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Lenovo ThinkPad X220 Tablet

Dataset id: lenovo-thinkpad-x220-tablet

RAM coverage
high confidence · 32 reports
Storage coverage
high confidence · 89 reports
Battery coverage
high confidence · 29 reports

Lenovo ThinkPad X220 Tablet: socketed memory observed in 32 field reports, 2 memory slots; SATA storage observed in 89 reports, with no NVMe drive in those reports; battery part 42T4879 reported.

RAM

Socketed memory observed in 32 field reports.

Memory slots: 2. 19% of reports for this model had at least one empty slot.

Memory type: DDR3. Observed memory speed: 1333 MT/s.

Largest observed configuration: 16 GB (9 reports).

Recorded maximum configuration: 16 GB, firmware-reported maximum (SMBIOS "Maximum Capacity", modal across 32 probes).

Based on 32 field reports, 97% agreement, high confidence.

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Storage

SATA storage observed in 89 field reports; no NVMe drive appeared in those reports.

NVMe observed in 0% of 89 reports (a rounded share of reports, not an exact drive count).

Drives observed in reports: Samsung SSD 860 (12), KINGSTON SV300S3 (7), SanDisk SSD PLUS (6).

Installed capacities observed: 250 GB (5), 240 GB (5), 1000 GB (3), 480 GB (3).

Curated physical specifications: not verified.

Based on 89 field reports, high confidence.

Battery

Battery

Battery part numbers observed: 42T4879 (12), 45N1079 (7), 42T4881 (5), 42T4865 (2).

Capacity observed: 57.7 Wh (16), 63 Wh (4), 62.2 Wh (3), 62.6 Wh (2).

Voltage observed: 11.1 V (11100 mV).

Chemistry observed: Li-ion.

Manufacturers observed: SANYO (17), LGC (12).

This slot appeared in 29 of 29 reports for this model, 100% agreement, high confidence.

Other models reporting this part

Models reporting the same part number are listed as a factual cross-reference only: this is not a compatibility claim and not a guarantee that the part will work in another model — check the part number printed on your own battery before ordering.

Before you order, verify the replacement: match the exact part number printed on your current battery, and check voltage, connector, and dimensions before buying.
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Sources

Fields recorded directly from hardware (firmware/PCIe reports) are distinguished below from curated facts hand-verified against manufacturer documentation.