Lenovo ThinkPad X13 Gen 5 U5-125U/16GB/512GB SSD
PRODUCT DESCRIPTION
Lenovo ThinkPad X13 Gen 5 (Intel), Intel Core Ultra 5 125U, 16GB soldered LPDDR5X, 512GB SSD M.2 2280 (21LUS01V00-SC) — 3 Years Onsite, Singapore Local Warranty
Stock status. This exact part number is currently at zero inventory. It is still active while stock lasts, and we can offer a closely matching current-generation configuration on request.
About the ThinkPad X13 Gen 5 (Intel)
The ThinkPad X13 Gen 5 (Intel) is a Lenovo ThinkPad built to the range's usual Singapore-market brief: MIL-STD-810H tested, discrete TPM 2.0 hardware security, and Lenovo's ThinkPad keyboard and TrackPoint layout. This exact part number is a specific factory build; the full option matrix Lenovo publishes for the machine type is in the Chassis and Platform section below.
Where this configuration sits in the range
The ThinkPad X13 Gen 5 (Intel) runs on the ThinkPad X13 Gen 5, Intel Core Ultra Series 1 (Meteor Lake) platform. Lenovo classifies this machine type as an AI PC. Memory is soldered to the board with no slots, so it cannot be changed after purchase. One M.2 2280 slot, PCIe 4.0 x4, Opal 2.0; up to 2TB. It has no onboard Ethernet; wired networking uses a USB-C adapter or a dock.
Who this configuration suits
Fleet buyers who need this specific historically-stocked configuration for parts continuity, image compatibility or a like-for-like replacement. For fresh purchases we usually recommend the current generation of the same chassis line — ask us and we will quote both.
ThinkPad X13 Gen 5 (Intel) 21LUS01V00-SC — Full Specifications
This Configuration
The fields below come from the distributor build sheet for this exact part number. Lenovo's published chassis facts for the whole machine type follow underneath.
| Part number | 21LUS01V00-SC |
| Machine type | 21LU |
| Model | ThinkPad X13 Gen 5 (Intel) |
| Processor | Intel Core Ultra 5 125U (E-cores up to 3.6GHz, P-cores up to 4.3GHz) |
| Graphics | Integrated Intel Graphics |
| Memory | 16GB soldered LPDDR5X (build sheet: 7500 MT/s; Lenovo PSREF publishes 6400 MT/s for this machine type) |
| Storage | 512GB SSD M.2 2280 PCIe 4.0 x4 Performance TLC Opal |
| Display | 13.3in WUXGA (1920x1200) IPS antiglare, 300 nits, 60Hz (non-touch) |
| Camera | 5MP RGB + IR with dual microphone; fingerprint reader |
| Battery | 4-cell 54.7Wh |
| AC adapter | 65W USB-C (build sheet specifies a UK 3-pin plug); USB-C to RJ45 adapter included |
| Wireless | Intel Wi-Fi 6E AX211 (vPro) + Bluetooth 5.3 |
| Keyboard | Backlit, Magnesium, English (material token as printed on the build sheet; Lenovo publishes the X13 Gen 5 chassis as carbon-fibre top with aluminium bottom) |
| Operating system | Windows 11 Pro |
Chassis and Platform — Lenovo published specifications for machine type 21LU
| Machine type | 21LU (sibling 21LV) |
| Chassis | ThinkPad X13 Gen 5, Intel Core Ultra Series 1 (Meteor Lake) platform |
| Processor family | Intel Core Ultra 5 125H/125U/135U, Ultra 7 155H/155U/165U |
| Graphics options | Integrated Intel Graphics |
| AI PC category | AI PC |
| NPU | Intel AI Boost, up to 11 TOPS (12 TOPS on the 165U) |
| Memory topology | LPDDR5X-6400, soldered to the system board, no memory slots |
| Memory ceiling | up to 64GB; not upgradable after purchase |
| Storage | One M.2 2280 slot, PCIe 4.0 x4, Opal 2.0; up to 2TB |
| Display panels published | 13.3in WUXGA (1920x1200) IPS 300 nits or 400 nits; touch and non-touch |
| Wireless options | Intel Wi-Fi 6E AX211 or Wi-Fi 7 BE200; Bluetooth 5.3 |
| Battery | Integrated 41Wh or 54.7Wh, Rapid Charge |
| AC adapter | 45W or 65W USB-C |
| Audio | Stereo speakers Dolby Audio Premium; dual-microphone array with Dolby Voice |
| Security | Discrete TPM 2.0, FIPS 140-2; Kensington Nano Security Slot 2.5x6 mm |
| Chassis dimensions | 301.7 x 214.8 x 15.95 mm; starting at 1.12 kg; MIL-STD-810H tested |
| Lifecycle | Withdrawn from marketing by Lenovo (still active while stock lasts) |
Sources: Lenovo PSREF (book dated 6 May 2026).
Worth knowing about this configuration
Memory speed: the build sheet states LPDDR5X-7500; Lenovo PSREF publishes LPDDR5X-6400 for this machine type. Both are shown.
The store SKU 21LUS01V00 is shared with a second listing (the U7 / 32GB build); this blocks SKU-keyed bulk operations.
The build sheet specifies a UK 3-pin AC adapter on a Singapore storefront.
Why This Page Shows Two Specification Groups
The This Configuration block lists what the store title and the distributor build sheet assert for this exact part number: processor, memory, storage and the per-unit options. The Chassis and Platform block underneath quotes what Lenovo publishes for the whole machine type — the panels, ports, wireless cards, adapters and warranty terms the chassis is capable of — without claiming any single row was fitted to this particular unit.
Reading them side by side is how the storefront tells a part-specific fact apart from a chassis-wide capability. Where the two sources disagree, both are shown and attributed. If you need us to confirm a specific option on this exact part number, ask and we will check with the distributor.
Warranty and Service Cover
Every SourceIT unit is supplied with Singapore local warranty.
The distributor build sheet for this configuration documents a 3-year onsite service level. Lenovo's own base term for this machine type is shorter — Lenovo publishes a 3-year onsite option qualified (1-yr battery): the system is covered for three years, the battery for one.
Base warranty terms Lenovo publishes for the ThinkPad X13 Gen 5 (Intel):
- 1-year courier or carry-in service
- 1-year courier or carry-in with 2-year system board service (Korea only)
- 1-year limited onsite service
- 3-year (1-yr battery) courier or carry-in service
- 3-year (1-yr battery) limited onsite service
- No base warranty
PSREF does not enumerate Premier Support for this chassis; Premier Support and warranty upgrades come from separate Lenovo Services SKUs and are quoted on request. Register the serial number on Lenovo Support after purchase to activate Singapore-region cover.
Ports, Docking and Other Configurations We Stock
Ports on this chassis
- 2x USB-C Thunderbolt 4 / USB4 40Gbps
- 2x USB-A
- 1x HDMI 2.1, up to 4K/60Hz
- 3.5 mm headphone / microphone combo jack
- No onboard Ethernet RJ-45 (USB-C adapter or dock required)
- No SD or microSD reader
- Optional smart card reader
Docking is over the USB-C / Thunderbolt port. Lenovo ThinkPad USB-C and Thunderbolt docks work on this chassis.
Other configurations of this machine
This part number is at zero inventory. Ask us for a like-for-like quote on a closely matching current-generation configuration, or on another variant of the same machine type in the distributor channel.
Questions We Get Asked About This Machine
Is this an AI PC or a Copilot+ PC?
Lenovo classifies this machine type as an AI PC (Intel AI Boost, up to 11 TOPS (12 TOPS on the 165U)). It is not a Copilot+ PC — that classification needs a 40+ TOPS NPU, which this platform does not reach.
Can the memory be upgraded?
No. Memory is soldered to the system board with no slots, so the fitted capacity is fixed for the life of the machine. Choose the capacity you need at purchase.
Is the three-year cover real?
Yes — it is documented on the distributor build sheet for this configuration. See the Warranty and Service Cover section for exactly what Lenovo publishes as the base term versus the configured upgrade.
