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ASUS

ASUS ROG Zephyrus G15 GA503QR-211.ZG15 8GB 1TB gaming laptop

SKU CH-JC0D-RJ2MG

A 15.6-inch QHD 165 Hz gaming laptop with an 8-core Ryzen 9 5900HS, RTX 3070 graphics, 8 GB DDR4 memory and a 1 TB PCIe NVMe SSD

  • Screen size15.6 in (39.6 cm)
  • ProcessorAMD Ryzen 9 5000 Series
  • Graphics processorGeForce RTX 3070 Laptop GPU
  • Memory size8 GB
  • SSD storage1 TB
  • Display resolution2560 × 1440
  • 8-core Ryzen 9 5900HS reaches 4.6 GHz for fast compute
  • RTX 3070 with 8 GB GDDR6 drives high-frame-rate gaming
  • 6-inch QHD panel at 165 Hz gives sharp motion clarity
  • 1 TB PCIe NVMe SSD loads games and apps quickly
  • 90 Wh battery and 200 W adapter support long sessions

Ryzen 9 5900HS laptop for creators

The ASUS ROG Zephyrus G15 pairs an 8-core AMD Ryzen 9 5900HS processor with an NVIDIA RTX 3070 laptop GPU and a 15.6-inch QHD 165 Hz display. Eight gigabytes of DDR4 memory and a 1 TB PCIe NVMe SSD handle multitasking and fast load times. Windows 10 Pro 64-bit ships pre-installed for immediate productivity.

90 Wh battery and 200 W adapter

A 4-cell 90 Whr battery powers the thin 0.78-inch chassis while the included 200 W supply keeps the CPU and GPU fed during sustained workloads. The 802.11ax Wi-Fi and Bluetooth 5.1 maintain stable wireless links without extra dongles. Fan behaviour scales with load so the keyboard deck stays comfortable during long sessions.

Velztorm upgrade and port selection

Technicians open the factory box to verify the 1 TB PCIe SSD and 8 GB onboard memory before resealing the unit. Connectivity covers one HDMI, two USB 3.2 Type-C Gen 2 ports, a micro SD reader and a combo audio jack. The RGB backlit keyboard adds per-key lighting control for low-light work.

How it compares

Measured against everything we stock in Gaming Laptop Computers, at today’s prices. Recalculated every night.

Price $1,371.99
Cheaper than about 80% of the 5,382 comparable items (median $1,978.99).
Screen size 15.6 in (39.6 cm)
Lower than about 60% of the 5,361 comparable items (median 16 in).
Refresh frequency 165 Hz
Typical for this category: the median of 2,443 items is 165 Hz.

New to this? Buying a laptop with crypto, start to finish — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product lineROG Zephyrus G15
Product colorGray
Design styleStandard
Product typeGaming
Processor
ProcessorAMD Ryzen 9 5000 Series
CPU cores8-core Processor
Turbo clock speed4.6 GHz
L3 cache size16 MB Cache
Memory
Memory size8 GB
RAM type and speedDDR4
Type of memorySO-DIMM
Storage
SSD storage1 TB
Hard driveNo
Storage configuration1 TB PCIe SSD
Optical driveNo Optical Drive
Display
Screen size15.6 in (39.6 cm)
Display resolution2560 × 1440
Refresh frequency165 Hz
Touch inputNo
Graphics
Graphics processorGeForce RTX 3070 Laptop GPU
Graphics typeDedicated Card
Audio & video
Web cameraNo
Connectivity
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.1
Ports & slots
HDMI ports1 x HDMI
Audio jacks1 x Headphone/Microphone Combo Jack
Memory card readerMicro SD
Software
Operating systemWindows 10 Pro ‍👉Check gaming pc with Windows 11 Pro
More details
KeyboardStandard
Keyboard backlightBacklit

Questions about this item

How do I add more RAM to the GA503QR-211.ZG15 and what mistake should I avoid?

The laptop has 8 GB of DDR4 soldered to the board and no free SO-DIMM slot, so you cannot upgrade the memory at all; the common mistake is buying a DDR4 stick that will not fit.

Which component will need replacement first during the life of this Zephyrus G15?

The 4-cell 90 Wh battery will degrade with charge cycles and is the only part designed for user replacement; CPU, GPU and the 1 TB NVMe SSD are not socketed.

What thermal limit appears first when the Ryzen 9 5900HS and RTX 3070 run flat out?

The 200 W power adapter caps total system draw, so sustained loads hit the power budget before the 165 Hz QHD panel or the 8 GB DDR4 memory become bottlenecks.

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