Buying a laptop 2026: soldered RAM is a permanent spec, and it changes your cost per year

Most laptop advice revolves around the CPU, RAM and graphics — the three easiest things to compare, and the three that change the answer least in 2026, because any mid-range machine is more than fast enough for what most people do.

What actually changes the answer is one question: "can the RAM and SSD in this model be changed?" Because that decides whether it stays with you for four years or seven.

Soldered RAM is a permanent spec — and what changed in 2026

Photo: Padgriffin — CC BY-SA 4.0 (Wikimedia Commons)

Modern thin-and-light laptops use LPDDR5/LPDDR5X memory, which is faster and more power-efficient than conventional RAM, at the cost of being permanently soldered to the mainboard.

⚠️ That means the 16GB you buy today is 16GB for the entire life of that machine. There is no way to add more later, at any price, and if 16GB eventually stops being enough, the only remedy is replacing the whole laptop.

The good news is that a solution is arriving: LPCAMM2

LPCAMM2 is a JEDEC standard that turns LPDDR5X — previously solder-only — into a removable module, while keeping its speed and efficiency. It is both things that previously required choosing one.

• It appeared in premium laptops and workstations from 2025.
• In 2026 it reached mainstream models — the Lenovo ThinkBook 14+ and 16+ use LPCAMM2 LPDDR5X-8533 with Intel Core Ultra Series 3.
• Dell, Framework, HP and ASUS are adopting it across more lines.

⚠️ If you are choosing a laptop to keep, check these three things first:

1. RAM: soldered / SO-DIMM / LPCAMM2 — if the official specs do not say, look for a teardown video of that exact model; there usually is one.
2. SSD: is there an accessible M.2 slot, and how many? Many machines with soldered RAM still allow an SSD change, which helps a great deal.
3. How easily the back panel opens — some models require removing the keyboard first, which in practice means you never will.

Cost per year: the figure that shows what upgradeability is worth

Photo: D-Kuru — CC BY-SA 3.0 AT (Wikimedia Commons)

Comparing laptops on sticker price alone hides something important. Work it out as cost per usable year instead.

Take a 35,000-baht laptop:

⚠️ Spending an extra 5,000 baht across the machine's life to stretch it from four years to seven cuts the cost per year by about 35% — and that is what "upgradeable" actually buys you. Not convenience: money.

⚠️ But the reverse holds too. If you replace your laptop every three or four years regardless — for work, for novelty, or because the company does it — upgradeability is worth nothing to you, and you should buy the spec that fits four years at the lowest price. Answer that honestly first, because a great many people pay extra "in case I upgrade" and never once open the back panel.

Something else that usually ends before the machine: the battery. Lithium cells degrade with cycles and with age, typically becoming noticeable at two to four years. Check how easily that model's battery can be replaced and what a service centre charges, because a machine that is still fast but runs 40 minutes is functionally dead.

The remaining specs, ordered by real effect

1. SSD — matters more than the CPU for how fast it feels

512GB is the sensible 2026 starting point; 256GB fills faster than expected once you include the OS, applications and files. ⚠️ And an SSD over about 90% full slows noticeably, so leave 15–20% free (see SSD vs HDD).

2. RAM — 16GB is this year's safe ground

8GB still works for very light use but strains under a browser with dozens of tabs. 16GB is where most people should be, and 32GB for editing, virtual machines, or anyone planning on six years or more.

3. The display — the spec you look at all day and almost nobody compares

⚠️ Brightness matters more than resolution for Thai buyers, because cafés and home offices here are very bright. A panel below roughly 300 nits will not compete with the light, and a glossy finish reflects everything. As for resolution, 1920×1200 on a 14-inch screen is sharp enough for nearly everyone — 4K at that size costs battery for very little in return.

4. CPU and graphics — less important than the advertising suggests

For documents, browsing, video calls and study, every 2026 mid-range CPU is more than enough. ⚠️ A discrete graphics card is genuinely useful only for games and rendering, and it costs you battery life, heat and weight — if you do not game, it is paying for drawbacks.

5. Keyboard and trackpad — the two things your hands touch every second, and which spec reviews never measure. Type on one in a shop if you can.

6. Ports — a machine with only two USB-C ports means you will buy a hub. Count the ports you actually use daily (HDMI for a monitor, USB-A for a mouse or drive, an SD reader if you shoot photos).

Thailand-specific factors that outweigh specs

Photo: Siarhei Besarab — CC BY-SA 4.0 (Wikimedia Commons)

⚠️ A nearby service centre outweighs a 5% spec difference. A brand with excellent specs-per-baht but no service centre in your province means one repair is a machine shipped across the country and weeks of waiting. Check that brand's service centre list for your province before deciding — five minutes, and genuinely useful.

⚠️ Humidity and dust. Thai air is humid year round, which accelerates connector corrosion and clogs fans faster. Blow out the vents every six months, and never use the machine on a bed or sofa where the intakes are blocked — a hot laptop throttles itself to avoid damage, which is why people believe machines "get slower with age" when in fact they are simply hot.

Warranty — check whether it is a Thai official warranty or an importer's, and what it covers. Accidental damage cover (spills, cracked screens) can usually be added and is better value than it sounds for a machine you carry around.

Common mistakes

Not checking whether the RAM is upgradeable — then being stuck on 8GB in year three.

Buying a 256GB SSD to save money — full within the first year and slowed by the lack of free space.

Buying discrete graphics without gaming — paying extra for shorter battery life and more weight.

Judging only by CPU numbers — the spec that differs least in most people's real use.

Not trying the keyboard — despite touching it every second.

Buying a brand with no service centre in your province because the specs-per-baht look good.

Using it on a bed — blocking the vents until the machine throttles itself.

Keeping it plugged in at 100% permanently — many modern laptops offer a charge limit of around 60–80% for people who mostly use mains power, which genuinely extends battery life. Look for it in the manufacturer's software.

Summary

1. The first question is "can the RAM and SSD be changed?", not "which CPU is it?"
2. Soldered RAM is a permanent spec — 16GB today is 16GB forever.
3. LPCAMM2 is the new answer, making LPDDR5X removable, and reaching mainstream models in 2026.
4. Stretching four years to seven cuts cost per year by about 35% — 8,750 down to 5,714 baht.
5. But if you replace every three or four years anyway, do not pay for upgrades you will never do.
6. 512GB SSD and 16GB RAM are 2026's safe ground.
7. A nearby service centre beats a few percent of spec.

Sources

• iFixit — LPCAMM2 memory is finally here, and it's a big deal
• TechPowerUp — Lenovo starts LPCAMM2 rollout with ThinkBook 14+ and 16+
• VideoCardz — Lenovo ThinkBook 2026 uses LPCAMM2 memory modules
• XDA — the next generation of laptops will ship with CAMM2 memory

Prices and cost-per-year figures illustrate the method and are not market prices for any particular model — substitute the real price and the lifespan you expect. Upgradeability varies by model even within one brand, so check the official specs or a teardown of that specific model before buying.