PowerBook G3 400 (Firewire), in matched-kit options that fill your slots.

This option is out of stock.

Specifications reported for this system.

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

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Guaranteed-compatible SDRAM SODIMM upgrades for the Apple PowerBook G3 400 (Firewire), in matched-kit options that fill your slots.

This option is out of stock.

Specifications reported for this system.

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.