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TOP-LEVEL GAMING PERFORMANCE
Please note: the values below are given for guidance only and may depend on your in-game settings.
(657 reviews)
PC Optimus GeForce RTX™ 5080 16GB
The Optimus PC is an exceptional machine designed for those who want the best. With its RTX™ 5080, Intel® Core™ i9-14900KF and premium components, it delivers outstanding performance for gaming, content creation and intense multitasking.
Highlights:
✅ Ultra high-performance RTX™ 5080 16GB
✅ Intel® Core™ i9-14900KF
✅ 4K Ultra Gaming & Ray Tracing
✅ Samsung 990 Pro 2TB SSD
✅ Premium Antec Torque design
✅ A no-compromise configuration ⚡
Shipped within
4
business days
Expédition rapide
Paiement en 2,3,4,10 ou 12X.
2 ans de garantie légale vendeur.
SAV accessible par téléphone.
Droit de rétraction de 14 jours
Conditions Générales de Vente (CGV)?unique=1b44d0f)
PC Optimus GeForce RTX™ 5080 16GB
3,881.08 € 3,881.08 €
Ou 12x 323.42 € *
Get your ready-to-play gaming PC delivered complete!
48-hour delivery
48-hour dispatch option
Assembled in BE
Tested before shipping
4/5 - 10k reviews
Verified on Trustpilot
Pay in 3 instalments
No fees
Having a problem with your payment?
Please note: the values below are given for guidance only and may depend on your in-game settings.
Get your ready-to-play gaming PC delivered complete!
Windows 11 Pro
pre-installed operating system (trial version)
Assembled and tested
Each PC is carefully assembled and thoroughly tested before dispatch
ready to play
No need to configure anything—everything is ready to use
1, 2, 3... Let’s go!
No stress, no tweaking. Just fun straight away
752 FPS
4K
584 FPS
4K
1872 FPS
4K
245 FPS 4K
371 FPS
4K
371 FPS
4K
They talk about it better than we do!
4.2/5
+5,000 customers won over
Very positive reviews
Very positive reviews, despite comments about delivery time, no issues on my side: the screen was dispatched the day after I ordered and the PC arrived 3 days later.
Jeremy Q.Customer service—top-notch!
I received my PC with a faulty graphics card, and FlowUP’s after-sales service was extremely effective. They replaced my card the very same day (shout-out to Mickael who was genuinely great).
Lenny N.No regrets!
I invested in the BlackHawk and it’s pure joy. With the Cooler Master MK770 keyboard and the MSI IMMERSE GH20 headset, it’s more comfortable than my bed. And yet I love my bed—honestly, believe me!
The after-sales service is really top quality. The replies and the help provided are fast, with care and genuine human communication.
great humbs-up
Order received in 5 days (weekend included)
In very good condition, good price, and responsive, effective after-sales service.
I recommend.
Arnaud N.I bought the Savannah
Honestly, it’s a fantastic investment that I don’t regret. There’s a great after-sales service with fast replies and full of kindness. Honestly, I recommend it with my eyes closed. Thank you for your work, team! Thank you 1000 times <3
Tristan X.great discovery...
I bought a made-to-measure PC on this site and I was very well guided according to the use I wanted to make of it, but above all I got my money’s worth.
I contacted the after-sales service several times to get some answers, and they were very responsive. I highly recommend FlowUP for buying a PC.
spot on
PC ordered on Sunday, received 6 days later with no issues whatsoever. Thank you to the Flowup team.
The PC is truly amazing—no problems.
Héléna B.Purchase of a Rainbow i9 PC
Great contact — they communicated a brand-new quote directly! The follow-up and after-sales service for collecting the PC on site are exemplary. Thanks to you, Nathanaël, for your professionalism!
George Q.
Responsive support service
Responsive, effective and courteous support service!
The information is clear and flexibility is highlighted.
spot on
I ordered my PC on Wednesday evening and received it on Saturday morning. Performance-wise, nothing to fault. Excellent PC. The visuals are very beautiful. Very good temperatures. Go for it with your eyes closed.
Samuel J.
purchase of a PC Aqua v2
less than a week ago: super fast delivery and within the promised timeframe. PC well packaged—nothing to say. Thanks to the person who called me to ask if everything was okay. Thank you to the Flowup team.
Manon Q.Responsive support service
Responsive, effective and courteous support service!
The information is clear and flexibility is highlighted.
Very positive reviews
Very positive review, despite comments about delivery time—no issues on my side. The screen was dispatched the day after I placed my order and the PC arrived 3 days later.
The PC works perfectly well and was well packaged for transport.
Date of the experience: 19 March 2026
Lucas Martin
a top-notch team
A top-notch team: I ordered 2 PCs, delivery within 1 week, and a team that listens. Delighted with my purchase—quality equipment. I recommend 100%
Well done, team—you’re smashing it
Date of the experience: 16 March 2026
Nathan Leroy
If you don’t know where to go, there’s FlowUP
Pleasant staff, they check in on their customers, delivery is secure and VERY well protected—test it before dispatch
and they’re quality products
if you don’t know where to buy, go to FlowUP. You can call to have custom PCs made if you’re not familiar with it
Don’t hesitate—go for it!
Date of the experience: 15 March 2026
Karim Bensalem
great humbs-up
Order received in 5 days (weekend included)
In very good condition, good price, and responsive, effective after-sales service.
I recommend.
Date of the experience: 27 February 2026
Léa Simon
EXCELLENT WELCOME
I’d like to highlight Mr Cedric’s very positive work within the Call Centre and the welcome at Flow up. He demonstrates professionalism, courtesy, and great availability for the public.
He handles calls and reception efficiently, providing clear answers and guiding people properly. His calm, respectful attitude and strong sense of service help the service run smoothly and ensure good support for the public.
Date of the experience: 25 February 2026
Anis Touati
great discovery...
I received my PC within a week via UPS. Perfectly packaged, protected in two boxes. No issues when starting up, and no issues after a week of use. Super happy!
Date of the experience: 19 February 2026
Lina Saadi
Flow up, it’s confirmed!
Excellent experience. The delivery time promised was met, and the quality of customer support is top-notch. The arrangements requested were able to be carried out without any problems. The PC I received perfectly meets the requirements and looks absolutely fantastic.
Date of the experience: 15 February 2026
Maxime Lefebvre
I bought from Flow up.
I recently purchased a PC assembled by Flowup, and the experience has been flawless. The assembly is ultra clean (perfect cable management), the components are quality, and the performance is exactly as promised—if not better.
Special mention for the secure packaging: the PC arrived in perfect condition. I recommend 100% for anyone who wants something powerful without any hassle!Date of the experience: 13 February 2026
Walid Farah
FAST DELIVERY AND EXCELLENT PERFORMANCE.
I received my PC in exactly 9 days! (Order placed on 10 February and received on 19 February). I’d like to thank the Flow Up team for their speed and honesty.
As for my PC, it’s the Savannah v2 equipped with an RTX 5060 Ti and a Ryzen 7 5700x with 16GB RAM. It’s perfect for gaming in 1440p at high/ultra settings on big triple-A titles with 80/120 fps, and for esports at 240fps on low/high settings (depends on the games).
Date of the experience: 11 February 2026Amine Haddad
Gear yourself up like a pro
Find a selection of ultra high-quality peripherals: keyboards, mice, headsets, cameras, microphone arms, stream decks and more.
Unbeatable prices, hardware approved by gamers, and even exclusives from our partner brands.
Everything you need to move to the ultimate setup is right here.
A PC is great… without a screen, it’s nothing
No question of holding your setup back with an average monitor.
We’ve picked out the best gaming monitors on the market for you: from 180Hz to 390Hz, in Full HD, QHD or 4K, with IPS, VA or QD-OLED
Ready to move into another dimension?
boost your performance to the max
Discover FlowUP optimisation, a fully personalised optimisation service based on your needs.
On top of outstanding after-sales service on your PC, you’ll also get a special Windows interface as well as exceptional performance
Everything you need to know about the Optimus PC
NVIDIA GEFORCE RTX™ 5080 16GB
The GeForce RTX™ 5080 16GB is the new generation of NVIDIA high-end graphics cards. Based on the Blackwell architecture, it delivers exceptional performance in 1440p Ultra and 4K, with advanced Ray Tracing and the latest AI technologies.
It’s for gamers who want to enjoy an uncompromising experience and get their build ready for the years to come.
👉 The 16GB of VRAM ensures optimal comfort in 1440p and 4K, even for the most demanding titles and future game generations.
MORE THAN A PC, AN EXPERIENCE
At FlowUP, everything starts with a simple observation: too many PCs are poorly built, overpriced, or not properly supported.
So we decided to do the opposite:
- ✅ Clean builds
- ✅ Tested
- ✅ Optimised
- ✅ Reliable components
- ✅ No-name free.
- ✅ Neat cable management
- ✅ Real after-sales support (SAV)
- ✅ Ready-to-game machines
Ready to play without compromise?
How are our PCs different?
FlowUP
PC OEM
“No-name” components
❌
✅
Balanced to your needs and built to last
✅
❌
Carefully packed twice
✅
❌
Responsive after-sales service
✅
❌
Buyer’s remorse
❌
✅
create a 100% made-to-measure build
Our made-to-measure build service for PC gamers lets you:
✅ Create your ideal machine,
✅ Tailored to your needs
✅ Ready to use.
Configure your gaming PC: choose the components and our team of experts will take care of the assembly with care for optimal performance from the very first boot of your gaming PC!
amd ryzen 5 5600
The AMD Ryzen 5 5600 processor is an appealing solution for mid-range PCs, suitable for gaming as well as photo and video editing, while still offering excellent value for money.
With 6 cores and 12 threads, it delivers solid performance and sits just below the Ryzen 5 5600X in terms of price. The Ryzen 5600 uses a chiplet design with 32MB of L3 cache, bringing it closer to the 5600X, while the 5500 model, based on the 5600G, disables the integrated GPU, reducing the L3 cache to 16MB and supporting PCIe 3.0 instead of 4.0.
TOP-LEVEL GAMING PERFORMANCE
Note: the values below are for guidance only and may depend on your in-game settings.
105 FPS
1080p
155 FPS
1440p
285 FPS
1080p
165 FPS
1440p
185 FPS
1080p
105 FPS
1440p
85 FPS
1080p
60 FPS
1440p
60 FPS
1080p
35 FPS
1440p
70 FPS
1080p
50 FPS
1440p
INTEL® CORE™ i9 14900KF
The Intel® Core™ i9 14900KF is an ultra high-end processor designed for the most demanding gamers and creators. With its many cores and high clock speeds, it delivers exceptional performance both in games and in content production.
Paired with a next-generation graphics card, it guarantees a smooth experience in 1440p and 4K, while ensuring uncompromised multitasking. Streaming, video editing, 3D rendering or competitive gaming: the i9 14900KF delivers in every situation.
👉 A processor designed to make full use of the most powerful configurations and deliver top-tier performance for many years.
Memory :
- 4 DDR5 slots
- Up to 192GB
- Supported frequencies up to 7800+ MHz (OC)
Storage :
- 4 x M.2 PCIe 4.0 x4 slots
- M.2 Shield Frozr heatsinks
- 8 x SATA III ports (6 Gb/s)
PCIe ports :
- 1 x PCIe 5.0 x16 reinforced with Steel Armor
- 1 x PCIe 4.0 x16 (x4)
- 1 x PCIe 3.0 x1
Network connectivity :
- Built-in Wi-Fi 7
- Bluetooth 5.4
- Intel® 2.5G LAN network controller
USB :
- 1 x USB 3.2 Gen 2x2 Type-C (20 Gb/s)
- 4 x USB 3.2 Gen 2 Type-A
- Multiple USB 3.2 Gen 1 and USB 2.0
- BIOS Flashback port
Audio :
- Realtek ALC4080 codec
- HD Audio 7.1 channels
- Premium audio capacitors
amd ryzen 5 5600
The AMD Ryzen 5 5600 processor is an appealing solution for mid-range PCs, suitable for gaming as well as photo and video editing, while still offering excellent value for money.
With 6 cores and 12 threads, it delivers solid performance and sits just below the Ryzen 5 5600X in terms of price. The Ryzen 5600 uses a chiplet design with 32MB of L3 cache, bringing it closer to the 5600X, while the 5500 model, based on the 5600G, disables the integrated GPU, reducing the L3 cache to 16MB and supporting PCIe 3.0 instead of 4.0.
TOP-LEVEL GAMING PERFORMANCE
Note: the values below are for guidance only and may depend on your in-game settings.
105 FPS
1080p
155 FPS
1440p
285 FPS
1080p
165 FPS
1440p
185 FPS
1080p
105 FPS
1440p
85 FPS
1080p
60 FPS
1440p
60 FPS
1080p
35 FPS
1440p
70 FPS
1080p
50 FPS
1440p
for gamers, by gamers
At FlowUP, we don’t just sell PCs.
We forge war machines for players who want to dominate without lag, without compromise.
Hand-tested configurations, quality components, stylish design, and a team that speaks your language.
Ready to climb the Ladder?🔥
45
employees
4
years in business
50 000
PCs SENT
why do our PCs make the difference ?
FlowUP gaming PC
OEM PC
“No-name” components
❌
✅
Balanced to your needs and built to last
✅
❌
Carefully packed twice
✅
❌
Responsive after-sales service
✅
❌
Buyer’s remorse
❌
✅
a made-to-measure PC?
Expert advice, professional assembly, and performance guaranteed.
Want a machine that matches 100% your play style or your creative use?
With our custom PC service, you choose every component: graphics card, processor, RAM, SSD, case, cooling and more.
Whether you’re a hardcore gamer, streamer, editor, or 3D creator, we assemble the perfect machine for your needs, your budget, and your workflow.
Contact us
what are the delivery times?
COME IN FREE OF CHARGE OR HAVE IT DELIVERED within 7 to 10 working days
Choose your delivery option:
- Free collection on site
- Standard UPS : delivery in 5 to 7 working days (excluding weekends and public holidays)
- Express UPS : delivery within 24 hours(excluding weekends and public holidays)
In the event of out-of-stock status or a supply problem, we’ll contact you quickly so we can offer you a suitable solution. ✅
can I pay in instalments?
Yes, we offer instalment payments with Alma, but due to a recent law in Belgium, this option is limited to a maximum of 2 or 3 monthly instalments.
how can I track my order?
Once your order has been dispatched, you’ll receive an email with a UPS tracking link, allowing you to follow your parcel’s journey in real time.
what is the PC warranty?
All our assembled PCs are covered by a 2-year statutory warranty, including coverage for faulty parts and labour.
In the event of a breakdown, our after-sales service diagnoses the problem, and if necessary, we arrange for the PC to be returned so the repairs can be carried out.
What’s the Windows 11 trial version?
The Windows 11 trial version is a free edition of Microsoft’s operating system, allowing you to test all its features.
It isn’t limited in time.
If you want to remove the "Activate Windows" watermark, you’ll need to buy an activation key.
No lag on our response times
DON’T MISS A THING!
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otherwise, these ones are pretty good too
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Join the Flow🌊
In the complex jungle of hardware, FlowUP is your guide! No more random choices and disappointing PCs: with us, never again will you get machines below your expectations.
Our PCs are designed by experts and optimised so that every gamer gets the performance they deserve. Join us for a no-compromise gaming experience!
We’re rated 4.2/5 on 
(218 reviews)
join us on Discord 
still there?
Not convinced?
We get it—a PC is a real investment.
At FlowUP, we offer you tested, approved and ultra-reliable configurations, a responsive customer service, and above all a community that only ever backs us.
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