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Silver 14 inch HP ProBook 645 G4 laptop with minor scratches and dents

HP

HP ProBook 645 G4 14" Ryzen 5 PRO 2500U 16GB 512GB Silver

SKU CH-A48Y-SFRAQ

A 14-inch business laptop with a Ryzen 5 PRO 2500U quad-core processor, 16 GB DDR4 memory, 512 GB SSD and integrated Radeon Vega 8 graphics running Windows 11 Pro

  • Screen size14.0 in (35.6 cm)
  • ProcessorAMD Ryzen 5 PRO
  • Graphics processorAMD Radeon Vega 8
  • Memory size16 GB
  • SSD storage512 GB
  • Display resolution1366 × 768
  • Quad-core Ryzen 5 PRO 2500U boosts to 3.6 GHz for responsive multitasking
  • 16 GB DDR4-2400 memory keeps many apps open without slowdown
  • 512 GB SSD provides fast boot and ample file storage
  • 14" anti-glare HD screen reduces reflections in bright rooms
  • Windows 11 Pro with Wi-Fi 802.11 and Bluetooth 4.2 connects to peripherals and networks

Ready for office work

The HP ProBook 645 G4 is a 14-inch laptop built around a Ryzen 5 PRO 2500U quad-core processor running at a 2 GHz base frequency with a 3.6 GHz boost. It ships with 16 GB of DDR4-2400 memory and a 512 GB SSD, running Windows 11 Pro out of the box. The integrated Radeon Vega 8 graphics share system memory for everyday visual tasks.

Stepping up from limited memory or hard drives

This configuration replaces machines constrained by 8 GB of RAM or mechanical storage, delivering a noticeable jump in multitasking headroom and boot speed. The upgrade is worth it when your workflow keeps multiple browser tabs, office suites and background services open simultaneously. Buyers who need discrete graphics performance for rendering or gaming will not find it here.

HD panel and single-stream wireless set practical

The 1366 x 768 anti-glare display covers 45% NTSC at 220 cd/m², limiting colour-critical work and side-by-side window clarity. Wireless-AC 3168 provides 1x1 802.11ac connectivity with Bluetooth 4.2, so throughput peaks at single-stream rates. Users needing higher colour fidelity or multi-antenna Wi-Fi should plan accordingly.

How it compares

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

Price $161.99
Cheaper than about 94% of the 32,549 comparable items (median $599.99).
Screen size 14.0 in (35.6 cm)
Lower than about 60% of the 32,085 comparable items (median 15.2 in).
Memory size 16 GB
Typical for this category: the median of 30,127 items is 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
Model nameProBook 645 G4
Part number5KN40PC-I020-RB-
Product colorSilver
Product typeMainstream
Processor
ProcessorAMD Ryzen 5 PRO
CPU coresQuad-core Processor
Processor codenameAMD Ryzen 5 PRO 2500U
Memory
Memory size16 GB
RAM type and speedDDR4 2400
Memory configuration16
Storage
SSD storage512 GB
Hard driveNo
Optical driveNo
Display
Screen size14.0 in (35.6 cm)
Display resolution1366 × 768
Touch inputNo
Graphics
Graphics processorAMD Radeon Vega 8
Video RAMShared system memory
Graphics typeIntegrated Graphics
Audio & video
Speakers2 x Integrated stereo speakers
Web camera720p HD
Connectivity
LAN connection10/100/1000 Mbit/s
Wi-Fi802.11ac Wireless LAN
Bluetooth support4.2
Wired network10/100/1000 Mbit/s
Ports & slots
USB ports1 x USB 3.1 Type-C (Power delivery, DisplayPort 1.4)
1 x USB 3.1 Gen 1 (charging)
2 x USB 3.1 Gen 1
1 x RJ-45
1 x AC power
Video outputs1 x HDMI 1.4
1 x VGA
Audio jacks1 x Headphone/microphone combo
Power
Battery packHP Long Life 3-cell, 48 Wh Li-ion
Software
Operating systemWindows 11 Pro
More details
Pointing deviceMulti Touch
KeyboardClickPad, Spill-resistant with drain

Questions about this item

What size is the 14.0" display on the ProBook 645 G4?

The screen measures 14.0 inches diagonally with a 1366 x 768 HD resolution on an anti-glare SVA panel.

How do I install the single DDR4-2400 module in this laptop?

Power off, remove the base cover screws, locate the SO-DIMM slot, insert the 16 GB stick at an angle until it clicks, then reassemble.

When should I replace the 512 GB SSD in this ProBook 645 G4?

Replace the drive if SMART diagnostics report reallocated sectors, sustained write speeds drop sharply, or Windows 11 Pro shows frequent disk errors.

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