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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

  • Screen size15.6 in (39.6 cm)
  • ProcessorAMD Athlon Gold
  • Graphics processorAMD Radeon Graphics
  • Memory size8 GB
  • SSD storage128 GB
  • Display resolution1366 × 768
  • 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.

How it compares

Measured against everything we stock in Standard Laptops & Notebooks, at today’s prices. Recalculated every night.

Price $257.99
Cheaper than about 88% of the 32,549 comparable items (median $599.99).
Screen size 15.6 in (39.6 cm)
Higher than about 60% of the 32,085 comparable items (median 15.2 in).
Memory size 8 GB
Lower than about 80% of the 30,127 comparable items (median 16 GB).

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 nameHP
Product line15z-ef100
Product colorSilver
Design styleStandard
Product typeWork / Business
Processor
ProcessorAMD Athlon Gold
Processor model2.4 GHz
Turbo clock speed3.3 GHz
L3 cache size4 MB Cache
Memory
Memory size8 GB
RAM type and speedDDR4
Storage
SSD storage128 GB
Hard driveNo
Storage configuration128 GB SATA SSD
Optical driveNo
Display
Screen size15.6 in (39.6 cm)
Display resolution1366 × 768
Touch inputNon-Touch Screen
Graphics
Graphics processorAMD Radeon Graphics
Graphics typeIntegrated Card
Audio & video
Web cameraYes
Connectivity
Wi-Fi802.11a/b/g/n/ac
Bluetooth support4.2
Ports & slots
HDMI ports1 x HDMI
Audio jacks1 x Headphone/Microphone Combo Jack
Memory card readerYes
Software
Operating systemWindows 11 Home
More details
Keyboard backlightNon-backlit
Extra input devicesNo

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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