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Black Acer Predator Helios 300 15.6 inch gaming laptop with QHD display

Acer America

Acer America Predator Helios 300 PH315-55-795C-HID9P gaming laptop

SKU CH-VX2E-7R5A6

15.6-inch QHD 240Hz gaming laptop with Intel i7-12700H 14-core processor, RTX 3070 Ti 8GB GDDR6, 32GB DDR5 4800MHz RAM and 8TB NVMe SSD

  • ColorBlack
  • Operating SystemWindows 11 Pro
  • CPUIntel® 12th Generation Alder Lake i7-12700H
  • Screen15.6" QHD
  • Memory32GB
  • Storage8 TB M.2 PCIe 3.0 x4 NVMe SSD

Operating System Windows 11 Pro

Memory 32GB

SSD|Option 8 TB|QHD

  • 14-core i7-12700H reaches 4.7 GHz turbo for heavy workloads
  • RTX 3070 Ti with 8 GB GDDR6 drives high-frame-rate gaming
  • 6-inch QHD 240 Hz IPS panel delivers smooth visuals
  • 32 GB DDR5 4800 MHz memory handles multitasking with ease
  • 8 TB PCIe 3.0 x4 NVMe storage provides vast capacity

15.6-inch QHD 240Hz gaming laptop

The Acer Predator Helios 300 PH315-55-795C-HID9P pairs a 12th Gen Intel Core i7-12700H with an NVIDIA GeForce RTX 3070 Ti for high-frame-rate play at 2560 x 1440 resolution. Fourteen cores and twenty threads handle heavy workloads alongside gaming. Thirty-two gigabytes of DDR5 4800MHz memory and eight terabytes of NVMe storage complete the platform. Windows 11 Pro is pre-installed.

Thermals, noise and power draw

Upgraded thermal interface materials applied during customisation lower system temperatures and reduce throttling during sustained CPU and GPU loads. The RTX 3070 Ti operates at a 150W maximum TGP with a 1510MHz boost clock, so fan speeds stay controlled in typical sessions. Burn-in stress testing verifies stable behaviour before shipment. The 14.10 x 10.90 x 0.98~1.02 inch chassis dissipates heat without excessive acoustic output.

Build integration

Dual-channel DDR5 and dual NVMe drives leave no empty slots, freeing the owner from immediate upgrade work. LAN and WLAN connectivity cover wired and wireless networks without extra adapters. At 5.73 lbs the notebook remains portable for LAN events or desk moves. The 15.6-inch 240Hz IPS panel eliminates the need for an external high-refresh monitor in most scenarios.

Highlights

  • 14-core i7-12700H reaches 4.7 GHz turbo for heavy workloads
  • RTX 3070 Ti with 8 GB GDDR6 drives high-frame-rate gaming
  • 6-inch QHD 240 Hz IPS panel delivers smooth visuals
  • 32 GB DDR5 4800 MHz memory handles multitasking with ease
  • 8 TB PCIe 3.0 x4 NVMe storage provides vast capacity

Specifications

BrandAcer
SeriesACER Predator Helios 300
ModelPH315-55-795C
Part NumberPH315-55-795C-HID9P
ColorBlack
Operating SystemWindows 11 Pro
CPUIntel® 12th Generation Alder Lake i7-12700H
Screen15.6" QHD
Memory32GB
Storage8 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
SSD8TB
HDDNo
Storage Spec8 TB (2 x 4 TB) M.2 PCIe 3.0 x4 NVMe SSD
Memory SpeedDDR5 4800MHz
Memory Spec2 x 16 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)

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I add a third M.2 NVMe SSD to the PH315-55-795C, and which step do people miss?

Remove the bottom panel, insert the drive into the empty M.2 PCIe 3.0 x4 slot at an angle, then secure it with the screw; the step often missed is re-enabling the new volume in Windows Disk Management before it appears in File Explorer.

Which component in this Helios 300 will need replacement first under heavy daily use?

The 150 W RTX 3070 Ti and i7-12700H share a vapor-chamber cooler; the thermal interface material on both dies dries out after roughly two years, causing higher core temperatures and fan noise until repasted.

What hardware limit appears first during a long gaming session on the 240 Hz QHD panel?

The GPU hits its 150 W max TGP and 1510 MHz boost ceiling, so frame rates plateau while the CPU still has headroom at 4.7 GHz turbo.

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