Most vintage home computers from the late 1970s and 1980s sell for about $30-300 as of October 2026. A working Commodore 64, Atari 800XL or Apple IIe usually lands near $50-200, and more with its box. Early machines are worth more: a working original Apple II with drives and monitor sold at RR Auction for $2,273 in 2021, an Altair 8800 was valued at about $8,000 in a 2020 ranking, and a production Apple-1 has sold for roughly $200,000-500,000 at recent auctions.
The gap between those numbers is about age, production numbers and history. A machine that sold in the millions is a nostalgia item, while one of the first few thousand microcomputers ever made is a piece of computing history. Whether it works, and whether it still has its box, manuals and original parts, sets the price within each tier.
Quick answer
- Commodore 64, VIC-20, Atari 400/800/XL, TI-99/4A, Apple IIe and IIc, working: about $50-200. Not working: about $20-80.
- TRS-80 Model I, Commodore PET, original IBM PC 5150, early Apple II: roughly $200-1,500, with early Apple II systems reaching about $2,000-6,000 at auction.
- Kit computers of 1975 to 1977 (Altair 8800, IMSAI 8080 and similar): roughly $1,500-10,000 depending on model and completeness.
- Apple-1, about 200 made in 1976: recent auction sales of roughly $200,000-500,000; the record for a production unit is $905,000 (2014), and a prototype board brought about $2.75 million in 2026.
- A sealed or near-new boxed example can double or triple the price of a common machine.
What makes a vintage computer valuable?
Age, scarcity and importance make a vintage computer valuable, and working condition and completeness decide where it falls within its range. The mass-market machines of the 1980s were made in enormous numbers. The Commodore 64 alone sold somewhere between 12.5 and 17 million units, according to estimates collected on Wikipedia, and the Apple II family passed two million by 1984. Those are plentiful, and a working one is a pleasant thing rather than a rare one.
The money sits in three places: the first generation of personal computers from 1975 to 1977, early production of famous machines, and anything with a documented link to a company or person that mattered. Dave Farquhar, a long-time vintage computer writer, put it bluntly in a 2014 post: most 1980s setups will not bring more than about $50, while an original Apple II or II Plus, a Commodore PET, an original IBM PC 5150 and early Macintosh models are the ones collectors look for. Our old Macintosh guide covers the Mac side in detail; this page covers the other machines.
How do you identify and value a vintage computer, step by step?
- Read the model plate. Turn the machine over or look at the back. Apple II units carry a label with the model (Apple II, II Plus, IIe, IIc) and serial number. IBM PCs read "IBM Personal Computer" with machine type 5150. Commodore machines name the model on the badge and the base. TRS-80s say Radio Shack and the model.
- Pin the exact model and year. The Apple II came out in June 1977 at $1,298, the II Plus in 1979, the IIe in 1983 and the IIc in 1984. The TRS-80 Model I and the Commodore PET came out in 1977, the Atari 400 and 800 in 1979, the IBM PC 5150 in August 1981, and the Commodore 64 in August 1982 at $595. The earlier the model, the higher the ceiling.
- Look for early production signs. On an Apple II, the motherboard revision printed on the board matters: a Revision 0 board from 1977 is the most wanted. On a Commodore 64, the early brown-keyed "breadbin" with a silver badge is more sought after than the later 64C. On an IBM 5150, the early 16-64K motherboard is earlier than the 64-256K version.
- Identify kit and pre-1977 machines. Front panels covered with toggle switches and red LEDs, with no keyboard, mean a 1970s kit or hobby machine such as an Altair 8800 or IMSAI 8080. These belong in a different price tier.
- Check for an Apple-1. A bare green circuit board marked "Apple Computer 1, Palo Alto, Ca. Copyright 1976", often in a wooden case, could be an Apple-1. Several replica boards exist, so a specialist must examine any real candidate.
- Do not plug it in yet. Old power supplies contain filter capacitors that can crack, smoke or fail when powered after decades. If you do not know the history, have it checked first or describe it honestly as untested.
- Gather the extras. Original box, manuals, disk drives, monitor, software, receipts and any paperwork from the first owner all add value. A machine with its original box and packing inserts is worth much more than a bare unit.
- Note the cosmetics. Yellowed plastic, cracked cases, missing keys, cut cords and battery damage inside all reduce the price.
- Price from sold results. Search sold listings for the exact model and condition, and auction results for early or historic pieces. Asking prices for vintage computers are often far above what sells.
What are vintage computers worth?
Values are typical US sold prices as of October 2026. Ranges are wide because condition, working status and completeness vary so much. Where sales are thin, ranges are marked roughly.
| Computer | Year | Not working or untested | Working, loose | Boxed, complete |
|---|---|---|---|---|
| Commodore 64 (breadbin or 64C) | 1982 to 1993 | $20-50 | $50-150 | roughly $150-400 |
| Commodore VIC-20 | 1981 | $15-40 | $40-100 | roughly $100-250 |
| Atari 400, 800, 600XL, 800XL | 1979 to 1985 | $20-60 | $50-200 | roughly $150-400 |
| TI-99/4A | 1981 | $15-40 | $30-80 | roughly $80-200 |
| Apple IIe, IIc | 1983 to 1988 | $40-100 | $100-300 | roughly $250-600 |
| Apple IIgs | 1986 | $50-150 | $150-400 | roughly $300-700 |
| Apple II or II Plus | 1977 to 1982 | roughly $150-400 | roughly $300-1,000 | roughly $1,000-3,000 |
| Early Apple II, 1977, documented | 1977 | roughly $1,500-3,000 | roughly $2,000-6,000+ | auction territory |
| TRS-80 Model I | 1977 | roughly $80-200 | roughly $150-500 | roughly $400-1,000 |
| Commodore PET 2001 | 1977 | roughly $150-400 | roughly $400-1,200 | roughly $1,000+ |
| IBM PC 5150 | 1981 | roughly $150-400 | roughly $300-1,000 | roughly $1,000-2,000 |
| IMSAI 8080 | 1975 | roughly $800-1,500 | roughly $1,500-4,000 | specialist market |
| Altair 8800 | 1975 | roughly $3,000-6,000 | roughly $6,000-10,000+ | specialist market |
| Apple-1 | 1976 | roughly $200,000-500,000 in recent auction sales |
A few published reference points: RR Auction sold a working Apple II with a Revision 4 board, two Disk II drives, a monitor, software and manuals from the collection of software pioneer Roger Wagner for $2,273 in August 2021, against an estimate of $4,000 or more. An Apple II with two original disk drives sold for $4,687 in 2015. A 2020 ranking compiled by sellmymobile.com from oldcomputers.net, PriceCharting and ten years of auction results put the Altair 8800 at about $8,125 and the IMSAI 8080 at about $1,782.
The Apple-1: what it is worth and how to tell
The Apple-1 is the one vintage computer that sells for six figures. Apple made about 200 in 1976 and sold them for $666.66. Wikipedia's list of sales includes £133,250 at Christie's London in 2010, $905,000 at Bonhams in 2014, $375,000 in 2018, $458,711 in 2020 and about $400,000 in 2021. RR Auction sold a restored example for about $223,000 in 2023 and a working one for $375,000 in 2025. Working examples with original documents and a clear history sit at the top. Prototypes are a separate class: Steve Jobs's demonstration prototype brought $677,196 in 2022, and the prototype known as Board #0 sold for about $2.75 million at RR Auction in January 2026.
If you think you have one, do not power it on, do not clean it and do not sell it to the first buyer who calls. Replicas and reproduction boards exist and are honest hobby items, but they are sometimes passed off as originals. A real one should go to an auction house with a record in computing history, such as Bonhams, Christie's or RR Auction, whose specialists will check the board, the components and the history.
Kit computers and the 1975 to 1977 generation
Kits are the second big tier. The Altair 8800 from MITS, sold from 1975 as a kit for builders, is the machine that started the personal computer industry, and the IMSAI 8080 was its close rival. Others from the same years include the Sol-20, the KIM-1 single-board computer and the Heathkit H8. Many were modified by their owners. A complete, original Altair or IMSAI with its front panel intact and the cards it shipped with sells for much more than a gutted case. Original manuals and documentation matter here more than on any later computer.
What changes the price?
| Factor | Effect on value |
|---|---|
| Fully working, tested, with photo or video proof | The baseline for the working prices above |
| Untested | Priced near the not-working column, often a bit above |
| Dead or not booting | About 30-50 percent of working on a common machine |
| Original box with inserts | Adds roughly 100-200 percent on a common machine |
| Factory sealed | Can triple the boxed price; scarce |
| Manuals, software, receipts from first owner | Adds 10-50 percent, more on early machines |
| Matching original drives and monitor | Adds value as a complete system |
| Heavy yellowing, cracked case, missing keys | Deduct about 20-50 percent |
| Battery or capacitor damage on the board | Deduct heavily; often a parts unit |
| Early production board or label | Adds substantially on Apple II, PET and IBM 5150 |
| Documented history with a notable person or company | Can multiply the price; needs paperwork |
Common mistakes
- Treating every old computer as rare. A Commodore 64, a TI-99/4A or an Atari 800XL is a nostalgic and fun machine, but it was made in the millions and prices reflect that.
- Pricing from asking listings. Listings for common machines at $500 and more often sit for months. Use sold results.
- Powering up an untested machine. Failed capacitors in an old power supply can smoke and damage the board. Test with care or sell as untested.
- Separating a complete system. A computer with its matching drives, monitor, manuals and box usually brings more together than in pieces.
- Assuming a computer board with an Apple logo is an Apple-1. Most are Apple II motherboards, and Apple-1 replicas exist.
How WorthPic reads vintage computer photos
WorthPic runs on the newest and most capable AI model available, tuned for exactly this kind of identification. From photos of the machine it reads the model from the case design, the badge and the keyboard layout. From a close photo of the label it reads the model, the machine type and the serial number. From the motherboard, if visible, it reads the revision markings and checks for battery damage or missing chips. It also notes yellowing, cracks and missing keys, and recognizes boxes, manuals and drives in the photos. It then gives an honest value range with a most likely figure and explains what drives the price. What it cannot know from a photo is whether the machine powers up and works, and it gives separate figures or asks for a short description when that is unknown. It identifies and estimates. It does not test electronics, authenticate, grade or appraise. An Apple-1 candidate, a kit computer or an early Apple II belongs with a specialist auction house.
What to photograph
- The whole machine from the front in daylight, keyboard visible.
- The label on the back or underside, close and readable, with model and serial number.
- The back panel with ports and connectors.
- The motherboard, if the case opens easily, with the revision markings in focus.
- Any box, inserts, manuals, software and receipts.
- A photo or short video of the machine running, if it works.
When to get it looked at in person
A common 1980s home computer does not need an expert. A sold-listing search for the exact model, with an honest note about whether it works and what comes with it, is the whole job. If your box also holds old cell phones, handheld games or consoles, the Game Boy guide and the old Nintendo games guide cover what those bring. Get a second opinion for an Apple-1 candidate, an Altair or IMSAI, a 1977 Apple II or PET with early boards, a sealed or near-new boxed system, or any machine with a documented connection to a notable person or company. For those, an auction house with a technology department, such as RR Auction, Bonhams or Christie's, or a dealer who specializes in early computers, will know the market. A local vintage computer club or festival can help test and identify a machine before it is sold.
Sources
- Wikipedia: Apple I: about 200 made, $666.66 launch price and the list of auction sales, including $905,000 at Bonhams in 2014 and the 2022 and 2026 prototype sales.
- 9to5Mac: Apple-1 sells at auction: working Apple-1 sold for $375,000 at RR Auction in 2025.
- RR Auction: Apple II Computer, Monitor, and Peripherals, lot 7014: working Apple II from the Roger Wagner collection, sold for $2,273 in August 2021.
- Wikipedia: Commodore 64: August 1982 release, $595 launch price and 12.5 to 17 million units sold.
- Smarter MSP: How about them Apple IIs: June 1977 launch at $1,298, two million sold by 1984 and the $4,687 sale in 2015.
- Mental Floss: valuable vintage computers: 2020 ranking compiled by sellmymobile.com from PriceCharting and auction data, with the Altair 8800 at $8,125 and IMSAI 8080 at $1,782.