(All models chosen because they appear frequently on Kijiji/Facebook in Alberta, are cheap, and have real upgrade paths.)
Top Tier (Best Value + Most Upgradeable)
Lenovo ThinkPad T480 / T490 / T14 Gen 1
Why it’s perfect:
Dual ram slots (t480) or 1 slot + soldered (t490/t14)
NVMe SSD upgradeable
Removable battery (T480)
Extremely durable
Parts are cheap and everywhere
Price in Alberta used market $180 – $350 depending on condition
Ideal for: Linux, travel, teaching, light creative work
Dell Latitude 5490 / 5400 / 5410
Why it’s great:
- RAM upgradeable
- NVMe SSD upgradeable
- Excellent keyboards
- Very cheap on the used market
Price: - $150–$300
HP EliteBook 840 G5 / G6 / G7
Why it’s solid:
- RAM upgradeable
- NVMe SSD upgradeable
- Aluminum chassis
- Very reliable
Price: - $180–$320
Mid Tier (Still Good, Slightly Less Upgradeable)
Lenovo ThinkPad L480 / L490 / L14
- Cheaper than T-series
- RAM + SSD upgradeable
- Plastic chassis but durable
Price: - $120–$250
Dell Latitude 7390 / 7400
- RAM upgradeable (7390)
- SSD upgradeable
- Very portable
Price: - $150–$300
Special Cases (Good but with Caveats)
Acer Nitro 5 (2018–2021)
- Fully upgradeable (RAM + SSD + sometimes 2nd drive)
- Good for light gaming
- Bulkier, louder
Price: - $250–$450
Older MSI or ASUS gaming laptops (2017–2020)
- Very upgradeable
- Cheap because of battery wear and heat issues
- Good if you need GPU power
Price: - $250–$500
Models to Avoid in 2026 (Not Upgradeable)
These appear in 2026 “best laptop” lists but are terrible used buys because they are not upgradeable or too new/expensive:
- Microsoft Surface Laptop (all generations) – RAM & SSD soldered
- Dell XPS 13/14 (2024–2026) – RAM soldered
- MacBooks (all) – RAM & SSD soldered
- Any Copilot+ PC – soldered memory, sealed designs
- Ultrabooks under 3 lbs – almost always soldered
What to Look For When Buying Used in 2026
Minimum Specs for Longevity
- CPU: 8th–11th gen Intel or Ryzen 4000/5000
- RAM: 8GB minimum, 16GB ideal
- Storage: NVMe SSD
- Upgradeability: At least 1 RAM slot + NVMe slot
- Battery: Replaceable or cheap aftermarket options