Lenovo ThinkPad X1 Extreme Gen 5 (Intel) 16" Laptop
PRODUCT DESCRIPTION
Lenovo ThinkPad X1 Extreme Gen 5, Intel Core i-series (Alder Lake H), RAM as titled, M.2 2280 NVMe SSD as titled (21DE004ASG) — 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 X1 Extreme Gen 5
The ThinkPad X1 Extreme Gen 5 is a Lenovo ThinkPad chassis built to the range's usual Singapore-market brief: MIL-STD-810H tested, discrete TPM 2.0, 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 X1 Extreme Gen 5 is a 16 inch mobile workstation. Lenovo publishes 12th Gen Intel Core H CPUs (i7 or i9) paired with an NVIDIA RTX 3050 Ti, 3060, 3070 Ti or 3080 Ti GPU, two DDR5 SO-DIMM slots (up to 64GB), and a 90Wh battery. Discrete-GPU variants ship with a 170W or 230W slim-tip adapter.
Who this configuration suits
Fleet buyers who need a 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 for the equivalent and we will quote both.
ThinkPad X1 Extreme Gen 5 21DE004ASG — Full Specifications
This Configuration
Only the fields named in the store title above are asserted for this part number. The distributor build-sheet block that shipped on the earlier version of this page described a different Lenovo machine (identifying the wrong model, chassis and platform) and has been discarded. Everything else the reader wants comes from Lenovo's published chassis facts below.
| Part number | 21DE004ASG |
| Machine type | 21DE |
| Model | ThinkPad X1 Extreme Gen 5 |
| Processor | Intel Core i-series (Alder Lake H) |
| Memory | RAM as titled |
| Storage | M.2 2280 NVMe SSD as titled |
Chassis and Platform — Lenovo published specifications for machine type 21DE
| Machine type | 21DE (sibling 21DF) |
| Chassis | ThinkPad X1 Extreme Gen 5, 16 inch mobile workstation |
| Processor family | 12th Gen Intel Core i7 / i9 — i7-12700H, i7-12800H, i9-12900H |
| Graphics options | NVIDIA GeForce RTX 3050 Ti (4GB); RTX 3060 (6GB); RTX 3070 Ti (8GB); RTX 3080 Ti (16GB) — all GDDR6 |
| Memory topology | Two DDR5 SO-DIMM slots, dual-channel capable |
| Memory ceiling | Up to 64GB DDR5-4800 |
| Storage | RTX 3050 Ti: up to two M.2 drives; RTX 3060 / 3070 Ti / 3080 Ti: one M.2 2280 drive; PCIe 4.0 x4 NVMe, Opal 2.0; up to 4TB |
| Display panels published | WUXGA (1920x1200) IPS 300 nits anti-glare 60Hz; WQXGA (2560x1600) IPS 500 nits anti-glare 165Hz; WQUXGA (3840x2400) IPS 600 nits anti-glare 60Hz; WQUXGA multitouch IPS 600 nits anti-reflection / anti-smudge 60Hz |
| Wireless options | Intel Wi-Fi 6E AX211 + Bluetooth 5.1 |
| WWAN options | Fibocom FM350-GL 5G Sub-6 GHz with eSIM (RTX 3050 Ti only); or No support |
| Battery | Integrated Li-Polymer 90Wh |
| AC adapter | 170W slim tip 3-pin (RTX 3050 Ti); 230W slim tip 3-pin (RTX 3060 / 3070 Ti / 3080 Ti) |
| Audio | Stereo speakers 2Wx2 Dolby Atmos; dual-microphone array far-field Dolby Voice |
| Security | Discrete TPM 2.0 TCG / FIPS 140-2; Kensington Nano Security Slot 2.5x6 mm; FHD 1080p + IR hybrid camera with privacy shutter; Touch fingerprint reader in power button |
| Chassis dimensions | 359.5 x 253.8 x 17.9 mm; starting at 1.88 kg; carbon fiber top / aluminium bottom |
| MIL-STD | MIL-STD-810H military test passed |
| Copilot / AI PC | Not stated — pre-AI-PC generation |
Why This Page Shows Two Specification Groups
The This Configuration block above lists only what the store title asserts for this exact part number: processor, memory and storage. Anything more granular — exact panel, adapter, wireless card — is not asserted here because the distributor build-sheet copy that used to sit in this slot named a different Lenovo machine and could not be trusted for detail.
The Chassis and Platform block underneath quotes what Lenovo publishes for the whole machine type. It tells you what the chassis is capable of — the panels, ports, wireless cards, adapters and warranty terms that Lenovo enumerates — 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. If you need us to confirm a specific option is fitted to 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. Lenovo publishes a 3-year onsite base term for this machine type, qualified as (1-yr battery) — the system is covered for three years, the battery for one.
Base warranty terms Lenovo publishes for ThinkPad X1 Extreme Gen 5 (21DE):
- 1-year courier or carry-in service
- 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
The 3-year onsite base term carries Lenovo's own (1-yr battery) qualifier verbatim: system three years, battery one. This is the standard PSREF wording for this generation of ThinkPad.
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 the Singapore-region base cover.
Ports, Docking and Other Configurations We Stock
Ports on this chassis
- 2x Thunderbolt 4 / USB4 40Gbps
- 1x USB 3.2 Gen 1 (Type-A)
- 1x USB 3.2 Gen 1 Always On (Type-A)
- 1x HDMI 2.1, up to 8K/60Hz
- 1x SD Express 7.0 card reader (full-size SD)
- 1x 3.5 mm headphone / microphone combo jack
- No onboard Ethernet RJ-45; no smart card reader
Docking is via either Thunderbolt 4 / USB4 port. Note that the discrete-GPU variants ship with 170W or 230W slim-tip adapters, not standard USB-C power delivery — for maximum GPU performance use the supplied slim-tip adapter, not a USB-C dock.
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 a different variant of the same machine type if any remain in the distributor channel.
Questions We Get Asked About This Machine
Is this a Copilot+ PC or AI PC?
No. This machine type predates Lenovo's AI PC and Copilot+ PC classifications. Lenovo's PSREF book for this chassis does not publish an AI PC category field or an NPU TOPS figure.
Is the 3-year onsite base term real?
Yes. Lenovo publishes a 3-year (1-yr battery) limited onsite service option as one of the base warranty terms for this machine type. The battery is covered for one year under that term; the system is covered for three. See the Warranty and Service Cover accordion.
Is this the current generation?
No. This part number is at zero inventory and the chassis is past its launch generation. Ask us for a closely matching current-generation configuration.






