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Dell G15 5511 (2021) Specifications
The Dell G15 5511 (2021) is a versatile laptop offering solid performance for everyday computing. This guide covers RAM, SSD, charger compatibility, and upgrade paths for this model. For a comprehensive overview of all Dell upgradeable models, visit the Dell Laptop Upgrades hub.
| Component | Specification |
|---|---|
| Processor | i5-11400H / i7-11800H + RTX 3050 Ti |
| RAM | DDR4, 2 slots (upgradeable) |
| Max RAM | 32GB |
| Storage | M.2 2230/2280 NVMe, 2 slots (slot 1 PCIe Gen3/Gen4, slot 2 PCIe Gen3) |
| Charger | 180W or 240W 7.4mm Barrel |
| Ports | 1x USB-C 3.2, 3x USB 3.2, 1x HDMI 2.1, 1x RJ45 |
| Display | 15.6″ FHD IPS 120Hz |
| Weight | 2.41 kg (5.31 lbs) |
Memory Upgrade Path
The Dell G15 5511 features 2 SO-DIMM slots for DDR4 RAM, allowing upgrades up to 32GB. Both slots are user-accessible, and the upgrade process is straightforward.
Recommended DDR4 RAM Upgrades:
- Corsair Vengeance DDR4 SO-DIMM — Reliable DDR4 laptop memory with wide compatibility.
- Kingston Fury Impact DDR4 SO-DIMM — Compact high-performance DDR4 for laptops.
- Crucial DDR4 SO-DIMM — Affordable DDR4 with solid performance.
Storage Expansion
The Dell G15 5511 uses a standard M.2 2280 NVMe SSD with NVMe PCIe Gen4 on slot 1 and PCIe Gen3 on slot 2. With 2 M.2 slots, you can run dual NVMe drives for expanded storage.
Recommended M.2 2280 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 Dell G15 5511 uses a 180W or 240W 7.4mm Barrel charger. This uses a proprietary barrel connector. Use the original charger or a compatible replacement rated for the same wattage.
Port & Docking Capabilities
Connectivity: 1x USB-C 3.2, 3x USB 3.2, 1x HDMI 2.1, 1x RJ45
A USB-C docking station like the Anker 577 USB-C Hub provides additional ports including HDMI, Ethernet, and USB-A.
Upgrade Difficulty & Tools Required
The Dell G15 5511 has a difficulty rating of 4/5 for upgrades (5 = easiest). The upgrade process is straightforward — standard screws and easy component access.
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 Dell G15 5511?
Yes, the Dell G15 5511 has 2 SO-DIMM slots for user-upgradeable DDR4 memory, supporting up to 32GB.
What is the maximum RAM for the Dell G15 5511?
The Dell G15 5511 supports up to 32GB of DDR4 memory.
Can I add a second SSD to the Dell G15 5511?
The Dell G15 5511 has 2 M.2 slots. You can add a second NVMe SSD.
What charger does the Dell G15 5511 need?
The Dell G15 5511 uses a 180W or 240W 7.4mm Barrel charger.
Is the Dell G15 5511 easy to upgrade?
The Dell G15 5511 has a difficulty rating of 4/5. Standard screws and clear access to components.
Recommended Products
These are the products we recommend based on this guide. All links go to Amazon where you can check current prices and availability.
| Product | Why We Recommend It | Amazon |
|---|---|---|
| Corsair Vengeance DDR4 SO-DIMM | Reliable DDR4 laptop memory with wide compatibility. | View on Amazon |
| Kingston Fury Impact DDR4 SO-DIMM | Compact high-performance DDR4 for laptops. | View on Amazon |
| Crucial DDR4 SO-DIMM | Affordable DDR4 with solid performance. | View on Amazon |
| Samsung 990 Pro NVMe 2280 | Flagship NVMe SSD with exceptional speeds. | View on Amazon |
| WD Black SN850X 2280 | High-performance NVMe with excellent sustained writes. | View on Amazon |
| Crucial P5 Plus NVMe 2280 | Excellent value NVMe with strong real-world performance. | View on Amazon |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.
Related Dell Upgrade Guides
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- Dell Precision T7920 RAM & SSD Upgrade Guide (2018)
- Dell Precision T7875 RAM & SSD Upgrade Guide (2024)
- Dell Precision T5860 RAM & SSD Upgrade Guide (2024)
- Dell Upgrade Guide
Not sure what fits? Use our free Compatibility Checker covering 3,195+ models.
Helpful Guides
Upgrades that fit the Dell G15 5511
What fits: Memory: DDR4-3200 SO-DIMM, 2 user slots, up to 32GB · Storage: M.2 2230 or 2280 NVMe PCIe 4.0; M.2 2230 or 2280 NVMe PCIe 3.0 · Charger: barrel 7.4 x 5.1mm 180/240W
Spec source: dell.com (checked 26 Sep 2026).
As an Amazon Associate we earn from qualifying purchases. Prices & availability shown on Amazon.
