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HP ProDesk 400 G9 SFF Business Desktop, 14th Gen Intel Core i5-14500, 16GB DDR5, 512GB SSD,Wi-Fi, HDMI, DP, RJ-45, Support 2-Monitor 4K, Wired Keyboard & Mouse, Windows 11 Pro, 64GB Flash Drive Bundle

HP ProDesk 400 G9 SFF Business Desktop

Bottom line: The HP ProDesk 400 G9 SFF Business Desktop is a specs-and-price decision rather than a crowd-consensus one in the home ai / computer lab category, priced around $849.00 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$849.00

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Buy on Amazon — $849.00 Compare to similar home ai / computer lab

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Before you buy

  • Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

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SpecPicks Verdict

SpecPicks scored HP ProDesk 400 G9 SFF Business Desktop using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the home ai / computer lab category. Compare with similarly-priced alternatives in the home ai / computer lab category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for home ai / computer lab of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • [Superior Storage and Multitasking] 16GB High-Bandwidth DDR5 RAM is equipped to smooth multitasking across applications and browser tabs; 512GB PCIe NVMe M.2 Solid State Drive ensures fast bootups and rapid data transfers
  • [Ultimate Multitasking]Powered by Intel Core i5-14500 (14 Cores, 20 Threads, 24MB L3 Cache, Base Frequency at 2.6 GHz, Up to 5.0 GHz at Max Turbo Frequency), delivering reliable and responsive performance for everyday computing with Intel UHD Graphics
  • [Technical Specifications] 8 x USB Type-A, 2 x USB Type-C, 2 x Mic-In/Headphone-Out Combo, 1 HDMI-in, 1 x RJ45, 1 x Full Size DP Port and Wi-Fi ports make it easy to connect external displays and peripherals for seamless productivity.
  • [Outstanding Screen Performance] Windows 11 Pro - Organize open apps with pre-configured layouts to optimize productivity, Navigate with more intuitive experience to get things done, Collaborate with teams with more features
  • [Professional Upgrade] The original seal has been opened solely for upgrading purposes. A 1-year warranty on the upgraded RAM/SSD is provided by PCOnline US, while the remaining components retain the original 1-year manufacturer's warranty
  • [Comprehensive Performance Bundle] Bundle includes A-DATA UC310 64GB USB Flash Drive (White), providing convenient, high-speed data storage and transfer. Perfect for backing up files, sharing documents, and expanding portable storage for work, study, or travel.

Full Specifications

BrandHP
ColorBlack
TurboYes
RAM TypeDDR5 RAM
CPU ModelCore i5
CPU Speed2.6 GHz
Cache Size16 GB
Model NameA70PJUT#ABA
Model Year2024
Resolution3840 x 2160
Style NameProDesk
Unit Count1 Count
Aspect Ratio16:9
ConnectivityUSB, WiFi
Display TypeExternal UHD
Memory Speed4800 MHz
Model NumberA70PJUT#ABA
Video OutputHDMI, DisplayPort
Built-In MediaMouse
Cooling MethodAir
Full listing titleHP ProDesk 400 G9 SFF Business Desktop, 14th Gen Intel Core i5-14500, 16GB DDR5, 512GB SSD,Wi-Fi, HDMI, DP, RJ-45, Support 2-Monitor 4K, Wired Keyboard & Mouse, Windows 11 Pro, 64GB Flash Drive Bundle

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the Intel Core i5-14500 — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Ready to buy?

HP ProDesk 400 G9 SFF Business Desktop, 14th Gen Intel Core i5-14500, 16GB DDR5, 512GB SSD,Wi-Fi, HDMI, DP, RJ-45, Support 2-Monitor 4K, Wired Keyboard & Mouse, Windows 11 Pro, 64GB Flash Drive Bundle is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $849.00

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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HP ProDesk 400 G9 SFF Business Desktop, 14th Gen Intel Core i5-14500, 16GB DDR5, 512GB SSD,Wi-Fi, HDMI, DP, RJ-45, Support 2-Monitor 4K, Wired Keyboard & Mouse, Windows 11 Pro, 64GB Flash Drive Bundle
$849.00
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