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Upgrading the ThinkPad T470: RAM, NVMe, Wi-Fi 6, and a Fresh Coat of Thermal Paste

The underside of a Lenovo ThinkPad T470 with the bottom cover removed, showing the RAM slots, M.2 storage bay, and battery.
analysis

A practical upgrade guide for the ThinkPad T470: how far you can push RAM past Lenovo's 32GB limit, which storage slot takes NVMe, Wi-Fi 6 compatibility, and thermal repasting.

christophe

— 5 min read

Lenovo's official spec sheet for the ThinkPad T470 caps memory at 32GB. That limit was published before 32GB laptop modules existed, and Lenovo never updated the documentation. In reality, the hardware supports 64GB of RAM, accepts fast NVMe storage, and runs Wi-Fi 6 cards without BIOS whitelist friction. Every key component is accessible with a standard Phillips screwdriver.

Whether you already own a T470 or are shopping for a durable Linux laptop to customize, here is how far you can push each slot, what parts to buy, and why thermal repasting is no longer optional.

RAM: trust 32GB, but 64GB is real

The T470 features two standard DDR4 SO-DIMM slots. Lenovo's platform specifications list a maximum of 32GB using two 16GB modules. That remains the officially validated configuration if you want guaranteed compatibility with zero edge cases.

However, memory vendors explicitly certify the T470 for 64GB using two 32GB DDR4-2400 SO-DIMM modules. Users have operated 64GB configurations on stock Lenovo BIOS versions since 2021 without firmware modifications. The higher ceiling works because 32GB DDR4 SO-DIMMs, released after the T470 launched, match the electrical requirements of the processor's integrated memory controller. For running multiple virtual machines, heavy container stacks, or large development environments, 64GB is a documented, low-risk upgrade.

Storage: two distinct M.2 slots

The T470 provides two storage locations, but they use different interfaces and physical form factors.

The main drive bay accommodates either a 2.5-inch SATA drive or an M.2 2280 SSD, depending on the internal adapter fitted. When equipped with Lenovo's M.2 caddy and cable adapter, this primary bay supports PCIe NVMe drives at full speeds. While some factory configurations shipped with SATA-only adapters, the motherboard interface itself supports NVMe. There is no BIOS whitelist restricting storage drives, allowing standard third-party NVMe SSDs from Samsung, Western Digital, or Crucial to function without error.

The secondary slot sits in the M.2 WWAN card position. This slot accepts only M.2 2242 SATA SSDs operating at SATA III speeds. It does not support NVMe protocol drives, even if an M.2 2242 NVMe card physically fits the keying. Use this slot exclusively for a secondary SATA SSD, and verify both the interface (SATA) and length (2242) before purchasing.

Wi-Fi 6: a clean swap without BIOS whitelists

Older ThinkPad generations enforced strict BIOS whitelists that rejected non-Lenovo wireless cards at boot. The T470 does not enforce a restrictive wireless whitelist.

Replacing the original Intel AC 8265 card with an Intel AX200 M.2 2230 card provides Wi-Fi 6 (802.11ax) support. The swap requires removing the bottom cover, disconnecting the two antenna leads, replacing the module, and booting into Linux or Windows with standard Intel drivers. The newer Intel AX210 (Wi-Fi 6E) card uses the same form factor and interface, but verified T470 installation reports remain sparse; the AX200 is the confirmed choice.

Thermal repasting: mandatory maintenance

The ThinkPad T470 launched in 2017. Factory thermal paste degrades over three to six years of thermal cycling. On a used or refurbished T470, the original compound is nearly a decade old, dried out, and unable to transfer heat efficiently to the copper heatpipe assembly.

Repasting the T470 is straightforward and requires no motherboard removal:

  1. Power off the system, remove the external battery, and disable the internal battery in the BIOS setup utility (or disconnect it after opening).
  2. Remove the bottom enclosure screws and carefully release the retaining clips around the edges with a plastic spudger.
  3. Loosen the captive numbered heatsink screws in reverse order (4, 3, 2, 1) and lift out the fan and heatpipe assembly.
  4. Clean hardened thermal paste from the CPU die and copper heatsink contact plate using 90 percent or higher isopropyl alcohol and a lint-free cloth.
  5. Apply a small pea-sized dot of modern thermal compound (such as Noctua NT-H1 or Arctic MX-4), re-seat the cooler, and tighten the captive screws in numbered sequence.

Fresh paste significantly improves sustained CPU clock speeds under load and keeps fan noise minimal during daily tasks.

Shopping list for T470 upgrades

When sourcing components for a complete T470 refresh, look for these specific specifications:

  • RAM: Two 32GB DDR4-2400 (or DDR4-2666, running at 2400) SO-DIMM modules for 64GB total, or two 16GB modules for 32GB.
  • Primary Storage: One M.2 2280 NVMe PCIe SSD (plus Lenovo M.2 caddy FRU 01AX994 and cable FRU 00UR496 if upgrading from a 2.5-inch SATA drive).
  • Secondary Storage: One M.2 2242 SATA III SSD (optional, for WWAN slot only).
  • Wireless: Intel AX200 M.2 2230 Wi-Fi 6 card.
  • Maintenance: Isopropyl alcohol wipes, high-viscosity thermal paste, #0 Phillips screwdriver, and plastic opening tool.

What to buy and where it fits

As an Amazon Associate, House of Agile earns from qualifying purchases. Prices and availability change, so check the current listing before buying.

These searches match the shopping list above. Check every listing against the exact spec, above all the form factor (2280 vs 2242) and interface (NVMe vs SATA) for storage.

  • 32GB DDR4-2400 SO-DIMM modules (RAM). Best for: Taking the T470 to 64GB with two modules for virtual machines and container stacks. In short: laptop SO-DIMM, DDR4-2400, or DDR4-2666 running at 2400. Watch out: 32GB (two 16GB modules) remains the officially validated configuration. Compare options on Amazon
  • M.2 2280 NVMe SSD (Primary storage). Best for: The main drive bay, fitted with Lenovo's M.2 caddy and cable. In short: any standard third-party PCIe NVMe drive; there is no storage whitelist. Watch out: Some T470s shipped with a SATA-only adapter; check yours before assuming NVMe speeds. Compare options on Amazon
  • Lenovo M.2 caddy and cable (FRU 01AX994 and 00UR496) (Adapter). Best for: Converting a 2.5-inch SATA bay to an M.2 NVMe drive. In short: search by the FRU numbers above. Watch out: Match the FRU numbers exactly; lookalike caddies may not fit. Compare options on Amazon
  • M.2 2242 SATA SSD (Secondary storage). Best for: A second drive in the WWAN slot. In short: 42 mm long, SATA III. Watch out: An M.2 2242 NVMe drive can physically fit but will not work in this slot. Compare options on Amazon
  • Intel AX200 Wi-Fi 6 card (Wireless). Best for: Replacing the original AC 8265 with Wi-Fi 6. In short: M.2 2230, the confirmed choice for the T470. Watch out: The AX210 uses the same form factor, but verified T470 reports are sparse. Compare options on Amazon
  • Thermal paste and repair kit (Maintenance). Best for: The repaste that a decade-old T470 needs. In short: a modern compound such as Noctua NT-H1 or Arctic MX-4, isopropyl alcohol wipes, a #0 Phillips screwdriver, and a plastic spudger. Watch out: A pea-sized dot is enough; more is not better. Compare options on Amazon
This article is independent analysis by House of Agile. It reflects community-verified hardware reports and Lenovo's published specifications, not official Lenovo upgrade guidance.

Sources and Method

Method

This article combines Lenovo's official hardware specifications with community-verified upgrade reports from memory vendors, Lenovo's support forums, and ThinkPad hardware communities. Claims were cross-checked for hardware compatibility and date consistency. Unconfirmed configurations, such as Wi-Fi 6E (AX210), are explicitly identified as untested.

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