AI & ENTERPRISE
RTX 4080 SUPER
Built for everything you generate.
32GB of GDDR6X for the RTX 4080 SUPER, built locally in the UK.
From £750.
This service is not endorsed by or affiliated with NVIDIA Corporation.
From £750 on a send-in 4080 SUPER with healthy memory. Ready-built units are quoted per build, and the final price is always agreed before work begins.
The RTX 4080 SUPER has the speed for serious local AI.
At 16GB, the memory runs out long before the chip does.
LOCAL AI
What 32GB makes room for.
Image and video models are the first things to outgrow 16GB. 32GB clears that wall, and the 4080 SUPER core is fast enough to make the most of it.
It runs cooler and draws nearly a third less power than a 4090, while giving you the 32GB most generative work actually needs.
Image generation with every tool loaded.
Flux and SDXL at full resolution, with ControlNets and stacked LoRAs loaded at once, past the point where 16GB runs out. The 4080 SUPER core is genuinely fast at this.
Local video generation that 16GB cannot hold.
Today's open video models need well beyond 16GB to run. 32GB gives them the room, with no subscription, no credits, and no queue.
A private assistant for sensitive documents.
A 30B-class model loads in around 18GB with room to spare for context, enough to work through contracts, patient records, or unpublished university research without a word of it leaving the machine. On 16GB it will not load at all, and you do not need a flagship for this.
13B-class models at full precision.
Run the uncompressed FP16 weights at around 26GB, in place of the trimmed-down versions 16GB forces.
Why owning beats renting
Private by physics
Prompts, training images, source files, private code. It all stays on the machine, with nothing uploaded for a provider to log, retain, or leak.
No terms attached
No rate limits, no usage policies shifting under the work, no model you rely on vanishing in an update. The models you choose, configured your way, running offline.
Built to multiply
These are 2-slot blower cards built for dense systems. At 320W each against the 4090's 450W, more of them fit one power and thermal budget, stacking memory the way servers do.
For 70B-class models, the 4090 48GB is the card to get. For generative work and 30B models, 32GB is the right amount, at the better price.
What happens to your card
- 1
Register and get your quote
Tell us about your card. We reply personally with a fixed quote, split into parts and our work, plus the full terms.
- 2
Ship it or drop it off
A deposit covering the parts secures your build. Then insured Royal Mail shipping with the cover figure shown before you book, or drop off in Milton Keynes by appointment.
- 3
Teardown and validation
We photograph everything on arrival and check your core first. If it cannot take the upgrade, your deposit comes straight back, before any parts are committed to the build.
- 4
The transplant
Hot air on a controlled preheat curve lifts your core and memory from the old board, with thermocouples tracking every stage. Cleaned and reballed, they move to the new clamshell board alongside the additional modules that double the capacity. Every module is then tested.
TEST PROTOCOL
Tested before it ships
Test protocol v1.0, June 2026
- 5.1
Driver recognition
Standard NVIDIA drivers, no special configuration. The system sees 32GB or the card does not ship.
nvidia-smi reports 32GB at full PCIe link width - 5.2
Memory validation
Industry diagnostic tooling exercises all 16 modules at full data rate, including an overclock margin sweep to surface marginal cells.
every module tested, zero errors tolerated - 5.3
Sustained burn-in
Sustained AI generation workloads at full power draw, with rest and cool-down periods, across a 48-hour test window. Stability under load, not on paper.
AI workloads across a 48-hour test window - 5.4
Thermal mapping
Front and rear module temperatures measured at equilibrium. The clamshell design puts 8 modules on the rear, so we check them all.
memory junction temperatures within spec under sustained load - 5.5
The report
Every card ships with its own test report. It doubles as the warranty baseline: if the card ever comes back, that report is what we measure against.
signed, dated, ships in the box
Balance and insured return
Your deposit covered the parts. The balance, our work, is due only when your card has passed everything. It returns insured, in plain unmarked packaging, with its signed test report in the box.
Every report carries the date, the test versions, and the signature of the engineer who ran it.
As builds complete, their test reports, thermal captures and bench data publish here, card by card. First builds land autumn 2026.
It stays your card. Same core, same silicon, twice the memory.
Will it fit, and is it worth it
| Model | Quant | Needs | 16GB | 24GB | 32GB | 48GB |
|---|---|---|---|---|---|---|
| 7B classQuick drafts and simple questions | Q4 | ~4GB | fits | fits | fits | fits |
| 13B classA capable day-to-day assistant | Q4 | ~8GB | fits | fits | fits | fits |
| 13B classover a stock 4090, fits with headroom on 32GB | FP16 | ~26GB | does not fit | does not fit | fits | fits |
| 30B classStrong reasoning and document analysis · real headroom on 32GB | Q4 | ~18GB | does not fit | fits | fits | fits |
| 30B classneeds more than 32GB with context | Q8 | ~32GB | does not fit | does not fit | does not fit | fits |
| 70B classNear-frontier quality · the 4090 48GB route | Q4 | ~43GB | does not fit | does not fit | does not fit | fits |
7B class
Quick drafts and simple questions
Quant
Q4
Needs
~4GB
13B class
A capable day-to-day assistant
Quant
Q4
Needs
~8GB
13B class
over a stock 4090, fits with headroom on 32GB
Quant
FP16
Needs
~26GB
30B class
Strong reasoning and document analysis · real headroom on 32GB
Quant
Q4
Needs
~18GB
30B class
needs more than 32GB with context
Quant
Q8
Needs
~32GB
70B class
Near-frontier quality · the 4090 48GB route
Quant
Q4
Needs
~43GB
13B-class at FP16 needs about 26GB: does not fit on 16GB, fits with headroom on 32GB. 30B-class at Q4 needs about 18GB. Figures cross-checked against three published 2026 VRAM guides, as of June 2026.
Cloud, per year
£450
Upgrade, one-off
£750
Payback
20.0 months
If you only need occasional bursts, rent. If the card works most days, owning wins.
Cloud rate as of June 2026.
All roads lead to 32GB
The 32GB upgrade
Stock 4080 SUPER
RTX 5090, bought new
VRAM
32GB
VRAM
16GB
VRAM
32GB
Bandwidth
~736 GB/s
Bandwidth
~736 GB/s
Bandwidth
~1.8 TB/s GDDR7
Cost
From £7501
Cost
no spend, stays at 16GB
Cost
~£2,400 and up2
Warranty
90 days, modules included
Warranty
as is
Warranty
manufacturer, new card
Note
send a card in, or buy one ready-built1
Note
13B FP16 and 30B Q8 will not load
Note
much faster, far pricier, the same 32GB
The 32GB upgrade
VRAM
32GB
Bandwidth
~736 GB/s
Cost
From £7501
Warranty
90 days, modules included
Note
send a card in, or buy one ready-built1
Stock 4080 SUPER
VRAM
16GB
Bandwidth
~736 GB/s
Cost
no spend, stays at 16GB
Warranty
as is
Note
13B FP16 and 30B Q8 will not load
RTX 5090, bought new
VRAM
32GB
Bandwidth
~1.8 TB/s GDDR7
Cost
~£2,400 and up2
Warranty
manufacturer, new card
Note
much faster, far pricier, the same 32GB
- From £750 on a send-in 4080 SUPER with healthy memory. Ready-built units on donor cards we source are quoted per build. The final quote is always agreed before work begins.
- RTX 5090 UK street price, June 2026: the Founders Edition lists at £1,799 but is rarely in stock, so an available partner card realistically runs from about £2,400 upward. The 5090 is the faster card; the 32GB capacity is the same.
Published third-party figures, as of June 2026. Our own measured numbers replace these as our builds complete.
Not for gaming. 16GB already covers it.
Not for 70B-class models. That tier needs 48GB, where the 4090 is the card.
Not for workloads that already fit in 16GB. The extra memory would sit idle.
Built in the UK
No borders, no customs
Your card never leaves the country. No import VAT on the service, no duty, no seizure risk.
UK consumer law applies
The Consumer Rights Act 2015 covers this work. Your statutory rights survive everything in our terms.
Insured both ways
Shipping cover is shown in pounds at the point of booking, before you commit. The return leg is insured to match.
You talk to the engineer
The person who quotes your card is the person who builds it and signs its report.
Sending your card abroad, or buying a ready-modified one from overseas, typically costs hundreds of pounds more once shipping, VAT, duty and the markup are added. It also means weeks of waiting while the card sits in transit and at customs checkpoints.Ours is a tracked Royal Mail parcel, there and back.
Sending your card abroad, or buying a ready-modified one from overseas, typically costs hundreds of pounds more once shipping, VAT, duty and the markup are added. It also means weeks of waiting while the card sits in transit and at customs checkpoints.Ours is a tracked Royal Mail parcel, there and back.
PRICING
What the price includes
From £750.
Two ways to get one: send a 4080 SUPER in for the upgrade, or have us build one on a donor card we source and test. Ready-built units are quoted per build.
A £375 deposit covers your parts and starts the build. The £375 balance is for our work, due only when your card passes.
- Teardown, core and memory validation, photographed on arrival
- New clamshell board, the current revision, in a 2-slot blower form factor built for multi-card systems
- 8 additional Micron D8BZC modules fitted alongside the original 8
- VBIOS configured for the doubled memory
- The full test protocol and a signed report in the box
- 90-day warranty covering our work and the modules we fit
The only thing that can add to the price is replacement memory, at our published chip prices, added to the parts deposit, and only with your agreement after diagnosis.
Card faulty? Most faults live on the board rather than the core, and core failures are rare. The upgrade moves your core and memory to a new board anyway, so a faulty card is often a perfect candidate. We repair and upgrade in a single job.
Warranty at a glance
Returned insured, in plain unmarked packaging.
Register your interest
We reply personally within two working days.
Need more than 32GB?
See the RTX 4090 48GB upgradeQuestions, answered properly
No. The card runs on standard NVIDIA drivers and reports 32GB out of the box.
No. Your core and bandwidth are unchanged. Your report shows your own numbers.
Sometimes that is the right call, and the comparison above shows both routes. The 5090 is faster with the same 32GB, but if a 4080 SUPER already sits in your machine, doubling its memory costs a fraction of switching.
Very low, as far as we can tell, but we have just started and will not invent a number before the builds add up. What stands behind every card instead: every module tested, the 48-hour test window before shipping, and the 90-day warranty. Real figures publish here as they accumulate.
Often ideal, oddly enough. Most faults live on the board, which is replaced anyway, and core failures are rare. If diagnosis finds something deeper, we tell you first and your deposit comes back in full.
Yes, any board-level shop with the right tooling can. We are the best placed though, since we built the card and hold its baseline test report.
You can. The kit route needs the board, eight matched modules, BGA rework equipment, and the skills to use them, with no warranty if it goes wrong. If you have all four, you do not need us.
No. Games rarely use anywhere near this much VRAM. The upgrade is for memory-bound AI and compute work.
Yes, it is your card. Our terms ask one thing: describe it accurately as a modified card when you sell it. The signed test report helps your sale, since the next owner gets the same proof you did.
Cover figures are shown in pounds next to every shipping option before you book. High-value returns are insured to the card's upgraded value. Full details are in the shipping section of our terms.
Three or more cards quote as a batch with scheduled build slots. A £500 reservation deposit secures the slots and comes off the final invoice. Use the form below and tell us how many.
Only a bad core can stop it, since memory just gets replaced. If your core cannot take the upgrade, your deposit comes back in full and you choose between a return at your shipping cost or donating it to us.
Twice. A parts deposit when you accept the quote, then the balance for our work once your card passes testing. If we cannot proceed after diagnosis, the deposit comes back in full.
Heat, mainly: the transplant takes controlled heat cycles, with a small but never-zero risk to the core and the memory. We publish the honest picture, risk by risk, on its own page:
What can go wrong, and what we do about it →