Ti99
Ti99 for sale on Ireland's largest auction and classifieds sites
Texas instruments 4 - instruments, ti-99/4 - £599.99
- Free postage - New and Used
- Free postage - New and Used
Texas instruments 4a - texas, - £200.00
Tested works great • All keys are • Working includes games - Free postage - New and Used
Tested works great • All keys are • Working includes games - Free postage - New and Used
Texas instruments 4a - texas, ti-99/4a - £100.00
Please read texas • Instruments vintage home • Computer power tested - Free postage - New and Used
Please read texas • Instruments vintage home • Computer power tested - Free postage - New and Used
Texas instruments 4 - texas, - £299.99
Sold powers further • Testing done will • Contain scuffs scratches - Free postage - New and Used
Sold powers further • Testing done will • Contain scuffs scratches - Free postage - New and Used
Looking for more ti99?
Search eBay live — fresh results filtered for the best value, updated every hour.
Ti99 finalgrom99 cartridge - ti99/4a, - £67.64
Here have excellent • Finalgrom99 ralph benzinger • Take note side - Free postage - New and Used
Here have excellent • Finalgrom99 ralph benzinger • Take note side - Free postage - New and Used
📊
48 listings · from £1.99 · avg £163.99
⚠️ These listings were last updated more than 21 days ago.
Search for fresh listings
Browse 48 ti99 listings currently in our index. Prices range from £1.99 to £1799, with an average of £163.99. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about ti99 →
Texas instruments - texas, - £99.99
There either power • Switch front next • Cable looks original - Free postage - New and Used
There either power • Switch front next • Cable looks original - Free postage - New and Used
Texas instruments - ti-99, - £85.00
- Free postage - New and Used
- Free postage - New and Used
Fully working 4a - fully, - £135.88
Fully tested working • Using console tester • Which showed issues - Free postage - New and Used
Fully tested working • Using console tester • Which showed issues - Free postage - New and Used
Texas instruments 4a - texas, - £224.95
This entire system • Has been thoroughly • Tested working perfectly - Free postage - New and Used
This entire system • Has been thoroughly • Tested working perfectly - Free postage - New and Used
5ft tvav audio - tvav, - £10.44
Spectravideo 318 328 • This cable will • Allow you connect - Free postage - New and Used
Spectravideo 318 328 • This cable will • Allow you connect - Free postage - New and Used
Texas instruments 4a - texas, - £79.95
Cool complete box • Computer powers that • Only testing ive - Free postage - New and Used
Cool complete box • Computer powers that • Only testing ive - Free postage - New and Used
Vintage texas instruments - vintage, - £175.00
Tested works great • All keys are • Working includes everything - Free postage - New and Used
Tested works great • All keys are • Working includes everything - Free postage - New and Used
Texas instruments home - instruments, - £57.20
Works comes everything • You see photos • Box beat - Free postage - New and Used
Works comes everything • You see photos • Box beat - Free postage - New and Used
Texas instruments 4a - texas, - £100.00
Texas instruments vintage • Home computer box • Speech synthesizer games - Free postage - New and Used
Texas instruments vintage • Home computer box • Speech synthesizer games - Free postage - New and Used
Texas instruments 4a - instruments, ti-99/4a - £100.00
Texas instruments home • Computer original box • Accessories vintage - Free postage - New and Used
Texas instruments home • Computer original box • Accessories vintage - Free postage - New and Used
Texas instruments 4a - texas, - £80.00
Texas instruments vintage • Home computer lot • Booklets untested pre - Free postage - New and Used
Texas instruments vintage • Home computer lot • Booklets untested pre - Free postage - New and Used
6ft monitor composite - tv, - £13.99
Connects any monitor • That rca ready • You need this - Free postage - New and Used
Connects any monitor • That rca ready • You need this - Free postage - New and Used
Texas instruments 4a - instruments, ti-99/4a - £71.20
Computer comes box • Accessories cartridges couple • Books original receipt - Free postage - New and Used
Computer comes box • Accessories cartridges couple • Books original receipt - Free postage - New and Used
New nos sealed - nos, texas - £59.99
That has been • Sealed original package • Case what find - Free postage - New and Used
That has been • Sealed original package • Case what find - Free postage - New and Used
Texas instruments 4 - instruments, 99/4 - £599.95
Unit powers cleanly - Free postage - New and Used
Unit powers cleanly - Free postage - New and Used
New box texas - in, - £400.00
Factory sealed box • Has some water • Damage back crushing - Free postage - New and Used
Factory sealed box • Has some water • Damage back crushing - Free postage - New and Used
Texas instruments 4a - instruments, ti-99/4a - £120.00
Tested works great • All keys are • Cables power supply - Free postage - New and Used
Tested works great • All keys are • Cables power supply - Free postage - New and Used
Vintage texas instruments - texas, - £150.00
Vintage texas instruments • Home computer nostalgic • Piece technology that - Free postage - New and Used
Vintage texas instruments • Home computer nostalgic • Piece technology that - Free postage - New and Used
Texas instruments solid - texas, - £12.00
All have been • Tested cassette adventure • Was not - Free postage - New and Used
All have been • Tested cassette adventure • Was not - Free postage - New and Used
Texas instruments 4a - instruments, ti-99/4a - £64.99
Tested working console • Only - Free postage - New and Used
Tested working console • Only - Free postage - New and Used
Composite video audio - &, tv - £64.99
There also option • Composite hdmi converter • Box cable will - Free postage - New and Used
There also option • Composite hdmi converter • Box cable will - Free postage - New and Used
Milton bradley mbx - ti-99/4a, - £80.00
Untested - Free postage - New and Used
Untested - Free postage - New and Used
Texas instruments 4a - texas, - £21.99
Make very slim • Comfortable atari compatible • Arcade style joystick - Free postage - New and Used
Make very slim • Comfortable atari compatible • Arcade style joystick - Free postage - New and Used
Games by allen - 4a, wyatt - £44.95
- Free postage - New and Used
- Free postage - New and Used
Texas instruments 4a - texas, - £199.99
Mod software good • Overall condition everything • Included that you - Free postage - New and Used
Mod software good • Overall condition everything • Included that you - Free postage - New and Used
1980s texas - 1980s, - £350.00
Seen pics there • Are two consoles • Estate find both - Free postage - New and Used
Seen pics there • Are two consoles • Estate find both - Free postage - New and Used
Texas instruments home - texas, - £99.00
You get keyboard • Console box instruction • Pamphlet plug cables - Free postage - New and Used
You get keyboard • Console box instruction • Pamphlet plug cables - Free postage - New and Used
Texas instruments 4a - texas, - £39.99
This untested looks • Good condition just • Selling - Free postage - New and Used
This untested looks • Good condition just • Selling - Free postage - New and Used
New ti99 compute - new, - £14.99
- Free postage - New and Used
- Free postage - New and Used
Texas instruments ti99 - texas, ti99/4a - £1.99
Texas instruments ti99 • White key stem • Spring make sure - Free postage - New and Used
Texas instruments ti99 • White key stem • Spring make sure - Free postage - New and Used
Texas instruments 4a - texas, - £49.95
Local pickup - Free postage - New and Used
Local pickup - Free postage - New and Used
Lot texas instruments - texas, - £74.99
Being sold untested • Used condition - Free postage - New and Used
Being sold untested • Used condition - Free postage - New and Used
Vintage texas instruments - vintage, - £113.40
Damaged box practically • Pristine condition connection • Wire needs refastening - Free postage - New and Used
Damaged box practically • Pristine condition connection • Wire needs refastening - Free postage - New and Used
Texas instruments 4a - texas, - £135.00
Texas instruments home • Computer vintage computing • Device that comes - Free postage - New and Used
Texas instruments home • Computer vintage computing • Device that comes - Free postage - New and Used
Texas instruments 4a - instruments, ti-99/4a - £200.00
Tested works great • All keys are • Condition still has - Free postage - New and Used
Tested works great • All keys are • Condition still has - Free postage - New and Used
Texas instruments 4a - instruments, ti - £2.29
Texas instruments black • Keycaps used make • Sure you have - Free postage - New and Used
Texas instruments black • Keycaps used make • Sure you have - Free postage - New and Used
Ti99 php1240 disk - ti-99/4a, - £149.99
Ti99 php1240 disk • Drive controller card • Peripheral expansion untested - Free postage - New and Used
Ti99 php1240 disk • Drive controller card • Peripheral expansion untested - Free postage - New and Used
Compute programmer s - compute!, programmer's - £16.00
Authored regena published • 1983 good used • Condition cover wear - Free postage - New and Used
Authored regena published • 1983 good used • Condition cover wear - Free postage - New and Used
Texas instruments game - ti-99, - £1799.00
Condition varies from • Acceptable very good - Free postage - New and Used
Condition varies from • Acceptable very good - Free postage - New and Used
Texas instruments 4a - texas, ti-99/4a - £150.00
- Free postage - New and Used
- Free postage - New and Used
Texas instruments 4a - instruments, ti-99/4a - £200.00
Tested works great • All keys are • Working includes games - Free postage - New and Used
Tested works great • All keys are • Working includes games - Free postage - New and Used
Texas instruments computer - instruments, - £69.90
Untested - Free postage - New and Used
Untested - Free postage - New and Used
Texas instruments computer - instruments, - £84.98
Product collection texas • Instruments ti99 games • Cartridges cassettes manuals - Free postage - New and Used
Product collection texas • Instruments ti99 games • Cartridges cassettes manuals - Free postage - New and Used
Try this: wacom cintiq 12wx | wacom | wd40 | gemini tablet | original apple 60 w magsafe power adapter | powabyke electric bikes | hk695 | wacom cintiq | d link powerline | genuine apple charger macbook
Shop by budget
Everything you need to know about ti99
Whether you are looking for a brand-new or second-hand ti99, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.99, while premium listings can reach £1799 — giving you a wide budget spread to work with. The average price of £163.99 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.