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Lenovo ThinkPad X240

Dataset id: lenovo-thinkpad-x240

RAM coverage
high confidence · 91 reports
Storage coverage
high confidence · 248 reports
Battery coverage
high confidence · 90 reports

Lenovo ThinkPad X240: socketed memory observed in 91 field reports, 1 memory slot; SATA storage observed in 248 reports, with no NVMe drive in those reports; battery part 45N1775 reported.

RAM

Socketed memory observed in 91 field reports.

Memory slots: 1. 0% of reports for this model had at least one empty slot.

Memory type: DDR3. Observed memory speed: 1600 MT/s.

Largest observed configuration: 8 GB (73 reports).

Recorded maximum configuration: 8 GB, firmware-reported maximum (SMBIOS "Maximum Capacity", modal across 91 probes).

Based on 91 field reports, 100% agreement, high confidence.

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Storage

SATA storage observed in 248 field reports; no NVMe drive appeared in those reports.

NVMe observed in 0% of 248 reports (a rounded share of reports, not an exact drive count).

Drives observed in reports: HGST HTS725050A7 (12), INTEL SSDSC2BF18 (11), Samsung SSD 850 (11).

Installed capacities observed: 256 GB (15), 240 GB (11), 128 GB (11), 500 GB (10).

Curated physical specifications: not verified.

Based on 248 field reports, high confidence.

Battery

Rear battery

Battery part numbers observed: 45N1775 (24), 45N1127 (20), 45N1735 (9), 45N1767 (7).

Capacity observed: 23.2 Wh (26), 47.5 Wh (25), 23.5 Wh (18), 71.3 Wh (9).

Voltage observed: 10.8 V (10800 mV).

Chemistry observed: Li-ion.

Manufacturers observed: SANYO (48), LGC (32), SMP (4).

This slot appeared in 84 of 90 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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Front battery

Battery part numbers observed: 45N1773 (48), 45N1111 (22).

Capacity observed: 23.2 Wh (70).

Voltage observed: 11.1 V (11100 mV).

Chemistry observed: Li-ion.

Manufacturers observed: SANYO (48), SONY (22), Batt Manufacture (1).

This slot appeared in 71 of 90 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.