HP Pro Mini 400 G9 device auction prices

As of 6 November 2026, hammerhistory.com has recorded 17 auction sales of the HP Pro Mini 400 G9 device with a published hammer price, closed between 14 November 2025 and 6 November 2026, on 4 auction sites in 3 countries. The middle half of the sales fetched EUR 250 to EUR 800, with a median of about EUR 300 (rounded, in euros, before the buyer's premium). One sale is free to read: a HP Pro Mini 400 G9 device sold for EUR 240 on 14 November 2025.

Known on 4 auction sites 17 sold with a price 0 at auction now 17 seen at auction

16 hammer prices are locked. See what every HP Pro Mini 400 G9 really sold for and know a fair price before you bid. Pay once, open at once, new sales included for a year.

EUR 9one payment, a year of sales

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All sales 17

Sold	Built	Hours	Auction house	Place	Photos	Hammer price
2025-11-14 Matériel btp, informatique,	unknown	unknown	cjencheres.fr	FR	1	EUR 240 FREE
2026-11-06 HP Pro Mini 400 G9 Desktop (3x)	unknown	unknown	Auction house	NL	9	in the report
2026-11-06 HP Pro Mini 400 G9 Desktop (3x)	unknown	unknown	Auction house	NL	8	in the report
2026-11-06 HP Pro Mini 400 G9 Desktop (3x)	unknown	unknown	Auction house	NL	12	in the report
2026-11-06 HP Pro Mini 400 G9 Desktop (3x)	unknown	unknown	Auction house	NL	9	in the report
2026-11-06 HP Pro Mini 400 G9 Desktop (2x)	unknown	unknown	Auction house	NL	11	in the report
2026-11-03 HP Pro Mini 400 G9 12th Gen Intel Core i5 (12500T) 2.00GHz-4.40GHz 6-C…	unknown	unknown	Auction house	AU	1	in the report
2026-11-03 HP Pro Mini 400 G9 12th Gen Intel Core i5 (12500T) 2.00GHz-4.40GHz 6-C…	unknown	unknown	Auction house	AU	1	in the report
2026-11-03 HP Pro Mini 400 G9 12th Gen Intel Core i5 (12500T) 2.00GHz-4.40GHz 6-C…	unknown	unknown	Auction house	AU	1	in the report
2026-11-03 HP Pro Mini 400 G9 12th Gen Intel Core i5 (12500T) 2.00GHz-4.40GHz 6-C…	unknown	unknown	Auction house	AU	1	in the report
2026-09-27 Unité centrale mini Tour - Parfaitement fonctionnel - Très bon état - …	unknown	unknown	Auction house	FR	9	in the report
2026-09-25 HP PRO Mini 400 G9 Computer	unknown	unknown	Auction house	NL	8	in the report
2026-09-16 HP Pro Mini 400 G9, Core(TM) i5 13th Gen, 16GB RAM, 512GB NVMe Mini De…	unknown	unknown	Auction house	NL	7	in the report
2026-09-16 HP Pro Mini 400 G9, Core(TM) i5 13th Gen, 16GB RAM, 512GB NVMe Mini De…	unknown	unknown	Auction house	NL	7	in the report
2026-09-16 HP Pro Mini 400 G9, Core(TM) i5 13th Gen, 16GB RAM, 512GB NVMe, Intel …	unknown	unknown	Auction house	NL	7	in the report
2025-11-14 Matériel btp, informatique,	unknown	unknown	Auction house	FR	1	in the report
2025-11-14 Matériel btp, informatique,	unknown	unknown	Auction house	FR	1	in the report

Click a sale to see that device with its photos and details. A hammer price under EUR 100 is free to read.

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HP Pro Mini 400 G9

IT, phones and consumer electronics

The HP Pro Mini 400 G9 is a small form factor desktop computer designed for business use, built around Intel desktop processors from the 12th and 13th generations. It is a compact unit intended for office environments where desk space is limited, often mounted behind monitors. It sits in HP's Pro business line, offering standard manageability and security features aimed at corporate IT deployment.

Built

since 2022

Replaced

Pro Mini 400 G8

Replaced by

Pro Mini 400 G10

We recognise this model across the auction sites and keep every one we see together.

On a used one

Check the condition of the internal storage drive and RAM configuration, as these were specified in various tiers. Confirm the power adapter is included and test all ports, since small form factor units rely on proprietary external power bricks.

About HP

HP, short for Hewlett Packard, is an American technology company founded in Palo Alto, California. It is widely known for personal computers, laptops, monitors and printers used in business and home environments, with its EliteBook and ProBook lines being common in corporate fleets. The company also produces printing and imaging equipment used in graphic and office applications.

Founded 1939 · Palo Alto, United States

All HP models

What the HP Pro Mini 400 G9 fetched

EUR 250 to 800

Middle half from250

Median300

to800

The middle half of 17 recorded sales, rounded, in euros, before the buyer's premium. Each sale's own price opens with the sale.

17sold with a price

0at auction now

4auction sites

3countries

16 more hammer pricesin the report · EUR 9 once

sold, price lockedfree to read

Questions about HP Pro Mini 400 G9 auction prices

What does a HP Pro Mini 400 G9 sell for at auction?

In the 17 auction sales we recorded, the middle half fetched EUR 250 to EUR 800, with a median of about EUR 300. These are rounded hammer prices in euros, before the buyer's premium and VAT; what one machine fetches depends on its year, hours and condition, which the table shows next to each sale.

How many HP Pro Mini 400 G9 auction sales are on record?

17 sales with a published hammer price, closed between 14 November 2025 and 6 November 2026, on 4 auction sites in 3 countries. 0 more closed without a sale.

Is a HP Pro Mini 400 G9 at auction now?

Not at the moment. The lots of this model that come to auction appear on this page while they are open, and every sale that closes with a price is added to the table.

Are the HP Pro Mini 400 G9 hammer prices free to read?

The oldest sale of every model is free to read, and so is every hammer price under the site's floor. The other 16 hammer prices of the HP Pro Mini 400 G9 open with an account: every sale of the model for a year, or one sale on its own.

Hammer prices are what the auction house recorded when the lot closed, before the buyer's premium, in the currency of the sale. A sale listed on a house's own site and on its platform counts once. Doubt a figure? Open the sale and its listing is linked there. How prices are recorded.