HP EliteBook 640 G9 (2022) Specifications
The HP EliteBook 640 G9 (2022) is a professional-grade laptop designed for business users seeking reliable performance and solid upgrade potential. This guide covers RAM, SSD, charger compatibility, and upgrade paths for this model. For a comprehensive overview of all HP upgradeable models, visit the HP Laptop Upgrades hub.
| Component | Specification |
|---|---|
| Processor | 12th Gen Intel Core i5/i7 (Alder Lake) |
| RAM | DDR4-3200, 2 SO-DIMM slots (upgradeable) |
| Max RAM | 32GB (2× 16GB) |
| Storage | M.2 2280 NVMe PCIe Gen4, 1 slot |
| Charger | 65W USB-C Power Delivery |
| Ports | 1× Thunderbolt 4, 1× USB-C 3.2, 2× USB-A 3.2, HDMI 2.0, headphone jack |
| Display | 14″ FHD (1920×1080) IPS, 16:9 |
| Weight | 1.38 kg (3.04 lbs) |
Memory Upgrade Path
The EliteBook 640 G9 features 2 SO-DIMM slots for DDR4-3200 RAM, allowing upgrades from the factory configuration up to a maximum of 32GB (2× 16GB). Both slots are user-accessible, and the upgrade process is straightforward for most users.
Recommended DDR4 RAM Upgrades:
- Corsair Vengeance DDR4 SO-DIMM — Proven DDR4 laptop memory with wide compatibility. Fast and reliable.
- Kingston Fury Impact DDR4 SO-DIMM — Popular DDR4 upgrade for laptops. Good speeds and low latency.
- Crucial DDR4 SO-DIMM — Budget-friendly DDR4 with solid performance. Well-tested across brands.
Storage Expansion (M.2 NVMe)
The EliteBook 640 G9 uses an M.2 2280 NVMe PCIe Gen4 slot. The single M.2 slot supports up to 2TB.
Recommended M.2 2280 SSDs:
- Samsung 980 PRO 2280 — Top-tier Gen4 NVMe for maximum performance. Widely compatible.
- WD Black SN770 2280 — Excellent mainstream NVMe with strong sequential and random speeds.
- Kingston NV2 2280 — Budget NVMe SSD with reliable performance. Great value upgrade.
Power Delivery & Charging
The EliteBook 640 G9 uses a 65W USB-C Power Delivery charger. This is compatible with any USB-C PD charger of equal or higher wattage from brands like Anker, Ugreen, or the original HP charger.
Compatible Chargers:
- Anker 100W USB-C PD Charger — Compact, multi-port option. Works with this and other USB-C devices.
- Ugreen USB-C PD Charger (65W+) — Affordable universal charger with good reputation.
- INIU USB-C PD Fast Charger — Budget option with solid performance and portability.
Port & Docking Capabilities
Connectivity: 1× Thunderbolt 4, 1× USB-C 3.2, 2× USB-A 3.2, HDMI 2.0, headphone jack
The presence of Thunderbolt 4 (×1) provides fast external storage and high-bandwidth peripherals. Consider a Thunderbolt dock like the CalDigit TS4 or Belkin Thunderbolt 4 Dock Pro for desktop expansion with multiple displays and storage.
Upgrade Difficulty & Tools Required
The EliteBook 640 G9 has a difficulty rating of 5/5 for upgrades (5 = easiest). Previous-gen EliteBook with 2 DDR4 SO-DIMM slots. DDR4 keeps upgrade costs low. Standard 2280 M.2 SSD, Thunderbolt 4. Still widely deployed in enterprises.
Tools needed:
- Philips screwdriver (M2.5 or similar)
- ESD wrist strap (optional but recommended)
- Thermal paste (only if reapplying to heatsinks)
We recommend backing up your data and consulting your service manual before opening the chassis.
Frequently Asked Questions
Can I upgrade the RAM in the HP EliteBook 640 G9?
Yes, the RAM is user-upgradeable via two SO-DIMM slots.
What is the maximum RAM for the EliteBook 640 G9?
The EliteBook 640 G9 supports up to 32GB (2× 16GB) (DDR4-3200) with both SO-DIMM slots populated with matching modules.
What type of SSD does the EliteBook 640 G9 use?
The EliteBook 640 G9 uses a standard M.2 2280 NVMe SSD. This is the most common laptop SSD form factor with the widest range of compatible drives available.
Can I use a different USB-C charger with the EliteBook 640 G9?
Yes, any USB-C Power Delivery charger rated for 65W or higher will work. Brands like Anker and Ugreen offer universal USB-C solutions.
Is the EliteBook 640 G9 compatible with a Thunderbolt dock?
Yes, the Thunderbolt 4 (×1) supports Thunderbolt docks for desktop expansion with multiple monitors and external storage.
Recommended Products
These are the products we recommend based on this guide. All links go to Amazon UK where you can check current prices and availability.
| Product | Why We Recommend It | Amazon UK |
|---|---|---|
| Corsair Vengeance DDR4 SO-DIMM 16GB | Proven DDR4 laptop memory with wide compatibility. Fast and reliable. | View on Amazon UK |
| Kingston Fury Impact DDR4 SO-DIMM 16GB | Popular DDR4 upgrade for laptops. Good speeds and low latency. | View on Amazon UK |
| Crucial DDR4 SO-DIMM 16GB | Budget-friendly DDR4 with solid performance. Well-tested across brands. | View on Amazon UK |
| Samsung 980 PRO 2280 NVMe 512GB | Top-tier Gen4 NVMe for maximum performance. Widely compatible. | View on Amazon UK |
| WD Black SN770 2280 NVMe 512GB | Excellent mainstream NVMe with strong sequential and random speeds. | View on Amazon UK |
| Kingston NV2 2280 NVMe 512GB | Budget NVMe SSD with reliable performance. Great value upgrade. | View on Amazon UK |
| Anker 100W USB-C PD Charger | Compact, multi-port option. Works with this and other USB-C devices. | View on Amazon UK |
| Ugreen USB-C PD Charger (65W+) | Affordable universal charger with good reputation. | View on Amazon UK |
| INIU USB-C PD Fast Charger | Budget option with solid performance and portability. | View on Amazon UK |
| CalDigit TS4 Thunderbolt Dock | Professional-grade Thunderbolt 4 dock with multiple ports, displays, and Ethernet. Top choice for desk setup. | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.
