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Lenovo ThinkPad X250

Dataset id: lenovo-thinkpad-x250

RAM coverage
high confidence · 118 reports
Storage coverage
high confidence · 247 reports
Battery coverage
high confidence · 117 reports

Lenovo ThinkPad X250: socketed memory observed in 118 field reports, 1 memory slot; SATA storage observed in 247 reports, with no NVMe drive in those reports; battery part 45N1127 reported.

RAM

Socketed memory observed in 118 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: 16 GB (12 reports).

Recorded maximum configuration: 16 GB, firmware-reported maximum (SMBIOS "Maximum Capacity", modal across 118 probes).

Based on 118 field reports, 97% agreement, high confidence.

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Storage

SATA storage observed in 247 field reports; no NVMe drive appeared in those reports.

NVMe observed in 0% of 247 reports (a rounded share of reports, not an exact drive count).

Drives observed in reports: SAMSUNG MZ7LN256 (21), ST500LM021-1KJ15 (11), KINGSTON SA400S3 (10).

Installed capacities observed: 256 GB (19), 500 GB (17), 240 GB (12), 512 GB (8).

Curated physical specifications: not verified.

Based on 247 field reports, high confidence.

Battery

Rear battery

Battery part numbers observed: 45N1127 (41), 45N1775 (29), 45N1767 (11), 45N1735 (9).

Capacity observed: 23.5 Wh (40), 23.2 Wh (29), 47.5 Wh (26), 71.3 Wh (7).

Voltage observed: 11.4 V (11400 mV).

Chemistry observed: Li-ion.

Manufacturers observed: SANYO (55), LGC (54), SMP (3).

This slot appeared in 112 of 117 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 (54), 45N1111 (22), 45N1113 (17).

Capacity observed: 23.2 Wh (76), 23.5 Wh (17).

Voltage observed: 11.1 V (11100 mV).

Chemistry observed: Li-ion.

Manufacturers observed: SANYO (54), SONY (22), LGC (17), Batt Manufacture (1).

This slot appeared in 94 of 117 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.