Is the secondary M.2 slot available for storage, or are these units WWAN equipped?

These are mixed batches, since secondary storage is optional upgrade.

does this support wifi 6?

Yes. The HP EliteBook 645 G9 supports Wi‑Fi 6 (802.11ax), and many configurations were offered with Wi‑Fi 6E support as well. HP's official QuickSpecs list "gigabit-speed Wi‑Fi 6E" wireless options for the EliteBook 645 G9

What are the dimensions and weight of the HP EliteBook 645 G9 Laptop?

The dimensions of the HP EliteBook 645 G9 Laptop are 12.65" x 8.35" x 0.82", and it weighs 3.3 lbs.

What is the processor type and how many cores does it have?

The processor type is AMD Ryzen 5 PRO 5675U, and it has 6 cores.

Home
Computer Systems
Laptop / Notebook
All Laptop
HP
Item#: 9SIA4R8M5W4486

Auusda 15.6" Laptop Computer, AMD Ryzen 5 6600U up to 4.5GHz, 12GB LPDDR5 RAM 1TB NVMe SSD, Windows 11 Pro Business Laptop, Backlight Keyboard, Face Unlock, Silver

$569^.99 –
Save: 38%

$399^.99

Free 30-day Returns

Limit 99999 per customer.

Sold by BuyCoolGadgets

Top Rated

4 (347 seller ratings)

Shipped by BuyCoolGadgets

Price alert

Add to Wish List

Best Sellers

Your EPower

4.5 (698 total ratings)

$719^.99
+ FREE SHIPPING

Meet Your Seller

BuyCoolGadgets

See Seller Store

More Resources

Laptop Buying Guides

Understanding Copilot+ PCs and the AI Laptop Revolution

Laptop Processor Showdown: Intel vs AMD

RTX 50 Series Breakthrough in Gaming Laptops

Space-Saving Desktop PC Solutions

Laptop Buying Guide: How to Choose the Right Laptop

Main image of HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Alt view image 2 of 7 - HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Alt view image 3 of 7 - HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Alt view image 4 of 7 - HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Alt view image 5 of 7 - HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Alt view image 6 of 7 - HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Alt view image 7 of 7 - HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Shop All HP Products | Visit BuyCoolGadgets Store

HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

REFURBISHED

(5) Write a Review

Option: AMD Ryzen 5 PRO 5675U 16GB RAM 256GB SSD

AMD Ryzen 5 PRO 5675U 16GB RAM 256GB SSD
AMD Ryzen 5 PRO 5675U 32GB RAM 256GB SSD

AMD Ryzen 5 Pro 5675U (2.30 GHz)
16GB Memory 256GB SSD
AMD Radeon Graphics
14.0" FHD 1(920 x 1080)
Windows 11 Pro

Overview

Specs

Reviews (5)

See all Q & A

Any questions? Ask Celeste^SM will help you find out quickly.

Try me now

Model
Brand	HP
Series	EliteBook
Model	645 G9
Color	Silver
Cosmetic Condition	Grade A (Excellent)

Operating System
Operating System	Windows 11 Pro

CPU
CPU Type	AMD Ryzen 5 5000 Series
Processor Name	AMD Ryzen 5 PRO 5675U
Number of Cores	6-core Processor
CPU L3 Cache	16 MB

Display
Screen Size	14"
Touchscreen	Non-Touch Screen
Wide Screen Support	Yes
Resolution	1920 x 1080

Graphics
GPU/VPU	AMD Radeon Graphics
Video Memory	Shared system memory
Graphic Type	Integrated Card

Storage
SSD	256GB

Memory
Memory	16GB

Ports
USB	3 x USB 3.2 Type-A
HDMI	1 x HDMI
Ethernet	1 x RJ-45
Audio Ports	1 x Headphone/Microphone Combo Jack

Input Device
Webcam	Yes

General
Style	Thin and Light
Type	Workstation
Usage	Business

Dimensions & Weight
Dimensions (W x D x H)	12.65" x 8.35" x 0.82"
Weight	3.3 lbs.

Features
Package Content	1x refurbished Laptop, 1x Power Adapter

Additional Information
First Listed on Newegg	September 03, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
CONTACT

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by BuyCoolGadgets Return Policy

Manufacturer Contact Info

For a directory of all our manufacturers, please click below.
Manufacturers Directory

Best Sellers

Meet Your Seller

HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Refurbished

Learn more about the HP 645 G9

Customer Reviews of the HP 645 G9

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: 9SIA4R8M5W4486

Best Sellers

Meet Your Seller

HP EliteBook 645 G9 Laptop AMD Ryzen 5 Pro 5675U 16GB Memory 256GB SSD 14.0" FHD Windows 11 Pro

Refurbished

Learn more about the HP 645 G9

Customer Reviews of the HP 645 G9

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info