Reatan X7 Review: A Ryzen 7 H 255 Mini PC with 64GB, OCuLink and Wi-Fi 7
The Reatan X7 packs AMD’s Ryzen 7 H 255 and Radeon 780M graphics with 64GB of DDR5, a 2TB SSD, an OCuLink port, two USB4 ports and Wi-Fi 7. It is one of the best-equipped Radeon 780M mini PCs on paper; the open questions are a young brand and what the 780M can really do in games.
In short
7.8 / 10
The Reatan X7 is a well-equipped Ryzen 7 mini PC with rare upgrade options: 64GB of upgradeable DDR5, two SSD slots and an OCuLink port for a future desktop graphics card. Buy it for 1080p esports, office work, light editing and a later eGPU upgrade; skip it if you want an NPU for Windows AI features or the reassurance of an established brand.
What changed in this update (Oct 8, 2026)
We rewrote this review as a specifications and benchmark analysis: the earlier version presented performance figures as our own tests, which they were not. We corrected the gaming expectations, removed an NPU claim (the Ryzen 7 H 255 has none), removed fixed prices, replaced the comparison with models we cover, and moved the score to our 10-point scale (7.8/10).
What the Ryzen 7 H 255 is
A 2025 refresh of the Ryzen 7 8745HS: 8 Zen 4 cores, Radeon 780M graphics, no NPU.
The Ryzen 7 H 255 belongs to AMD’s Ryzen 200 series, which renames the Hawk Point chips first sold as Ryzen 8040. It has 8 cores and 16 threads up to 4.9GHz, 16MB of L3 cache and the Radeon 780M with 12 compute units up to 2.6GHz. Mini PC makers can run it from 35W to 54W, and most desktop boxes use the top of that range.
No NPU, not a Copilot+ PC
The “H” versions of these chips ship with the NPU disabled. The X7 can still run local AI models on its CPU and GPU, but it does not support Windows Copilot+ features. If you want those, look at a Ryzen AI 300 mini PC such as the PELADN HO5.
Specifications
| Component | Specification |
|---|---|
| Processor | AMD Ryzen 7 H 255 · 8 cores / 16 threads · up to 4.9GHz · 16MB L3 |
| Graphics | AMD Radeon 780M · 12 CU · up to 2,600MHz |
| Memory | 64GB DDR5-5600 (2×32GB) · 2× SO-DIMM · listed up to 96GB |
| Storage | 2TB PCIe 4.0 NVMe · 2× M.2 2280 · listed up to 4TB |
| Display outputs | HDMI 2.1 + DisplayPort 2.0 (8K60 listed) + 2× USB4 |
| Expansion | OCuLink (PCIe 4.0 x4) for an external GPU |
| USB | 2× USB4 Type-C (one with power input) · 2× USB 3.2 · USB 2.0 |
| Network | 2.5GbE · Wi-Fi 7 · Bluetooth 5.4 |
| Audio | Built-in stereo speakers · 3.5mm jack |
| Power | 120W adapter (19V / 6.3A) |
| Size | Not confirmed by Reatan; similar chassis are about 13 cm square · VESA mount |
Design, ports and upgrades
The port selection is the X7’s strongest point. Two USB4 ports handle fast storage, docks and extra screens; HDMI 2.1 and DisplayPort 2.0 drive high-refresh monitors; 2.5GbE suits a NAS; and the OCuLink port is still uncommon at this level. The built-in speakers are a convenience for video calls and casual videos, not a replacement for real speakers.
Inside, the two SO-DIMM slots come filled with 2×32GB, and a second M.2 slot is free for more storage. Memory prices rose sharply in 2026 (see our RAM crisis guide), which makes a factory 64GB configuration more valuable than it was at launch.
CPU performance
About 16,000 points in Cinebench R23 multi-core at 54W: fast enough for coding, photo editing and heavy multitasking.
| Test | Published result |
|---|---|
| Cinebench R23 multi-core | ~15,900–16,400 |
| Cinebench R23 single-core | ~1,700 |
| Cinebench 2024 multi-core | ~905–925 |
| Cinebench 2024 single-core | ~100 |
That is in line with the Ryzen 7 8845HS and 7840HS in competing mini PCs, and around four to five times an Intel N150. Reatan does not publish the X7’s power limit; if it runs at 45W or less, expect slightly lower multi-core scores.
Gaming: what the Radeon 780M can really do
Smooth esports at 1080p, and recent AAA games at low settings with FSR — not 60 fps at high settings.
| Game | Settings | Expected fps |
|---|---|---|
| Counter-Strike 2 | Low / medium | ~90–120 |
| Fortnite | Performance mode | 60+ |
| Cyberpunk 2077 | Low + FSR | ~45–55 |
| Red Dead Redemption 2 | Low | ~35–45 |
| Baldur’s Gate 3 | Low | ~30–40 |
The X7 uses dual-channel DDR5-5600, which matters for integrated graphics: it should match other SO-DIMM 780M mini PCs and trail models with faster LPDDR5X memory, such as the Beelink SER9, by a few frames. For high settings or 1440p, the OCuLink port is the way forward: with an eGPU dock and a desktop graphics card, the X7 becomes a real gaming PC. Our OCuLink guide explains the setup and its costs.
Local AI and productivity
64GB of RAM lets the X7 load larger AI models than most mini PCs, but memory bandwidth keeps them slow.
Without an NPU, local AI runs on the CPU or on the Radeon 780M, for example with LM Studio or Ollama. Dual-channel DDR5-5600 offers about 90GB/s of bandwidth, so expect roughly 10–15 tokens per second with 7–8B models (estimate), and much less with dense 30B models. For serious local AI, a Strix Halo mini PC is in another league; see Strix Halo explained. For office suites, coding with several virtual machines, Lightroom and 1080p or light 4K video editing, the 8 cores and 64GB are comfortable.
Noise and heat
We have not measured it: at 54W, expect a quiet desktop at idle and an audible fan in games.
Mini PCs with this chip at full power usually stay quiet in office work and become clearly audible during long gaming or rendering sessions. Many offer a quieter power mode in the BIOS, at the cost of some performance.
Alternatives
| Model | CPU / GPU | Choose it if… |
|---|---|---|
| Beelink SER9 | Ryzen 7 H 255 · Radeon 780M | You prefer an established brand and faster (soldered) LPDDR5X memory. Review |
| Minisforum UM880 Plus | Ryzen 7 8845HS · Radeon 780M | You want OCuLink plus an NPU |
| BOSGAME M4 Plus | Ryzen 9 7940HS · Radeon 780M | You want OCuLink and dual 2.5GbE. Review |
| GMKtec K6 | Ryzen 7 7840HS · Radeon 780M | You want a proven all-rounder with dual 2.5GbE |
| PELADN HO5 | Ryzen AI 9 HX 370 · Radeon 890M | You want stronger integrated graphics, an NPU and OCuLink. Review |
Who should buy it
- want 64GB and two SSD slots without upgrading yourself
- plan to add a desktop GPU later through OCuLink
- play esports titles and older games at 1080p
- need USB4, 2.5GbE and Wi-Fi 7
- want Windows Copilot+ AI features (no NPU)
- expect high settings in recent AAA games without an eGPU
- value long-term brand support
- need a silent machine under load
Pros and cons
- 64GB DDR5 in upgradeable SO-DIMM slots
- 2TB SSD plus a second M.2 slot
- OCuLink for an external GPU
- Dual USB4, HDMI 2.1, DisplayPort 2.0
- Wi-Fi 7, 2.5GbE, built-in speakers
- No NPU
- Radeon 780M limits AAA games to low settings
- New brand, unproven support and BIOS updates
- Dimensions and power limit not clearly published
- Audible under sustained load
| Category | Score |
|---|---|
| Connectivity and expansion | 9.2 |
| Upgradeability | 9.0 |
| CPU performance | 8.0 |
| 1080p gaming (integrated) | 6.5 |
| AI features | 5.0 |
| Brand support | 6.0 |
Verdict
7.8/10 — one of the best-equipped Radeon 780M mini PCs, held back by a young brand and an older chip without an NPU.
On paper, the Reatan X7 gives more than most of its rivals: 64GB of upgradeable memory, room for a second SSD, OCuLink, two USB4 ports and Wi-Fi 7. Its performance is the same as other Ryzen 7 H 255 and 8845HS mini PCs, so the decision comes down to features and trust. If the OCuLink upgrade path and 64GB matter to you, it is a strong choice; if you prefer a known brand, the Beelink SER9 and GMKtec K6 are safer bets. Compare all the options in our best mini PCs under $700 and best gaming mini PC guides.
FAQ
Is the Reatan X7 good for gaming?
Yes, at 1080p with realistic settings. Its Radeon 780M runs esports games such as Counter-Strike 2, Valorant and Rocket League smoothly, and recent AAA games at low settings with FSR upscaling, usually in the 30–60 fps range. Earlier claims of 60 fps at high settings in Red Dead Redemption 2 are not realistic for this GPU. For high settings or 1440p, add a desktop graphics card through the OCuLink port.
Does the Ryzen 7 H 255 have an NPU?
No. The Ryzen 7 H 255 is a Hawk Point chip with the NPU disabled, unlike the Ryzen 7 8845HS or Ryzen 7 260. The Reatan X7 is therefore not a Copilot+ PC, although it can still run local AI models on its CPU and Radeon 780M GPU.
Who is Reatan?
Reatan is a newer mini PC brand that sells mainly through Amazon. Its long-term support and BIOS update record are not yet established, so buying through Amazon, with its return window, is the safest route.
Can I upgrade the RAM and storage?
Yes. The X7 has two DDR5 SO-DIMM slots, shipped with 2×32GB, and two M.2 2280 slots. The listing gives 96GB as the maximum memory and 4TB as the maximum storage. With memory prices high in 2026, the factory 64GB is already more than most users need.
What can I connect to the OCuLink port?
An external GPU enclosure (eGPU dock) with a desktop graphics card. OCuLink is a direct PCIe 4.0 x4 link, which loses much less performance than USB4. The dock, its power supply and the graphics card are extra costs.
Is the Reatan X7 better than the Beelink SER9?
They use the same Ryzen 7 H 255 processor. The X7 has upgradeable memory (64GB included), two SSD slots, OCuLink and Wi-Fi 7; the SER9 has faster but soldered LPDDR5X memory, an established brand and a long track record. Choose the X7 for expandability, the SER9 for brand support.
Related
- Beelink SER9 review (Ryzen 7 H 255)
- BOSGAME M4 Plus review (OCuLink)
- What is OCuLink? eGPU guide for mini PCs
- Best gaming mini PC
- Best mini PCs under $700
Sources
- Notebookcheck, AMD Ryzen 7 H 255 benchmarks and specs
- Notebookcheck, AMD Radeon 780M benchmarks
- Reatan X7 product listing on Amazon (checked October 8, 2026)