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Silver HP 15z-ef100 laptop closed showing 15.6 inch HD display and silver finish

HP

HP 15z-ef100 laptop Athlon Gold 3150U 8GB 128GB SSD 15.6" HD Silver Win 11

SKU CH-0K31-8RC92

A 15.6-inch HD laptop with AMD Athlon Gold 3150U processor, 8GB DDR4 memory, 128GB SATA SSD and Windows 11 Home

  • ColorSilver
  • Operating SystemWindows 11 Home
  • CPU TypeAMD Athlon Gold
  • Processor Name2.40GHz
  • Turbo Frequency3.3 GHz
  • CPU L3 Cache4MB Cache
  • AMD Athlon Gold 3150U reaches 3.3 GHz turbo for responsive everyday tasks
  • 8GB DDR4 memory keeps multiple apps running smoothly
  • 128GB SATA SSD boots Windows 11 Home in seconds
  • 6 inch HD display at 60Hz shows clear visuals
  • Wi‑Fi 802.11ac plus Bluetooth 4.2 connect peripherals wirelessly

Everyday laptop for home and office

The HP 15z-ef100 is a 15.6-inch Windows 11 Home notebook built around an AMD Athlon Gold 3150U dual-core processor that runs at 2.40 GHz and can boost to 3.3 GHz. Eight gigabytes of DDR4 memory and a 128 GB SATA SSD keep web browsing, document editing and video calls responsive. Integrated Radeon graphics drive the 1366 x 768 60 Hz display for standard productivity tasks.

Silver chassis with practical ports

A natural silver finish covers a 3.75 lb body measuring 14.11 by 9.53 by 0.71 inches. The hinge opens to a non-touch WLED panel. Connectivity includes 802.11ac Wi-Fi and Bluetooth 4.2. Physical ports comprise one USB 3.1 Gen1 Type-A, one USB 3.1 Type-C Gen1, one HDMI output, an SD card reader and a headset jack. A 45 W adapter charges the 3-cell 41 Whr battery.

Step up from slower storage or less memory

This configuration replaces machines that rely on mechanical hard drives or only 4 GB of RAM, delivering noticeably quicker boot and application load times. The jump is worth it for students, remote workers and families who need a reliable all-day companion for cloud apps, streaming and light multitasking. Buyers who want more storage or a higher-resolution screen should consider other models.

Highlights

  • AMD Athlon Gold 3150U reaches 3.3 GHz turbo for responsive everyday tasks
  • 8GB DDR4 memory keeps multiple apps running smoothly
  • 128GB SATA SSD boots Windows 11 Home in seconds
  • 6 inch HD display at 60Hz shows clear visuals
  • Wi‑Fi 802.11ac plus Bluetooth 4.2 connect peripherals wirelessly

Specifications

BrandHP
Series15z-ef100
ColorSilver
Operating SystemWindows 11 Home
CPU TypeAMD Athlon Gold
Processor Name2.40GHz
Turbo Frequency3.3 GHz
CPU L3 Cache4MB Cache
Screen Size15.6"
TouchscreenNon-Touch Screen
Resolution1366 x 768
GPU/VPUAMD Radeon Graphics
Graphic TypeIntegrated Card
SSD128GB
HDDNo
Storage Spec128GB SATA SSD
Memory8GB
Memory SpeedDDR4
Optical Drive TypeNo
WLAN802.11a/b/g/n/ac
BluetoothBluetooth 4.2
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
Backlit KeyboardNon-backlit
Other Input DevicesNo
WebcamYes
Card ReaderYes
StyleStandard
TypeWork / Business

Questions about this item

What real-world speed does the USB 3.1 Gen 1 interface cap at on this laptop?

The USB 3.1 Gen 1 ports on the HP 15z-ef100 operate at up to 5 Gbps, which is the standard ceiling for that generation.

What are the exact dimensions and weight I need to clear for a sleeve or backpack pocket?

The chassis measures 14.11 in wide, 9.53 in deep and 0.71 in high, weighing 3.75 lb.

How do I perform a clean Windows 11 Home install on the 128 GB SATA SSD, and what step is commonly missed?

Boot from a Windows 11 USB, choose Custom install and select the 128 GB SATA SSD; the step often missed is letting Windows create its own system partitions instead of manually partitioning.

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