ThinkPad X Series Upgrade Guide — What’s Upgradeable on the X1 Carbon, Yoga & Nano

ThinkPad X Series Upgrade Guide: What’s Upgradeable?

The Lenovo ThinkPad X Series is Lenovo’s premium ultrabook line — thin, light, and built for business travel. But here’s the catch: most X Series models have soldered RAM and highly integrated designs that severely limit upgrades. Unlike older ThinkPads, you’re not getting a fully modular machine.

This guide breaks down exactly what you can upgrade on each X Series model (2022 onwards). Spoiler: the answer varies wildly depending on which model you own. The X1 Carbon? Soldered everything except the SSD. The X1 Extreme? A different story entirely.

Quick Reference: Upgradeability by Model

X1 Carbon (Gen 10–12): The Soldered Ultrabook

The X1 Carbon is Lenovo’s flagship: 13.4-inch FHD or OLED display, magnesium chassis, starts at under 2.5 kg. It’s incredibly thin. And that thinness comes at a cost: RAM is permanently soldered to the motherboard.

Upgradeability Summary

What you CAN upgrade:

• SSD: Yes — 1× M.2 2280 Gen4 slot. Easy 5-minute swap.
• Charger: Yes — 45W USB-C (or any 45W+ USB-C charger works).
• Docking / USB-C Hub: Yes — Thunderbolt 4 port supports any TB4 dock.

What you CANNOT upgrade:

• RAM: Soldered to the motherboard. You cannot upgrade it after purchase. Period.
• CPU: Soldered. Not upgradeable.
• GPU: Integrated Intel Iris Xe only.

RAM by Generation

If you’re buying a used X1 Carbon, buy the spec you need on day one. You cannot add RAM later.

Bottom line: If you own a Gen 10 and need more RAM, you can’t get it. Resell and buy a Gen 11/12 with the spec you need.

SSD Upgrades

All X1 Carbon models (Gen 10–12) use a single M.2 2280 Gen4 slot. This is upgradeable.

Compatible SSDs:

• Samsung 980 PRO / 870 EVO
• Crucial P5 Plus / P3 Plus
• WD Black SN850X
• Kingston Fury Beast

Any modern NVMe M.2 2280 Gen3 or Gen4 drive will work. Expect read speeds of 3,500–7,000 MB/s. Price range: £40–£150 depending on capacity (256GB–2TB).

Browse M.2 2280 NVMe SSDs on Amazon

X1 Yoga (Gen 10–12): Soldered, Same as Carbon

The X1 Yoga is the 2-in-1 version of the X1 Carbon — it folds back into tent mode, has a touchscreen, and weighs slightly more (around 2.9 kg). Upgradeability is identical to the X1 Carbon: soldered RAM, one M.2 2280 SSD slot, Thunderbolt 4, 45W USB-C charging.

Key difference: The X1 Yoga’s OLED display is a premium option (adds 10mm thickness and weight). If you’re upgrading the SSD, you’ll benefit more from the faster storage on the touchscreen model.

Same recommendation applies: buy the RAM spec you need at purchase. You cannot upgrade RAM after.

X1 Nano: Ultra-Lightweight, but Use 2230 SSDs

The X1 Nano is the lightest X Series model — just 900g, 16.0-inch display in a passport-sized frame. It’s for true road warriors who live out of a backpack.

Critical upgradeability note: The X1 Nano uses M.2 2230 SSDs, not the standard 2280 size. This is smaller and rarer.

What You Can Upgrade

• SSD: Yes, but must be M.2 2230 form factor (not 2280). Very limited aftermarket options.
• RAM: Soldered. Not upgradeable.
• Charger: Yes — 45W USB-C.

M.2 2230 SSD Options

2230 drives are less common. Common options:

• Samsung 990 EVO (2230 variant) — rare, harder to find
• WD Black SN850X (2230)
• Sabrent Rocket NVMe 2230
• Kingston KC3000 (2230)

Expect to pay a premium for 2230 drives — they’re not as mass-produced as 2280. Budget £80–£200 for a 512GB–1TB 2230 NVMe drive.

Search for M.2 2230 SSDs on Amazon

Warning: Do NOT buy a 2280 drive by mistake. It will not fit. Always double-check the model number before ordering.

X13 (Gen 3–4): Variable Upgradeability

The X13 is a 13.3-inch mid-range ultrabook. Unlike the X1 Carbon, upgradeability varies significantly by generation and processor type.

X13 Gen 3–4 Intel Models

Key difference from Carbon: Some Intel X13 models have SO-DIMM slots, meaning upgradeable RAM.

Critical: Check your specific model. If you bought a bargain-basement X13 Gen 3/4, it might have soldered RAM. Open the device or check the service manual before planning an upgrade.

X13 Gen 3–4 AMD Models

AMD-based X13 models use soldered LPDDR5 RAM across the board — similar to the X1 Carbon.

AMD X13 users: buy the RAM you need at purchase. You cannot upgrade RAM later.

X1 Extreme / P1: The Fully Upgradeable Exception

Here’s where things change dramatically. The X1 Extreme Gen 5–6 and P1 Gen 6 are workstation-class laptops designed for engineers, data scientists, and video editors. Unlike the rest of the X Series, they are fully upgradeable.

Specs & Upgradeability

If you need true upgradeability, the X1 Extreme or P1 is your only choice within the X Series. Yes, they’re heavier (~1.8 kg) and more expensive (£2,000–£4,500), but you get upgradeable RAM, dual SSDs, and discrete graphics.

Recommended RAM Upgrades

Standard X1 Extreme Gen 5–6 and P1 Gen 6 models ship with 16GB or 32GB. You can upgrade to 48GB or 96GB using DDR5 SO-DIMM modules:

• Corsair Vengeance DDR5 SO-DIMM 5600MHz (48GB: £300–350)
• Kingston Fury Beast DDR5 SO-DIMM 5600MHz (48GB: £250–300)
• Crucial Pro DDR5 SO-DIMM 5600MHz (48GB: £280–320)

Browse DDR5 SO-DIMM RAM on Amazon

Recommended SSD Upgrades

Both M.2 2280 Gen4 slots are upgrade-friendly. Popular options:

• Samsung 990 PRO 4TB (£400–500)
• WD Black SN850X 4TB (£350–450)
• Crucial P5 Plus 2TB (£150–200)

Browse high-capacity M.2 Gen4 SSDs on Amazon

What You CAN Upgrade Across All X Series Models

1. SSD / Storage

All X Series models allow SSD upgrades. The only caveat: X1 Nano uses M.2 2230 (not 2280), and standard X Series models have only 1 slot. The X1 Extreme and some X13 variants have 2 slots.

Typical upgrade path: 512GB stock → 1TB or 2TB aftermarket. Cost: £50–150 depending on brand and capacity.

2. Chargers & Power Adapters

All X Series models use USB-C charging. This means you can use any compatible USB-C power delivery (PD) charger:

• X1 Carbon, Yoga, Nano, X13: 45W USB-C. Any 45W+ USB-C PD charger works. You can even use 65W or 100W chargers (they’ll charge the same speed).
• X1 Extreme, P1: 135W USB-C. Requires a dedicated 135W Lenovo charger or third-party equivalent.

This is a major advantage over older ThinkPads with proprietary connectors. You can use laptop chargers from other brands (Dell, HP, Asus, etc.) as long as the wattage is sufficient.

Browse USB-C PD Chargers on Amazon

3. External Docks & USB-C Hubs

X1 Carbon, Yoga, X13: Thunderbolt 4 port. Compatible with any TB4 dock or TB4/USB-C hub.

X1 Extreme, P1: Also Thunderbolt 4. Full dock support.

Popular dock options:

• CalDigit TS4 Thunderbolt 4 Dock (£449)
• Lenovo ThinkPad Thunderbolt 4 Dock (£199–299)
• Anker 565 USB-C Hub (budget option, £80–120)

Browse Thunderbolt 4 Docks on Amazon

What You CANNOT Upgrade

For 99% of X Series users (everyone except X1 Extreme / P1 owners), these components are permanently integrated:

• RAM: Soldered LPDDR5(x) — permanent. Not upgradeable.
• CPU: Soldered to motherboard — not upgradeable.
• GPU: Integrated Intel Iris Xe (Intel models) or Radeon (AMD models) — not upgradeable. X1 Extreme has discrete NVIDIA, which is also not user-replaceable.
• Display: Non-upgradeable. Sealed into the chassis.
• Motherboard: Proprietary design. Not field-replaceable.
• Battery: Integrated, soldered. Service replacement only via Lenovo.

This is the trade-off for the X Series: thinness and weight in exchange for repairability. Accept this going in.

Upgrading X Series: Step-by-Step for SSD Replacement

If you’re upgrading the SSD on an X1 Carbon, X1 Yoga, X13, or X1 Nano, follow these steps:

1. Power off completely and unplug the laptop.
2. Remove the bottom panel. Usually 6–10 Phillips screws. Keep them in a small container.
3. Locate the M.2 slot. It’s usually near the bottom-left of the motherboard. You’ll see a small brass standoff and a 30-degree angled slot.
4. Gently insert the new SSD at a 30-degree angle into the M.2 slot. Push down firmly until you hear a click (it will be held at an angle).
5. Secure the SSD with the screw that was in the standoff. Tighten lightly — don’t over-torque.
6. Replace the bottom panel and power on.
7. Check BIOS (F1 on startup) to confirm the SSD is detected.
8. Windows will detect the new drive automatically. Format it if needed.

Total time: 10–15 minutes. Risk: Low if you’re careful with electrostatic discharge (wear a wrist strap or touch the metal frame frequently).

For RAM upgrades on X13 Intel or X1 Extreme / P1, the process is similar but requires removing the keyboard and more disassembly. Consider professional installation if you’re uncomfortable opening your laptop.

Frequently Asked Questions

Can I upgrade RAM on an X1 Carbon?

No. All X1 Carbon models (Gen 10–12) have soldered RAM. You cannot upgrade or replace RAM after purchase. If you need more RAM, you must buy a new laptop or choose the X1 Extreme instead.

What’s the maximum SSD size I can use in an X1 Carbon?

Any M.2 2280 NVMe drive works, so up to 8TB or beyond. However, the largest practical size is 2TB (cost-effective) or 4TB (high-end). The single M.2 slot is your only storage expansion option.

Is the X1 Extreme worth it for upgradeability?

Yes, if you need upgradeable RAM and dual SSDs. The X1 Extreme is £1,500+ more than an X1 Carbon, but you get 2× SO-DIMM DDR5 slots, 2× M.2 2280 slots, 135W charging, and discrete NVIDIA graphics. It’s heavier (~1.8 kg) and thicker, but upgradeability is exceptional. If you plan to keep the laptop 4+ years and may need more RAM or storage later, the X1 Extreme pays for itself in flexibility.

Can I use a 2280 SSD in an X1 Nano?

No. X1 Nano uses M.2 2230 SSDs — they’re 10mm shorter. A 2280 will not fit. Always verify the form factor before ordering. This is the single biggest gotcha on X1 Nano upgrades.

What charger works with X1 Carbon and X13?

Any USB-C Power Delivery (PD) charger rated 45W or higher. Lenovo’s 45W USB-C charger is the OEM standard, but you can use Dell, HP, Asus, or Anker USB-C PD chargers. The laptop will negotiate power and charge safely. Do NOT use a charger below 20W — it may charge very slowly or not at all.

Do X13 Intel and X13 AMD have the same upgrade options?

No. X13 Intel models (Gen 3–4) may have SO-DIMM slots for upgradeable RAM. X13 AMD models have soldered LPDDR5 RAM. Both have M.2 SSD slots. Check your specific model number or service manual to determine if your X13 has upgradeable RAM.

Where to Buy Upgrades

Shop ThinkPad Upgrades on Amazon

For more on Lenovo laptop upgrades, see our Lenovo Laptop Upgrades Hub.

Recommended Products

These are the products we recommend based on this guide. All links go to Amazon where you can check current prices and availability.

Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.

Related Lenovo Upgrade Guides

• Lenovo Battery Replacement: ThinkPad, IdeaPad & Legion Step-by-Step
• Best RAM for Lenovo ThinkPad in 2026
• Lenovo ThinkSystem SR665 V3 RAM & SSD Upgrade Guide (2023)
• Lenovo ThinkSystem SR665 RAM & SSD Upgrade Guide (2020)
• Lenovo ThinkSystem SR645 RAM & SSD Upgrade Guide (2020)
• Lenovo Upgrade Guide

Not sure what fits? Use our free Compatibility Checker covering 3,195+ models.

Helpful Guides

• RAM Compatibility Guide
• SSD Compatibility Guide
• Troubleshooting Guide

Related Resources

• Laptop Upgrade Compatibility Checker — Check RAM, SSD & charger compatibility for 3,195+ models
• RAM Compatibility Guide — DDR4, DDR5 & LPDDR5 explained
• SSD Compatibility Guide — NVMe, SATA & M.2 sizes
• Charger Compatibility Guide — USB-C, Power Delivery & GaN
• Docking Station Compatibility Guide — Thunderbolt, USB-C & DisplayLink

Popular Brand Upgrade Guides

• Dell Laptop Upgrades
• Lenovo Laptop Upgrades
• HP Laptop Upgrades
• ASUS Laptop Upgrades
• Acer Laptop Upgrades
• MSI Laptop Upgrades