HP Elite Mini 800 G9

Published on May 17, 2026

The HP Elite Mini 800 G9 is HP’s enterprise answer to the 1-liter mini PC, taking a desktop-class 24-core Intel Core i9-14900T and stuffing it into a chassis no bigger than a stack of paperbacks. Where most consumer mini PCs in this size class top out at U-series mobile chips or 8-core Ryzen parts, the 800 G9 brings full desktop Raptor Lake silicon (in low-power T-suffix form) along with DDR5-5600 memory, dual M.2 storage, and HP’s vPro-backed Sure suite of firmware security. That combination makes it less a Beelink/Minisforum competitor and more a 3.1 lb workstation aimed at IT departments who want to deploy a real i9 behind every monitor on the floor. The trade-offs are real: this is a business product priced like one, the I/O is conservative for 2026 (no Thunderbolt, no USB4, only Gigabit Ethernet), and the supplied 120W brick is the limit of how much sustained power the chassis can dissipate. But for fleet buyers, AutoCAD operators, or anyone who needs a 24-core CPU on a VESA mount, very little else competes on raw cores per liter.

Pros and Cons of the HP Elite Mini 800 G9

HP Elite Mini 800 G9 Comparison Chart

	HP Elite Mini 800 G9	HP Elite Mini 800 G9	HP Elite Mini 800 G9
Price	List Price: $1,349.00 Amazon Prices: Loading prices...	List Price: $1,419.00 Amazon Prices: Loading prices...	List Price: $1,629.00 Amazon Prices: Loading prices...
Version	16GB/512GB/i9-14900T	16GB/1TB/i9-14900T	32GB/1TB/i9-14900T
Performance Rating	9.0	9.0	9.7
Operating System	Windows 11 Pro	Windows 11 Pro	Windows 11 Pro
Processor	Twenty-four-core 1.10 Ghz (max 5.50 Ghz) Intel Core i9-14900T	Twenty-four-core 1.10 Ghz (max 5.50 Ghz) Intel Core i9-14900T	Twenty-four-core 1.10 Ghz (max 5.50 Ghz) Intel Core i9-14900T
GPU	Integrated Intel UHD Graphics 770	Integrated Intel UHD Graphics 770	Integrated Intel UHD Graphics 770
RAM	16 GB DDR5 SO-DIMM, 2-channel (DDR5-5600 SODIMM, dual-channel)	16 GB DDR5 SO-DIMM, 2-channel (DDR5-5600 SODIMM, dual-channel)	32 GB DDR5 SO-DIMM, 2-channel (DDR5-5600 SODIMM, dual-channel)
Internal Storage	512 GB PCIe NVMe SSD	1 TB PCIe NVMe SSD	1 TB PCIe NVMe SSD
Dimensions width x length x thickness	6.97 x 6.89 x 1.35 inches (177.04 x 175.01 x 34.29 mm)	6.97 x 6.89 x 1.35 inches (177.04 x 175.01 x 34.29 mm)	6.97 x 6.89 x 1.35 inches (177.04 x 175.01 x 34.29 mm)
Weight	3.13 lbs (1.42 kg)	3.13 lbs (1.42 kg)	3.13 lbs (1.42 kg)
WiFi	Wi-Fi 6 (802.11ax)	Wi-Fi 6 (802.11ax)	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.2	Bluetooth 5.2	Bluetooth 5.2
Ethernet	1 Ethernet port at 1 Gbps	1 Ethernet port at 1 Gbps	1 Ethernet port at 1 Gbps
HDMI	1 Full-Size HDMI Port	1 Full-Size HDMI Port	1 Full-Size HDMI Port
DisplayPort	2 DisplayPorts (Rear: 2x DisplayPort 1.4)	2 DisplayPorts (Rear: 2x DisplayPort 1.4)	2 DisplayPorts (Rear: 2x DisplayPort 1.4)
VGA	No VGA Ports	No VGA Ports	No VGA Ports
USB Ports	5 USB 3, 1 USB-C Front: 1x USB-C 20Gbps, 2x USB-A 10Gbps (1 charging). Rear: 3x USB-A 10Gbps.	5 USB 3, 1 USB-C Front: 1x USB-C 20Gbps, 2x USB-A 10Gbps (1 charging). Rear: 3x USB-A 10Gbps.	5 USB 3, 1 USB-C Front: 1x USB-C 20Gbps, 2x USB-A 10Gbps (1 charging). Rear: 3x USB-A 10Gbps.
Thunderbolt Ports	No	No	No
OCuLink	No	No	No
Internal SATA Ports	No SATA ports	No SATA ports	No SATA ports
Card Reader	No Card Reader	No Card Reader	No Card Reader
Headphone Jack	combo	combo	combo
Fanless	No	No	No
VESA Mount	Yes	Yes	Yes
In the Box	HP Elite Mini 800 G9, 120W external power adapter, HP Wired Desktop 320K keyboard, HP Wired Desktop 125 mouse	HP Elite Mini 800 G9, 120W external power adapter, HP Wired Desktop 320K keyboard, HP Wired Desktop 125 mouse	HP Elite Mini 800 G9, 120W external power adapter, HP Wired Desktop 320K keyboard, HP Wired Desktop 125 mouse
Expandability	Up to 64GB DDR5-5600 (2x SODIMM). 2x M.2 2280 PCIe Gen4. Optional rear Flex Port (HDMI, DP, VGA, or USB-C).	Up to 64GB DDR5-5600 (2x SODIMM). 2x M.2 2280 PCIe Gen4. Optional rear Flex Port (HDMI, DP, VGA, or USB-C).	Up to 64GB DDR5-5600 (2x SODIMM). 2x M.2 2280 PCIe Gen4. Optional rear Flex Port (HDMI, DP, VGA, or USB-C).

Detailed Insights into the HP Elite Mini 800 G9

The 800 G9 measures 6.97 by 6.89 by 1.35 inches and weighs 3.13 pounds, which puts it squarely in the ServeTheHome TinyMiniMicro 1-liter size class alongside the Lenovo ThinkCentre M-series and Dell OptiPlex Micro. The chassis is the same textured-black HP business styling used across the Elite/EliteDesk line: ridged top panel for passive airflow, ventilated sides, a silver HP front bezel with chrome HP logo, and a single optional Flex Port cutout on the rear that can be configured at order time with HDMI, DisplayPort, VGA, or USB-C. The standard rear cluster carries 1x HDMI 2.1, 2x DisplayPort 1.4, 3x USB-A 10Gbps, the RJ-45 Gigabit jack, and the DC barrel. Front controls are a recessed power button with status LED, a combo 3.5mm jack, 2x USB-A 10Gbps (one charging), and a single USB-C 20Gbps. VESA mounting is supported out of the box.

Inside, the i9-14900T is the same Raptor Lake Refresh silicon that powers HP’s mid-tower workstations, derated to a 35W base power envelope for the 1L chassis (with a 106W maximum turbo power that the cooler will only sustain in short bursts). You get 8 Performance cores plus 16 Efficient cores for 24 cores and 32 threads, with up to 5.5GHz on the P-cores and a 36MB shared L3 cache. PassMark places the 14900T around 38,500 on its multi-thread CPU benchmark, which is comparable to a Ryzen 9 7945HX laptop chip and roughly double what most 1-liter mini PCs deliver. Real-world workloads where this matters are heavy spreadsheet recalculation, compilation, virtualization with several VMs running concurrently, or running multiple browser-based SaaS apps under a Citrix/Horizon session without slowdowns. Sustained creator workloads (long 4K renders, heavy Blender scenes) will hit thermal limits before they hit clock limits, but the chip’s E-core density means background work stays smooth.

Connectivity is the spec sheet’s weakest column. WiFi 6 (Intel AX211 in the configurations listed by HP and consistent across all three Amazon SKUs), Bluetooth 5.2, and a single Gigabit Ethernet port are the standard wireless and wired loadout. The optional rear Flex Port can be ordered with a 2.5GbE NIC instead of a video output, which is the workaround HP suggests for higher-throughput LAN environments. Storage expansion is genuinely useful: HP documents two M.2 2280 PCIe Gen4 slots inside the chassis, both of which can take full-size NVMe drives. Memory is 2x SODIMM DDR5-5600, officially supporting up to 64GB. There is no 2.5-inch SATA bay on the i9 configurations (the larger heatsink reclaims that space), no OCuLink, and no Thunderbolt; the front USB-C is a USB 3.2 Gen 2x2 port at 20 Gbps rather than the 40 Gbps USB4 that consumer Mini PCs in this price band increasingly include.

Reviewer Insights on the HP Elite Mini 800 G9

The 800 G9 chassis has been covered extensively by the enterprise mini-PC community, most notably as part of ServeTheHome’s long-running Project TinyMiniMicro series that benchmarks each generation of HP, Lenovo, and Dell 1-liter desktops against each other. The consistent finding across those reviews of the 800 G9 platform is that the chassis is one of the better-cooled 1-liter designs on the market, with the chip dropping to its long-term sustained power floor (typically 35-45W on the T-suffix parts) without thermally throttling under load, but that none of the configurations meaningfully outrun what an equivalent Lenovo ThinkCentre M90q can do at the same TDP. The 14th-generation Raptor Lake Refresh refresh of the 800 G9 swaps in newer i7-14700T and i9-14900T parts on the same motherboard with the same I/O loadout as the earlier 13th-generation models that ServeTheHome’s video reviews covered; the chassis story has not changed meaningfully, so older 800 G9 platform reviews still apply.

For the i9-14900T specifically, third-party benchmarks of the bare chip (PassMark, NotebookCheck, and the various HP partner spec sheets) suggest that the 1-liter chassis cooler is the binding constraint rather than the silicon. Multi-threaded workloads see roughly a 15-20% performance gap between the 35W i9-14900T running in this chassis and the same 14900T mounted in a larger 65W desktop. That gap is real but it is also the cost of admission for getting 24 cores into 1 liter, and is essentially identical to the gap Lenovo and Dell quote on competing 1L i9 mini PCs. We have not been able to verify a hands-on review of the specific 14th-gen i9-14900T 800 G9 SKU that ships from these Amazon listings, so the analysis here leans on HP’s published QuickSpecs and the platform reviews of the same chassis with prior-generation processors.

Customer Reviews of the HP Elite Mini 800 G9

Across the three 14th-gen i9-14900T ASINs on Amazon (16GB/512GB, 16GB/1TB, and 32GB/1TB), the listings share a 4.2 out of 5 star aggregate based on roughly 57 reviews at time of writing. Recurring positive themes include first-boot setup speed (“a breeze to bring online”), the compact footprint that frees up desk space, and the sheer responsiveness of a 24-core chip on standard productivity workloads (“powerful little beast” for large Excel spreadsheets is a representative comment). Several reviewers specifically called out that they planned to buy additional units for their business, which is the buyer-segment HP is targeting.

The negative feedback is thinner but consistent in flavor: a handful of older reviewers mentioned a learning curve coming from older Windows 7 and Windows 10 hardware, and one buyer noted a peripheral compatibility issue with an older printer that they were still troubleshooting. There were no consistent complaints about thermals, throttling, fan noise, or build quality in the published Amazon reviews, which lines up with the platform reputation HP has built with the EliteDesk Mini line over several generations.

Overall, customer sentiment skews positive, but the review count is modest enough that you should weight the platform-level reputation of the 800 G9 chassis more heavily than the per-SKU star count when making a buying decision.

Conclusion

The HP Elite Mini 800 G9 with the 14th-gen i9-14900T is the answer to a specific question: how do I get a 24-core Intel desktop CPU behind every monitor in a fleet deployment without giving up VESA mounting or HP’s enterprise security stack? If that is the question you are asking, this is one of the very few 1-liter machines on the market that can answer it. The DDR5 memory, dual M.2 storage, and vPro-grade firmware management make it a credible workstation for engineering, CAD, finance, and developer tooling roles where 24 cores actually move the needle.

If that is not the question you are asking, look elsewhere. Consumer-focused 1L mini PCs in the GMKtec and Beelink tiers offer USB4, faster Ethernet, WiFi 7, OCuLink, and a much more generous out-of-box ports loadout for substantially less money, at the cost of giving up HP’s fleet-management story and Pro-level firmware features. Creators who need GPU horsepower will be far better served by a mini PC with integrated AMD Radeon 880M or 890M graphics, or by stepping up entirely to an HP Z2 Mini G1a for genuine workstation-class GPU performance.

For those comparing options, see our Mini PC Comparison Chart to find the best match for your needs.

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