HP EliteBook 840 G9 RAM & SSD Upgrade Guide (Pakistan)
The HP EliteBook 840 G9 (12th-gen Alder Lake) moved to DDR5 memory, and the good news for buyers is that most configurations use two genuine removable DDR5 SO-DIMM slots — not soldered LPDDR5 like some rival ultrabooks in this class — with an official maximum of 64GB. The single M.2 2280 slot runs at PCIe Gen4. The one catch: a small number of low-power SKUs of this model do ship with soldered memory, so confirming your exact configuration before buying a module matters more here than on most business laptops.
This guide shows you how to confirm your 840 G9's exact memory type, what compatible DDR5 SO-DIMMs and NVMe SSDs cost in Pakistan in 2026 (DDR5 has risen sharper than DDR4 in the current shortage), and how to install either upgrade. We're N.N Laptops, Hafeez Center, Lahore — WhatsApp us your model number and we'll confirm your exact configuration before you buy anything.
Max RAM
64GB DDR5-4800 (2× 32GB SO-DIMM, dual-channel) on most configurations — a small number of low-power SKUs ship with soldered LPDDR5 instead; verify via Task Manager before buying
Max storage
Up to 2TB M.2 2280 PCIe Gen4 NVMe SSD (single slot)
Compatible RAM
DDR5-4800 SO-DIMM, 262-pin — DDR4 modules are physically incompatible and will not fit
Compatible SSD
M.2 2280 PCIe Gen4 NVMe
Upgrade cost in Pakistan
- ram
- DDR5 SO-DIMM: 16GB ~Rs 44,000-67,500 · 32GB kit (2×16GB) ~Rs 68,799 (2026 DRAM-shortage pricing — DDR5 has seen a steeper increase than DDR4; confirm today's price on WhatsApp before ordering).
- ssd
- NVMe M.2 1TB: ~Rs 37,000-56,000 (Gen3 cheaper end, Gen4 higher-speed end) — up due to the parallel 2026 NAND shortage.
Step-by-step procedure
- 1
Confirm whether your unit has SO-DIMM slots or soldered memory
Open Task Manager → Performance → Memory. If 'Slots used' shows '1 of 2' or '2 of 2', you have upgradeable SO-DIMMs. If it shows no slot data or your service manual lists LPDDR5, your unit is one of the soldered SKUs — stop here.
Don't assume — this specific model genuinely ships in both configurations depending on the exact SKU. - 2
Buy DDR5-4800 SO-DIMMs (not DDR4)
DDR5 and DDR4 SO-DIMMs are not interchangeable — the notch position is different so a DDR4 stick physically cannot go into a DDR5 slot. WhatsApp 0314 4000131 for today's DDR5 price, which is running well above DDR4 in the current shortage.
- 3
Power off, unplug, and ground yourself
Shut down fully, disconnect the charger, and touch an unpainted metal surface before opening the base.
- 4
Remove the base panel
Undo the captive Torx screws around the perimeter and lift the panel from the rear edge. RAM and the M.2 slot sit under the same cover on this model.
- 5
Seat the DDR5 SO-DIMM and/or NVMe SSD
Insert each RAM stick at 45° and press flat until the clips click. Insert the M.2 drive at a slight angle, press flat, and secure the retention screw.
- 6
Reassemble and boot
Replace the panel, reconnect power, and boot. If you replaced the boot drive, restore from a clone or reinstall Windows first.
- 7
Verify in Windows
Settings → System → About for RAM total, Disk Management for SSD capacity. Reseat anything reporting lower than expected.
FAQ
Does the EliteBook 840 G9 have soldered or removable RAM?
Most configurations use two genuine removable DDR5 SO-DIMM slots (64GB max), but a small number of low-power SKUs ship with soldered LPDDR5 instead. Check Task Manager → Performance → Memory → 'Slots used' on your specific unit before buying a module.
Can I use DDR4 RAM in an 840 G9?
No — the 840 G9 uses DDR5, which has a different notch position and pin count (262-pin vs DDR4's 260-pin). A DDR4 module will not physically fit in a DDR5 slot.
Why is DDR5 RAM so much more expensive than DDR4 right now?
The 2026 global DRAM shortage has hit DDR5 harder than DDR4, since it's the newer standard competing directly with the same fab lines producing high-bandwidth memory for AI hardware. See our full DRAM shortage guide for the exact before/after pricing.
Is the SSD on the 840 G9 upgradeable even if the RAM is soldered on my unit?
Yes — the M.2 2280 PCIe Gen4 NVMe slot is a standard, upgradeable component on every 840 G9 configuration regardless of whether your specific unit's RAM is soldered or in SO-DIMM slots.
Can NN Laptops confirm my exact 840 G9 configuration before I buy RAM?
Yes — WhatsApp us your full model number (printed on the base) at 0314 4000131, or bring the laptop to Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore, and we'll check Task Manager together before you spend anything.