Computer Upgrades | SSD, RAM & Hardware Installation
The fastest way to a quicker machine usually isn't a new machine at all. NexusByte's computer upgrades give Sydney's PCs, Macs and laptops a serious second wind, with professional SSD installation, RAM upgrades and hardware fitted by technicians who know exactly which components will deliver the biggest real-world difference to the way you work.
An SSD upgrade transforms boot and load times, extra RAM smooths out heavy multitasking, and a well-chosen hardware upgrade can extend the life of a device you assumed was finished. Whether it's a business desktop, a gaming rig or a laptop upgrade to keep a trusted machine going, we handle it.
Every upgrade comes with fixed pricing, same-day service available and our no fix, no fee promise, so there are no surprises when the job's done. Skip the cost of replacing hardware that still has years of useful life left in it. Book a NexusByte upgrade and feel the difference straight away.
Our computer upgrades include:
SSD hard drive installationRAM and memory upgradesBattery replacementGPU and cooling (gaming)
Trusted Computer Upgrade Services
We install quality parts and optimise your system.
From SSD and RAM upgrades to battery replacement and gaming hardware, we upgrade desktops, laptops and Macs safely.
SSD installation
RAM upgrades
Battery replacement
Data clone to new drive
Mac upgrades
Gaming PC upgrades
Get a quote for your upgrade. Same-day service available.
Built for Speed. Engineered for Growth.
NexusByte installs SSDs, RAM, and hardware upgrades so your computer keeps up with your needs.
SSD installation
RAM upgrades
Storage expansion
Mac and PC upgrades
Same-day service
Every upgrade is done with quality parts and a clear quote.
Your Sydney-Wide Computer Repair Partner
From slow boot-ups and blue screens to hardware failures and data recovery, we deliver clear diagnostics and fixed-price repairs so you know the cost before any work starts. Our team brings the same professional standards to every job—whether you’re at home or in the office—with a strict No Fix, No Fee policy and same-day options where possible. Get your desktop, laptop, or Mac back to full health without guesswork or hidden fees.
Free Diagnostic
Fixed Quote
No Fix, No Fee
Same Day Service
Every repair is completed with quality parts, professional diagnostics, and a commitment to getting your device working reliably again.
Request a Free QuoteBuilt for results
Computer Upgrades Results
Our service is designed to:
Resolve your issue quickly
Improve performance and reliability
Give you peace of mind
Support you long-term
This is why Sydney homes and businesses choose NexusByte.
Our Computer Upgrades Process
We follow a clear, professional process so you know what to expect.
1. Assessment & Quote
2. Scheduled Visit or Remote Support
3. Professional Service
4. Testing & Handover
Our Computer Upgrades Services
SSD Upgrade
Replace HDD with SSD for much faster boot and load times.
Includes:
- SSD install
- Data clone
- OS transfer
- Old drive backup
RAM Upgrade
Add or replace RAM for better multitasking.
Includes:
- RAM install
- Compatible parts
- Testing
- Warranty
Battery Replacement
Genuine battery replacement for laptops and MacBooks.
Includes:
- Battery replacement
- Genuine parts
- Calibration
- Health check
Mac Upgrades
SSD and RAM upgrades for iMac and MacBook.
Includes:
- iMac SSD/RAM
- MacBook SSD
- Data transfer
- Testing
Gaming PC Upgrades
GPU, cooling and performance upgrades.
Includes:
- GPU install
- Cooling
- PSU if needed
- Benchmark
General Hardware
Other upgrades: storage, cooling, peripherals.
Includes:
- Storage add
- Cooling
- Parts advice
- Install
Why Choose Us
Why Choose NexusByte for Computer Upgrades?
- Fixed pricing – no hidden fees
- Same-day service available
- No fix, no fee guarantee
- Experienced Sydney technicians
- Professional and reliable
We deliver professional IT services across Sydney. Get in touch for a free quote.
What Is a Computer Upgrade Service?
A computer upgrade service replaces slow or worn hardware inside an existing machine — hard drives swapped for SSDs, extra RAM, new batteries, graphics cards and cooling — so a PC, Mac or laptop performs like a far newer computer. It's for Sydney users whose machine is fundamentally sound but no longer keeping up with what they ask of it.
Upgrading sits in the sweet spot between tolerating a slow computer and paying for a whole new one. The chassis, screen, keyboard and the software installation you've spent years refining all stay exactly as they are; only the component holding everything back changes. Done professionally, that means compatible parts chosen for your exact model, careful installation, your data handled safely throughout, and testing before handover — with a warranty on the work.
NexusByte installs upgrades across Sydney with fixed pricing, a no fix, no fee guarantee, and same-day service available.
Will an SSD Make Your Computer Faster?
If your computer still runs from a mechanical hard drive, an SSD is the single most noticeable upgrade money can buy. A hard drive physically sweeps a read head across spinning platters to find your data; an SSD reads from flash memory with no moving parts at all. The difference lands exactly where slowness hurts most — boot time, program launches and opening large files.
The professional part of an SSD upgrade is the migration, not the screwdriver work. We clone your existing system across, so Windows or macOS, your programs, settings and files all arrive intact — no reinstalling everything from scratch, no hunting for licence keys. We also keep your old drive as a backup after the swap, which is cheap insurance during the changeover.
There's a durability bonus for laptops, too: with no moving parts, an SSD shrugs off the bumps and knocks of a bag-carried life that gradually kill mechanical drives. Quieter running and better battery life come along for the ride, which is why an SSD is usually our first recommendation for any laptop still on spinning storage.
SSD, RAM or Battery: Which Upgrade Do You Actually Need?
The symptoms usually point the way. Slow starts and long loading bars point at the drive. A computer that starts fine but chokes when you open a dozen programs or browser tabs at once is short on RAM. A laptop that flies on the charger but dies by lunchtime needs a battery, not more speed — and a genuine replacement battery, calibrated and health-checked after installation, restores the machine's portability without touching anything else.
We begin with an assessment rather than assumptions, and you get a quote before anything is opened. Sometimes the honest answer is that the machine needs a clean-up and tune-up rather than new hardware; occasionally it's that your money is better put toward a replacement. Either way, you'll get a straight recommendation instead of a parts list.
Can Macs and iMacs Be Upgraded?
Often, yes — but it's heavily model-dependent. Many older iMacs and MacBooks take SSD and RAM upgrades beautifully, and fitting an SSD to a hard drive-era iMac is one of the most transformative jobs we do: the machine feels years younger the first time it boots. On newer Apple hardware, memory and storage are increasingly fixed at purchase, so the options narrow with each generation.
Tell us your exact model and year and we'll tell you honestly what's possible, with data transfer and post-install testing included as part of the job. And if your Mac's real problem is a fault rather than age, our iMac repair and MacBook repair services are the better starting point — we'll steer you to whichever the diagnosis supports.
Gaming PC and Performance Upgrades
For gaming PCs and workstations, we install graphics cards, upgrade cooling, and replace power supplies where a new GPU demands more headroom than the old unit can deliver — a frequently missed step that causes mysterious crashes under load when skipped. Every performance build is benchmarked after installation, so you can see the gain in numbers rather than take our word for it. Where the rig is faulty rather than merely slow — no display, shutdowns under load, a graphics card that has failed outright — that is a gaming PC repair job instead.
We also handle the general hardware jobs: adding storage alongside your existing drives, quieter cooling for machines that sound like hair dryers, and parts advice before you buy anything — so you don't end up with components that won't fit your case, your power supply or your motherboard. Book an upgrade, or start with an assessment and quote if you're not yet sure which change will make the difference.
Service Coverage
Computer Repair Service Areas
We provide Computer Repair Services across Sydney and surrounding areas within a 60km radius
Eastern Suburbs
Suburbs
Bondi, Coogee, Randwick, Maroubra, Double Bay, Bondi Junction, Bronte, Tamarama, Dover Heights, Rose Bay, Vaucluse, Waverley, Woollahra, Paddington
Bondi, Coogee, Randwick, Maroubra, Double Bay, Bondi Junction, Bronte, Tamarama, Dover Heights, Rose Bay, Vaucluse, Waverley, Woollahra, Paddington
Local Government Areas
Waverley Council | Randwick City Council | Woollahra Municipal CouncilWaverley Council | Randwick City Council | Woollahra Municipal Council
Inner West
Suburbs
Newtown, Marrickville, Petersham, Leichhardt, Balmain, Dulwich Hill, Stanmore, Annandale, Glebe, Camperdown, Enmore, Burwood, Ashfield, Croydon, Five Dock, Drummoyne, Concord
Newtown, Marrickville, Petersham, Leichhardt, Balmain, Dulwich Hill, Stanmore, Annandale, Glebe, Camperdown, Enmore, Burwood, Ashfield, Croydon, Five Dock, Drummoyne, Concord
Local Government Areas
Inner West Council | City of Canada Bay | Burwood CouncilInner West Council | City of Canada Bay | Burwood Council
Sydney CBD Area
Suburbs
Sydney CBD, Surry Hills, Darlinghurst, Kings Cross, Pyrmont, Ultimo, Chippendale, Redfern, Waterloo, Zetland, Alexandria, Erskineville, Newtown
Sydney CBD, Surry Hills, Darlinghurst, Kings Cross, Pyrmont, Ultimo, Chippendale, Redfern, Waterloo, Zetland, Alexandria, Erskineville, Newtown
Local Government Areas
City of Sydney
City of Sydney
Lower North Shore
Suburbs
North Sydney, Crows Nest, St Leonards, Neutral Bay, Kirribilli, Milsons Point, Chatswood, Willoughby, Artarmon, Naremburn, Lane Cove, Greenwich, Wollstonecraft, Mosman, Cremorne, Spit Junction
North Sydney, Crows Nest, St Leonards, Neutral Bay, Kirribilli, Milsons Point, Chatswood, Willoughby, Artarmon, Naremburn, Lane Cove, Greenwich, Wollstonecraft, Mosman, Cremorne, Spit Junction
Local Government Areas
North Sydney Council | Willoughby City Council | Lane Cove Council | Mosman CouncilNorth Sydney Council | Willoughby City Council | Lane Cove Council | Mosman Council
Upper North Shore
Suburbs
Hornsby, Waitara, Wahroonga, Turramurra, Pymble, Gordon, Killara, Lindfield, Roseville, Asquith, Mount Colah, St Ives, Warrawee
Hornsby, Waitara, Wahroonga, Turramurra, Pymble, Gordon, Killara, Lindfield, Roseville, Asquith, Mount Colah, St Ives, Warrawee
Local Government Areas
Hornsby Shire Council, Ku-ring-gai Council
Hornsby Shire Council, Ku-ring-gai Council
Northern Beaches
Suburbs
Manly, Dee Why, Freshwater, Curl Curl, Narrabeen, Collaroy, Avalon, Palm Beach, Mona Vale, Warriewood, Brookvale, Seaforth, Balgowlah
Manly, Dee Why, Freshwater, Curl Curl, Narrabeen, Collaroy, Avalon, Palm Beach, Mona Vale, Warriewood, Brookvale, Seaforth, Balgowlah
Local Government Areas
Northern Beaches Council
Northern Beaches Council
Ryde District
Suburbs
Ryde, Eastwood, Denistone, West Ryde, Macquarie Park, Marsfield, Meadowbank, Putney, Gladesville, Hunters Hill
Ryde, Eastwood, Denistone, West Ryde, Macquarie Park, Marsfield, Meadowbank, Putney, Gladesville, Hunters Hill
Local Government Areas
City of Ryde
City of Ryde
Parramatta Region
Suburbs
Parramatta, Westmead, Wentworthville, Granville, Merrylands, Guildford, Auburn, Lidcombe, Rosehill, Harris Park, Rydalmere, Ermington, Northmead
Parramatta, Westmead, Wentworthville, Granville, Merrylands, Guildford, Auburn, Lidcombe, Rosehill, Harris Park, Rydalmere, Ermington, Northmead
Local Government Areas
City of Parramatta | Cumberland CouncilCity of Parramatta | Cumberland Council
Hills District
Suburbs
Castle Hill, Baulkham Hills, Kellyville, Bella Vista, Rouse Hill, Winston Hills, North Rocks, Westleigh, Beaumont Hills, Cherrybrook
Castle Hill, Baulkham Hills, Kellyville, Bella Vista, Rouse Hill, Winston Hills, North Rocks, Westleigh, Beaumont Hills, Cherrybrook
Local Government Areas
The Hills Shire Council
The Hills Shire Council
Blacktown Area
Suburbs
Blacktown, Mount Druitt, Rooty Hill, Seven Hills, Toongabbie, Quakers Hill, Kings Langley, Glenwood, Stanhope Gardens, Schofields
Blacktown, Mount Druitt, Rooty Hill, Seven Hills, Toongabbie, Quakers Hill, Kings Langley, Glenwood, Stanhope Gardens, Schofields
Local Government Areas
Blacktown City Council
Blacktown City Council
Liverpool Region
Suburbs
Liverpool, Cabramatta, Fairfield, Green Valley, Warwick Farm, Chipping Norton, Prestons, Casula, Wattle Grove, Hammondville
Liverpool, Cabramatta, Fairfield, Green Valley, Warwick Farm, Chipping Norton, Prestons, Casula, Wattle Grove, Hammondville
Local Government Areas
Liverpool City Council
Liverpool City Council
Fairfield Area
Suburbs
Fairfield, Cabramatta, Canley Vale, Carramar, Lansvale, Villawood, Wetherill Park, Bonnyrigg, Edensor Park, Smithfield
Fairfield, Cabramatta, Canley Vale, Carramar, Lansvale, Villawood, Wetherill Park, Bonnyrigg, Edensor Park, Smithfield
Local Government Areas
Fairfield City Council
Fairfield City Council
Canterbury-Bankstown
Suburbs
Bankstown, Campsie, Canterbury, Belmore, Lakemba, Wiley Park, Punchbowl, Greenacre, Condell Park, Revesby, Padstow, Panania
Bankstown, Campsie, Canterbury, Belmore, Lakemba, Wiley Park, Punchbowl, Greenacre, Condell Park, Revesby, Padstow, Panania
Local Government Areas
Canterbury-Bankstown CouncilCanterbury-Bankstown Council
Strathfield District
Suburbs
Strathfield, Homebush, Flemington, Homebush West, North Strathfield
Strathfield, Homebush, Flemington, Homebush West, North Strathfield
Local Government Areas
Strathfield Council
Strathfield Council
Sutherland Shire
Suburbs
Cronulla, Miranda, Sutherland, Caringbah, Engadine, Gymea, Woolooware, Taren Point, Sans Souci
Cronulla, Miranda, Sutherland, Caringbah, Engadine, Gymea, Woolooware, Taren Point, Sans Souci
Local Government Areas
Sutherland Shire Council
Sutherland Shire Council
St George Area
Suburbs
Hurstville, Kogarah, Rockdale, Banksia, Arncliffe, Bardwell Park, Beverly Hills, Mortdale, Oatley, Peakhurst, Penshurst
Hurstville, Kogarah, Rockdale, Banksia, Arncliffe, Bardwell Park, Beverly Hills, Mortdale, Oatley, Peakhurst, Penshurst
Local Government Areas
Georges River Council | Bayside CouncilGeorges River Council | Bayside Council
Penrith Region
Suburbs
Penrith, St Marys, Kingswood, Werrington, Cambridge Park, Jamisontown, Emu Plains, Glenmore Park, Orchard Hills
Penrith, St Marys, Kingswood, Werrington, Cambridge Park, Jamisontown, Emu Plains, Glenmore Park, Orchard Hills
Local Government Areas
Penrith City Council
Penrith City Council
Macarthur
Suburbs
Campbelltown, Ingleburn, Minto, Leumeah, Rosemeadow, Narellan, Camden, Mount Annan, Appin, Elderslie
Campbelltown, Ingleburn, Minto, Leumeah, Rosemeadow, Narellan, Camden, Mount Annan, Appin, Elderslie
Local Government Areas
Campbelltown City Council, Camden Council
Campbelltown City Council, Camden Council
Don't see your suburb or area? We're expanding our service coverage across Sydney.
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Client Testimonials
What our clients say about our comprehensive IT services
Laith was amazing! Very responsive, communicates properly, provides regular updates and explains everything so thoroughly! Will definitely be using your services in the future!
I'm really happy with my website. The Sheriff Building Inspections made the whole process easy and stress-free. They listened to what I wanted, gave me good ideas, and the end result looks clean, modern, and professional. They were quick to reply to my questions and kept me updated the whole way through. The site works great on mobile and is easy for my clients to use. Honestly, it turned out even better than I expected. Big thank you layth.
Absolutely stoked with Laith from Nexus Byte 👏 He built my dream website from scratch and honestly made the whole process so easy. From the first chat to the final launch, he was patient, clear, and actually listened to what I wanted – then made it look even better than I had in mind. Any time I had a question or a random idea, he was onto it straight away and explained everything without any tech jargon. You can tell he genuinely cares about the end result and about helping your business look professional online. Couldn't be happier with the site and the support along the way. 5 stars from me, highly recommend Laith and Nexus Byte to anyone needing a website done properly. ⭐⭐⭐⭐⭐
NexusByte built my website and did an amazing job. The whole process was super smooth, they were easy to talk to, quick to reply, and really listened to what I wanted. The final site looks clean, modern, and exactly how I pictured it. I'm honestly really happy with how everything turned out. Definitely recommend working with them!
Amazing service by Laith. Clear up front costing, really helpful to work with, and thorough in getting the job done right. I'd definitely use him and NexusByte again.
Laith went out of his way to fix my dad's computer when everything was closed. He came home and spared my dad the trouble of travel
Laith was reliable, helpful and professional - will be recommending.
Absolutely recommend NexusByte and will be first point of contact for any future hardware support and fix services, and hopefully dealing once again with Laith. The entire process was an A+ experience from the moment the call was answered, through to the diagnostic, repair and return of the damaged laptop. Laith is fantastic. In every element of his service and support. Very personable, engaging, knowledgeable and understands the critical importance of service to customers. He provided clear information for every step from booking the appointment, was on time for visiting my home for diagnosis + collection and for return of the item (on a weekend!), for what to expect through the diagnostic works, and for the quoting and payment process. The price for the services provided was very reasonable and affordable. One of the best service experiences I have had and right from 'go'.
We worked with Laith and the NexusByte team to design and build our new website and the experience was excellent from start to finish. Laith took the time to understand our brand and delivered a fantastic UI/UX that perfectly matches our company's look and feel. The website is modern, clean, and extremely easy to navigate. It's also fully responsive and works flawlessly across all screen sizes, from mobile to desktop. Communication throughout the project was clear and professional, and everything was delivered exactly as promised. We're very happy with the final result and would highly recommend NexusByte to anyone looking for high-quality web design and development.
We have been working with NexusByte to manage our business IT infrastructure, and the experience has been excellent. Their team is highly knowledgeable, responsive, and professional in handling both routine maintenance and unexpected technical issues. NexusByte took the time to understand our business requirements and implemented reliable solutions that improved the stability, performance, and security of our systems. Their proactive approach to monitoring and maintenance has significantly reduced downtime and ensured our operations run smoothly. Communication has always been clear and timely, and any issues are addressed quickly and efficiently. It gives us great peace of mind knowing our IT environment is being managed by a team that genuinely cares about reliability and long term performance. We would highly recommend NexusByte to any business looking for dependable and professional IT support.
I'd like to thank the team at Nexus Byte team for the amazing work they did on our website, especially Laith for his support and professionalism throughout the process. From start to finish, the team was responsive, easy to work with, and truly committed to delivering great results.
Highly recommended, they go out of their way to provide old fashioned service
Laith did a great job on upgrading my iMac so I don't have to buy a new model. Very knowledgeable about all things IT. 👍
I am so grateful of Laith's assistance today during a difficult and stressful time. Laith from NexusBytes is so knowledgeable, patient and compassionate. He was so calm which reassured me that I had found the right person. It took Laith only minutes to find the problem with my laptop and address it so that I could go safely back to work. I cannot recommend Laith and NexusBytes enough. I have already put his contact details in my phone for the next time I need tech help! Thank you Laith. Tracey
Amazing service. Job done, Lovely staff - highly recommend
Laith from Nexus Byte was fantastic from start to finish. He fixed my Sonos internet connectivity problem where others had tried and failed. I particularly liked that he contacted me the day after his service call to check that everything was still OK with my system. I would not hesitate to recommend Laith's services. Thanks again. Paul
The team at NexusByte are absolutely unreal! Laith and Natalie went above and beyond to help me with my repair/upgrade, and looked for the most cost effective options to suit my needs. They were both very communicative, knowledgeable and super flexible with pick-ups times. Just outstanding customer service all round. Thanks guys!
FAQs
Frequently Asked Questions
What upgrades can you do on my computer?
Will an SSD speed up my computer?
Do you upgrade Macs and iMacs?
How long do upgrades take?
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Let's Get Your Device Back Up and Running
Laptop, desktop, or Mac playing up? Our Sydney technicians offer fast, affordable repairs with honest diagnostics and quality parts — no fix, no fee. Get in touch for a free diagnosis and an up-front quote.
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