How much RAM does the Lenovo ThinkPad T420s + 45N6681 support?

The ThinkPad T420s + 45N6681 supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What storage drives fit the Lenovo ThinkPad T420s + 45N6681?

Compatible drive types: SATA 2.5" Hard Drive, SATA 2.5" SSD.

Guaranteed-compatible SSD and hard-drive upgrades for the Lenovo ThinkPad T420s + 45N6681, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the Lenovo ThinkPad T420s + 45N6681 — matched to its drive bays and slots.

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

Specifications reported for this system.

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Guaranteed-compatible SSD and hard-drive upgrades for the Lenovo ThinkPad T420s + 45N6681, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the Lenovo ThinkPad T420s + 45N6681 — matched to its drive bays and slots.

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

Specifications reported for this system.