How much RAM does the Sony VAIO VPCJ21L0E support?

The VAIO VPCJ21L0E supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What type of memory does the VAIO VPCJ21L0E use?

It uses DDR3 DIMM memory modules.

Guaranteed-compatible DDR3 DIMM upgrades for the Sony VAIO VPCJ21L0E, 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 DDR3 DIMM upgrades for the Sony VAIO VPCJ21L0E, 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.