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Eclipse Black gaming laptop with 15.1 inch OLED display and RGB keyboard

Lenovo

Lenovo Legion 5i 15 Gaming Laptop i7-14700HX RTX 5070 64GB DDR5 4TB 15.1" OLED 165Hz

SKU CH-JZ88-S451W

15.1" WQXGA OLED 165Hz laptop with Intel Core i7-14700HX 20-core processor, GeForce RTX 5070 8 GB graphics, 64 GB DDR5 memory and 4 TB PCIe SSD

  • Processor NameIntel Core i7-14700HX
  • Screen Size15.6"
  • Operating SystemWindows 11 Home
  • GPU/VPUGeForce RTX 5070 Laptop GPU
  • SSD512GB PCIe
  • Memory16GB

RAM 64GB

SSD 4TB PCIe SSD

NBOperatingSystem Windows 11 Pro

  • Intel Core i7-14700HX with 20 cores and 28 threads powers demanding workloads
  • 1" WQXGA OLED 165Hz display delivers crisp 2560x1600 visuals at high refresh
  • NVIDIA GeForce RTX 5070 8 GB graphics drives smooth frame rates in modern titles
  • 64GB DDR5 memory and 4TB storage provide capacity for large projects and libraries
  • Wi-Fi 7 connectivity enables low-latency wireless networking for gaming and streaming

Core configuration

The Lenovo Legion 5i 15 pairs an Intel Core i7-14700HX processor with 20 cores and 28 threads with an NVIDIA GeForce RTX 5070 8 GB GPU. A 15.1 inch WQXGA OLED panel running at 165 Hz delivers 2560 by 1600 resolution. The system ships with 64 GB of DDR5 memory and a 4 TB PCIe SSD. Windows 11 Home is pre-installed.

Upgrade path

This unit replaces the factory 16 GB memory and 512 GB SSD with 64 GB DDR5 and 4 TB storage before it reaches you. The jump is worthwhile when your workloads exceed the original capacity, such as running large datasets, virtual machines or modern game libraries that demand more than the base configuration provides.

Build integration

Two USB-A ports at 5 Gbps and two USB-C ports at 10 Gbps handle peripherals and external displays. One USB-C supports USB PD 65 to 100 W and DisplayPort 2.1, the other carries DisplayPort 1.4. HDMI 2.1 drives up to 8K at 60 Hz. RJ-45 Ethernet and Wi-Fi 7 802.11be 2x2 with BT 5.4 cover networking. A 3.5 mm combo jack serves audio.

Highlights

  • Intel Core i7-14700HX with 20 cores and 28 threads powers demanding workloads
  • 1" WQXGA OLED 165Hz display delivers crisp 2560x1600 visuals at high refresh
  • NVIDIA GeForce RTX 5070 8 GB graphics drives smooth frame rates in modern titles
  • 64GB DDR5 memory and 4TB storage provide capacity for large projects and libraries
  • Wi-Fi 7 connectivity enables low-latency wireless networking for gaming and streaming

Specifications

Processor NameIntel Core i7-14700HX
Screen Size15.6"
Operating SystemWindows 11 Home
GPU/VPUGeForce RTX 5070 Laptop GPU
SSD512GB PCIe
Memory16GB
WiFi GenerationWi-Fi 7

Other versions of this model

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Questions about this item

What are the exact dimensions and weight of the Lenovo Legion 5i 15 so I can confirm it fits my bag?

The chassis measures 13.58 x 10.05 x 0.85 inches and weighs 4.4 pounds, so check your sleeve or backpack against those figures.

How is the factory seal handled during the RAM and SSD upgrade, and what step is often missed?

Engineers open the original seal to install the 64 GB DDR5 and 4 TB PCIe SSD, then reseal the unit; the step buyers miss is verifying the upgraded components are recognised in BIOS before first use.

Which user-replaceable parts will need attention later, and what are their specs?

The two SO-DIMM slots hold DDR5 memory and the M.2 slot holds a PCIe SSD; both are accessible after removing the base cover for future capacity increases.

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