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Black 15.6 inch gaming laptop with angular chassis and matte finish

Acer America

Acer America Predator Helios 300 PH315-55-795C-HID1 gaming laptop

SKU CH-0MC0-J7WZ1

15.6-inch QHD 240 Hz display, 14-core Intel i7-12700H, RTX 3070 Ti graphics, 16 GB DDR5-4800 memory and 1 TB PCIe 4.0 NVMe SSD

  • ColorBlack
  • Operating SystemWindows 11 Home
  • CPUIntel® 12th Generation Alder Lake i7-12700H
  • Screen15.6" QHD
  • Memory16GB
  • Storage1 TB M.2 PCIe 3.0 x4 NVMe SSD

Operating System Windows 11 Home

Memory 16GB

SSD|Option 1 TB|QHD

  • QHD 240Hz display delivers sharp motion
  • 14-core i7-12700H reaches 4.7 GHz turbo
  • RTX 3070 Ti with 8 GB GDDR6 drives high frame rates
  • 16 GB DDR5 4800MHz memory handles heavy multitasking
  • 1 TB PCIe 4.0 NVMe SSD provides fast load times

15.6" QHD 240Hz gaming laptop

The 15.6 inch display delivers a 2560 by 1440 resolution at a 240Hz refresh rate for smooth competitive play. An Intel Core i7-12700H processor with 14 cores and 20 threads reaches a 4.7 GHz turbo frequency. An NVIDIA GeForce RTX 3070 Ti graphics card with 8 GB GDDR6 memory runs at a 150W TGP and a 1510 MHz boost clock. The system ships with Windows 11 Home installed.

Thermals and power under load

HIDevolution applies upgraded thermal interface materials to lower system temperatures and prevent throttling during intensive CPU and GPU tasks. The tuning also minimises fan noise while maximising reliability for sustained sessions. The RTX 3070 Ti operates at a 150W maximum TGP, drawing significant power when pushed. The 14 core processor scales up to its 4.7 GHz turbo under heavy workloads.

Build integration and expandability

The chassis measures 14.10 by 10.90 by 0.98 to 1.02 inches and weighs 5.73 lbs for portable setups. Storage uses a 1 TB M.2 PCIe 4.0 x4 NVMe SSD for fast boot and load times. Memory comprises 16 GB of DDR5 4800MHz dual channel RAM in a 2 x 8 GB configuration. Connectivity includes LAN and WLAN for network flexibility.

Highlights

  • QHD 240Hz display delivers sharp motion
  • 14-core i7-12700H reaches 4.7 GHz turbo
  • RTX 3070 Ti with 8 GB GDDR6 drives high frame rates
  • 16 GB DDR5 4800MHz memory handles heavy multitasking
  • 1 TB PCIe 4.0 NVMe SSD provides fast load times

Specifications

BrandAcer
SeriesACER Predator Helios 300
ModelPH315-55-795C
Part NumberPH315-55-795C-HID1
ColorBlack
Operating SystemWindows 11 Home
CPUIntel® 12th Generation Alder Lake i7-12700H
Screen15.6" QHD
Memory16GB
Storage1 TB M.2 PCIe 3.0 x4 NVMe SSD
Graphics CardNVIDIA® GeForce® RTX™ 3070 Ti
Video Memory8GB
CommunicationLAN and WLAN
Dimensions (W x D x H)14.10" x 10.90" x 0.98"~1.02"
Weight5.73 lbs
CPU TypeIntel Core i7 12th Gen
Processor NameIntel Core i7-12700H
Number of Cores14
Core NameAlder Lake
Turbo FrequencyMax Turbo Frequency 4.7 GHz
CPU L3 Cache24 MB
Screen Size15.6"
TouchscreenNon-Touch Screen
Display TypeQHD
Resolution2560 x 1440
Refresh Rate240Hz
Display Features240Hz, LED Backlight, ComfyView In-plane Switching (IPS) Technology
GPU/VPUGeForce RTX 3070 Ti Laptop GPU
Graphic TypeDedicated Card
SSD1TB
HDDNo
Storage Spec1 TB M.2 PCIe 3.0 x4 NVMe SSD
Memory SpeedDDR5 4800MHz
Memory Spec2 x 8 GB
Memory Slot (Total)2
Memory Slot (Available)0
Max Memory Supported64 GB
LANGigabit Ethernet
WLANIEEE 802.11 a/b/g/n/ac/ax
BluetoothBluetooth® 5.2
USB1x Type-A USB 3.2 Gen 1, 2x Type-A USB 3.2 Gen 2, 1x Type-C USB 3.2 Gen 2
HDMI1 x HDMI
TouchpadMulti-touch Gesture Touchpad
KeyboardBacklight Keyboard
Backlit KeyboardBacklit
Webcam1080P FHD camera
StyleThin and Light
TypeGaming & Entertainment
UsageConsumer
AC Adapter/Charger280W
Battery4 Cell Lithium Ion (Li-Ion)

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Questions about this item

How do I install additional DDR5 4800MHz memory in the laptop and what step do people miss?

Remove the bottom panel, insert the SO-DIMM at an angle until it clicks, then press down firmly; the step most people miss is fully seating the module so both retention clips lock.

When will the 1 TB M.2 PCIe 4.0 x4 NVMe SSD need replacement?

The drive has no moving parts and no scheduled replacement interval; monitor SMART health in Windows and replace only if reallocated sectors or wear-level warnings appear.

What limit appears first during sustained gaming on the RTX 3070 Ti?

The GPU hits its 150 W TGP ceiling, causing clock throttling and rising skin temperatures before the CPU reaches its 4.7 GHz turbo ceiling.

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