Casper Excalibur G920 Review: An RTX 5090 Laptop With a 300 Hz Display

Casper's Excalibur lineup has a new flagship-tier contender for gamers: the G920. The pitch is straightforward — a 14th Gen Intel Core i9-14900HX processor, a choice of three NVIDIA RTX 50 series GPUs and a 16-inch QHD panel that refreshes at up to 300 Hz. The laptop is listed on Casper's official site starting at 216.745 TL (prices in Turkey), and the box includes a 1-month PC Game Pass membership.

CPU and GPU Options

At the heart of the G920 sits the i9-14900HX, a 24-core chip that can boost up to 5.8 GHz. On the graphics side, buyers get a choice of three cards: the RTX 5070 Ti with 12 GB of GDDR7 memory, the RTX 5080 with 16 GB, or the RTX 5090 with 24 GB. All three run on NVIDIA's Blackwell architecture with DLSS 4, and MUX Switch support lets the system switch between the integrated and discrete GPU. DLSS uses AI upscaling of lower-resolution frames to help push frame rates higher.

Casper doesn't force pre-built bundles here. The GPU, CPU, memory, storage and software license can all be customized, so the machine can be shaped around how you actually use it.

Display Quality and Cooling

The panel is a 2560x1600 IPS screen with a 3 ms response time. It combines 100% DCI-P3 color coverage, 500 nits of brightness and that 300 Hz refresh rate. Anti Flickering and Low Blue Light technologies aim to reduce eye strain during long sessions.

Thermals are handled by two 12V smart turbo fans and four air vents. The fans stay below a 52 dB threshold — though Casper itself notes that Excalibur series fans can be somewhat louder than those in other notebooks.

Connectivity is generous too. In hybrid mode, the Type-C port's DisplayPort capability allows a three-screen setup with two external monitors. You also get Wi-Fi 7, Bluetooth 5.4, three USB 3.2 Type-A ports and a Type-C port supporting charging up to 100W.

Price List Dated October 22, 2026

Prices shown on Casper's site vary by model code. All G920 variants carry the i9-14900HX; as of October 22, 2026, the RTX 5090 configurations listed were:

The top-of-the-line G920.1490-EN90H-E comes with 64 GB DDR5 RAM, a 2 TB + 2 TB M.2 Gen4 SSD setup and Windows 11 Pro. RTX 5070 Ti variants also exist in the catalog; however, at the time of the update, the RTX 5070 Ti model with 32 GB RAM and a 1 TB SSD was out of stock, and the price list started at 216.745 TL. Stock and prices can change, so check the site before buying.

Warranty, Maintenance and the Game Pass Perk

The warranty covers 24 months from the invoice date. Excalibur models also get a Lifetime Performance Maintenance program recommended once a year: the first service is free, while later visits require paying service and shipping fees. Maintenance can be carried out at regional service centers in Istanbul, Ankara, Izmir, Adana, Bursa, Antalya, Eskisehir and Konya. Options like 1-hour service, Jet service, Turbo service and live support are also listed.

The laptop is compatible with Windows 11 Home and Windows 10 Home, and ships with a 1-month PC Game Pass membership giving access to more than 100 games. Keep in mind that promotions can change over time.

Upgrades and Long-Term Use

Dual DDR5 slots and dual M.2 NVMe slots leave the door open for later upgrades, with RAM capped at 64 GB. The RTX 50 series GPUs are also useful for workloads like video editing and 3D design. Still, we won't promise "it'll run flawlessly for years" — the warranty is 24 months. Another important note: Casper recommends consulting an authorized service before swapping RAM or SSDs, because parts installed afterwards fall outside the warranty. No failure-rate data has been published, so we won't make any "least likely to break" claims either. What is concrete: the 24-month warranty, annual maintenance, independently controlled dual fans and the Excalibur Control Center, which lets you manage performance and cooling yourself.

Battery, Portability and Caveats

The G920 is not sold on battery life. It packs a 4-cell 63.05 Wh battery with a 330W adapter, and it's a machine that should be plugged in for full performance. The USB-C port does allow charging up to 100W, though. At 2.5 kg and 27.9 mm thick, it's not aimed at users who prioritize portability. One of the two review videos on the product page describes it as "the laptop that delivers +200 FPS even in the heaviest games" — but since frame rates vary by game, settings and configuration, we won't promise specific numbers. And with GTA 6's system requirements not yet available, we make no claims about that game either.

FAQ

Which GPUs can you get in the G920?

The RTX 5070 Ti with 12 GB GDDR7, the RTX 5080 with 16 GB, and the RTX 5090 with 24 GB. All three use the Blackwell architecture and GDDR7 memory.

Can memory and storage be upgraded later?

Yes — there are two DDR5 slots (up to 64 GB) and two M.2 NVMe slots. Casper recommends consulting an authorized service before making changes.

How many displays can you run?

A three-screen setup is possible with two external monitors; in hybrid mode, the Type-C port acts as a DisplayPort output.

How long is the warranty?

24 months (2 years) from the invoice date.

Final Word

In short, the Excalibur G920 is a strong candidate for anyone looking to jump to the RTX 50 series, push demanding games at high settings, and pick hardware to match their own needs. The 300 Hz QHD panel, customizable configurations, 24-month warranty, performance maintenance program and Game Pass bonus all count in its favor. But if battery life, portability or budget are your priorities, weigh those limitations before you decide.