HP 255-G11 (2024) Specifications
The HP 255-G11 (2024) is a professional-grade business laptop for enterprise users. 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 | AMD Ryzen 5 7520U / Ryzen 7 7720U |
| RAM | DDR5, 2 SO-DIMM slots (upgradeable) |
| Max RAM | 32GB (2× 16GB) |
| Storage | M.2 NVMe PCIe Gen4, 1 slot |
| Charger | 45W USB-C |
| Ports | 2x USB 3.2, 1x USB 2.0, 1x HDMI 2.0, 1x RJ45 Ethernet, 1x Audio Jack |
| Display | 15.6" FHD (1920×1080) IPS |
| Weight | 1.88 kg (4.15 lbs) |
Memory Upgrade Path
The 255-G11 features 2 SO-DIMM slots for DDR5 RAM, allowing upgrades up to 32GB. Both slots are user-accessible, and the upgrade process is straightforward.
Recommended DDR5 RAM Upgrades:
- Corsair Vengeance DDR5 SO-DIMM — Premium DDR5 laptop memory with excellent compatibility.
- Kingston Fury Impact DDR5 SO-DIMM — High-performance DDR5 with solid heat dissipation.
- Crucial DDR5 SO-DIMM — Budget-friendly DDR5 with proven stability.
Storage Expansion (M.2 NVMe)
The 255-G11 uses a standard M.2 NVMe SSD with a NVMe PCIe Gen4 interface. The single M.2 slot supports drives up to 2TB.
Recommended M.2 SSDs:
- Samsung 990 Pro NVMe 2280 — Flagship NVMe SSD with exceptional speeds.
- WD Black SN850X 2280 — High-performance NVMe with excellent sustained writes.
- Crucial P5 Plus NVMe 2280 — Excellent value NVMe with strong real-world performance.
Power Delivery & Charging
The 255-G11 uses a 45W USB-C 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 USB-C PD Chargers:
- Anker 65W USB-C PD Charger — Compact GaN charger with multiple ports. Works with this and other USB-C devices.
- Ugreen USB-C PD Charger (45W+) — Affordable universal charger with fast charging and solid reviews.
- INIU USB-C PD Fast Charger — Budget option with reliable performance and portability.
Port & Docking Capabilities
Connectivity: 2x USB 3.2, 1x USB 2.0, 1x HDMI 2.0, 1x RJ45 Ethernet, 1x Audio Jack
Upgrade Difficulty & Tools Required
The 255-G11 has a difficulty rating of 2/5 for upgrades (5 = easiest). The upgrade process is difficult.
Tools needed:
- Phillips screwdriver (M2.5 or similar)
- Plastic spudger or pry tool (for bottom panel clips)
- ESD wrist strap (optional but recommended)
We recommend backing up your data and consulting the official service manual before opening the chassis.
Frequently Asked Questions
Can I upgrade the RAM in the HP 255-G11?
Yes, the 255-G11 has 2 SO-DIMM slots for user-upgradeable DDR5 memory.
What is the maximum RAM for the 255-G11?
The 255-G11 supports up to 32GB of DDR5 memory.
Can I add a second SSD to the 255-G11?
The 255-G11 has 1 M.2 slot. You can replace the existing SSD with a larger drive.
Can I use any USB-C charger with the 255-G11?
Yes, any USB-C Power Delivery charger rated for 45W or higher will work.
Is the 255-G11 easy to upgrade?
The 255-G11 has a difficulty rating of 2/5. Consider professional assistance for upgrades.
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 DDR5 SO-DIMM | Premium DDR5 laptop memory with excellent compatibility. | View on Amazon UK |
| Kingston Fury Impact DDR5 SO-DIMM | High-performance DDR5 with solid heat dissipation. | View on Amazon UK |
| Crucial DDR5 SO-DIMM | Budget-friendly DDR5 with proven stability. | View on Amazon UK |
| Samsung 990 Pro NVMe 2280 | Flagship NVMe SSD with exceptional speeds. | View on Amazon UK |
| WD Black SN850X 2280 | High-performance NVMe with excellent sustained writes. | View on Amazon UK |
| Crucial P5 Plus NVMe 2280 | Excellent value NVMe with strong real-world performance. | View on Amazon UK |
| Anker 65W USB-C PD Charger | Compact GaN charger. Universal solution for USB-C laptops. | View on Amazon UK |
| Ugreen 45W USB-C PD Charger | Affordable universal USB-C charger with fast charging. | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.
Related HP Upgrade Guides
- HP Battery Replacement: EliteBook, Pavilion & OMEN Step-by-Step
- Best RAM for HP Laptops in 2026
- HP ProLiant DL365 Gen11 RAM & SSD Upgrade Guide (2023)
- HP ProLiant ML30 Gen11 RAM & SSD Upgrade Guide (2023)
- HP ProLiant DL385 Gen10 Plus RAM & SSD Upgrade Guide (2020)
- HP Upgrade Guide
Not sure what fits? Use our free Compatibility Checker covering 3,195+ models.
Helpful Guides
Recommended 2TB SSDs
Western Digital
Western Digital WDS100T2XHE 2 TB M.2 PCI Express 4.0 NVMe TLC 3D NAND
£561.18
View Deal
