HP mt40
Only one machine has reported its memory so far, so this answer rests on a single example. Check the label or open the panel before you buy.
Yes. 2 slots, up to 8 GB seen working.
It takes DDR3-1333 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR3-1333 204-pin SO-DIMM
- Most seen working
- 8 GB in the one machine reported
- Firmware says
- 16 GB maximum (often wrong, so we show what machines run)
- How sure
- 1 of 1 report show this layout
Worked out from 1 hardware report of this laptop. Sources and method. Updated 10 Nov 2026.
Check the drive you have.
The reports don't show this model's drive type yet. Look at the drive in it: a 2.5-inch box, about 7 by 10 cm, is SATA. A small stick is M.2, and its label says NVMe or SATA and its length (2230, 2242 or 2280).
- Drive type
- Check your current drive
How to tell a drive's type. Sources and method. Updated 10 Nov 2026.
Illustration The battery in the one machine reported reports 55 Wh.
That is the design capacity the batteries themselves report, and the label can read 1 to 3 Wh higher. Other pack sizes may have shipped, so check the capacity printed on yours before you order.
- Capacity
- 55 Wh
- Pack code
- CC06055
From 1 battery reading. Sources and method. Updated 10 Nov 2026.
Illustration Match the label on your charger.
We don't have this model's charger rating yet. The label on your charger shows it: the output line gives volts and amps, and volts times amps is the watts (19.5 V at 3.33 A is 65 W). Buy one with the same plug, the same voltage and at least as many watts.
- Rated output
- On your charger's label
How to read a charger label. Sources and method. Updated 10 Nov 2026.
Illustration Questions
Can I upgrade the RAM in the HP mt40?
Yes. 2 slots, up to 8 GB seen working. It takes DDR3-1333 laptop-size sticks (SO-DIMM).
What type of RAM does the HP mt40 use?
DDR3-1333 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the HP mt40 take?
Machines in the reports run up to 8 GB. The firmware reports a maximum of 16 GB, a figure that is often wrong.
What battery does the HP mt40 use?
The battery in the one machine reported reports 55 Wh. The pack code is CC06055. Check the capacity printed on yours before you order.
Is this my laptop?
Check the model name on the label underneath. It should read mt40.