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Lenovo ThinkPad X201

Dataset id: lenovo-thinkpad-x201

RAM coverage
high confidence · 70 reports
Storage coverage
high confidence · 195 reports
Battery coverage
high confidence · 66 reports

Lenovo ThinkPad X201: socketed memory observed in 70 field reports, 2 memory slots; SATA storage observed in 195 reports, with no NVMe drive in those reports; battery part 42T4694 reported.

RAM

Socketed memory observed in 70 field reports.

Memory slots: 2. 10% of reports for this model had at least one empty slot.

Memory type: DDR3. Observed memory speed: 1334 MT/s.

Largest observed configuration: 8 GB (24 reports).

Recorded maximum configuration: 8 GB, firmware-reported maximum (SMBIOS "Maximum Capacity", modal across 70 probes).

Based on 70 field reports, 100% agreement, high confidence.

Storage

SATA storage observed in 195 field reports; no NVMe drive appeared in those reports.

NVMe observed in 0% of 195 reports (a rounded share of reports, not an exact drive count).

Drives observed in reports: ST9320423AS (10), SanDisk SDSSDA12 (8), KINGSTON SA400S3 (7).

Installed capacities observed: 120 GB (17), 500 GB (14), 1000 GB (8), 256 GB (4).

Curated physical specifications: not verified.

Based on 195 field reports, high confidence.

Battery

Battery

Battery part numbers observed: 42T4694 (10), 42T4696 (10), 42T4835 (10), 92P1137 (9).

Capacity observed: 84.2 Wh (9), 62.2 Wh (9), 86.6 Wh (8), 57.7 Wh (8).

Voltage observed: 10.8 V (10800 mV).

Chemistry observed: Li-ion.

Manufacturers observed: SANYO (45), Panasonic (11), LGC (6), JingYi (3).

This slot appeared in 66 of 66 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.

Sources

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