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Fast ship computer - ship, a

Fast ship computer - ship, a

$34.90
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Dell optiplex 3000 sff intel - optiplex,

Dell optiplex 3000 sff intel - optiplex,

$214.99
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Dell optiplex 780 - dell,

Dell optiplex 780 - dell,

$99.99
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Technovare systems - technovare,

Technovare systems - technovare,

$40.00
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Computer systems a - computer, systems:

Computer systems a - computer, systems:

$89.99
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Intel nuc dc3217iye mini pc - dc3217iye,

Intel nuc dc3217iye mini pc - dc3217iye,

$45.00
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Dell precision 3260 compact - dell,

Dell precision 3260 compact - dell,

$499.00
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Operating systems three easy - operating, systems:

Operating systems three easy - operating, systems:

$30.55
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Dell optiplex 9020 - 9020, sff

Dell optiplex 9020 - 9020, sff

$55.99
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Fundamentals interactive - fundamentals, of

Fundamentals interactive - fundamentals, of

$5.37
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Dell optiplex 3020 desktop - optiplex,

Dell optiplex 3020 desktop - optiplex,

$59.99
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Site reliability engineering - site,

Site reliability engineering - site,

$6.80
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Nec ops desktop computer - ops, amd

Nec ops desktop computer - ops, amd

$59.99
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Fundamentals data - fundamentals, of

Fundamentals data - fundamentals, of

$28.00
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Lsi computer systems ls7084n - lsi,

Lsi computer systems ls7084n - lsi,

$12.48
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Elitedesk 800 sff - elitedesk, g6

Elitedesk 800 sff - elitedesk, g6

$250.00
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Asrock deskmeet x600 - asrock,

Asrock deskmeet x600 - asrock,

$183.99
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Lenovo google meet series - google,

Lenovo google meet series - google,

$275.00
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Intel nuc mini - intel, 8

Intel nuc mini - intel, 8

$139.99
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Higolepc mini computer 1 - mini,

Higolepc mini computer 1 - mini,

$334.99
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System design interview an - ,

System design interview an - ,

$21.00
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Prodesk 600 sff pc - sff,

Prodesk 600 sff pc - sff,

$54.99
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Computer graphics principles - computer, graphics:

Computer graphics principles - computer, graphics:

$5.84
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280 desktop i5 7500 - desktop,

280 desktop i5 7500 - desktop,

$59.99
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Practical programming why - practical, c

Practical programming why - practical, c

$5.06
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Cissp certified - (isc)2,

Cissp certified - (isc)2,

$6.90
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Cissp certified - cissp,

Cissp certified - cissp,

$4.56
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The elements computing - the,

The elements computing - the,

$34.97
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Windows iot enterprise ltsc - 10,

Windows iot enterprise ltsc - 10,

$239.99
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Fundamentals data - fundamentals,

Fundamentals data - fundamentals,

$28.00
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Dell optiplex 7050 intel - dell,

Dell optiplex 7050 intel - dell,

$149.99
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- (electronic, format)

- (electronic, format)

$30.00
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Kinematics and dynamics - and, of

Kinematics and dynamics - and, of

$7.89
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Martin kleppman designing - martin,

Martin kleppman designing - martin,

$40.00
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Computer systems that learn - that, by

Computer systems that learn - that, by

$8.54
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Modern operating systems - modern,

Modern operating systems - modern,

$6.22
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Custom inwin chopin - custom, intel

Custom inwin chopin - custom, intel

$249.99
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Systems analysis and - systems,

Systems analysis and - systems,

$34.28
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Bad usb optiplex micro - usb*,

Bad usb optiplex micro - usb*,

$199.95
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Logitech z407 1 bluetooth - logitech, 2.1

Logitech z407 1 bluetooth - logitech, 2.1

$68.95
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Military army computer - u.s.,

Military army computer - u.s.,

$3.25
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Thin client t640 usff amd - client,

Thin client t640 usff amd - client,

$89.00
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Building microservices - building,

Building microservices - building,

$4.35
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The book mis information - the,

The book mis information - the,

$4.39
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Introduction computer - to,

Introduction computer - to,

$7.69
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Management information systems - information,

Management information systems - information,

$9.37
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Systems thinking managing - systems, thinking:

Systems thinking managing - systems, thinking:

$5.63
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Asrock deskmeet x300 mini pc - ,

Asrock deskmeet x300 mini pc - ,

$193.99
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But how know - do, it

But how know - do, it

$8.24
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Fundamentals information - fundamentals, of

Fundamentals information - fundamentals, of

$4.73
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The haynes computer - computer, &

The haynes computer - computer, &

$4.87
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Accounting information systems - information,

Accounting information systems - information,

$7.17
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Database systems carlos - systems,,

Database systems carlos - systems,,

$26.72
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Automating manufacturing - automating,

Automating manufacturing - automating,

$55.00
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Introduction information - introduction, to

Introduction information - introduction, to

$4.95
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Syslogic embedded systems - syslogic,

Syslogic embedded systems - syslogic,

$199.99
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Computer interface for mrc - computer,

Computer interface for mrc - computer,

$29.00
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Designing cisco networks - designing, by

Designing cisco networks - designing, by

$9.60
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Management information systems - information,

Management information systems - information,

$9.37
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Gaming sound bar hifi - gaming,

Gaming sound bar hifi - gaming,

$20.99
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Introduction computing - introduction,

Introduction computing - introduction,

$11.34
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Latex document preparation - latex:, a

Latex document preparation - latex:, a

$4.11
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Operating systems three easy - systems:,

Operating systems three easy - systems:,

$40.99
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Windows for dummies by - 11,

Windows for dummies by - 11,

$8.67
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Computer systems a - computer,

Computer systems a - computer,

$45.50
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Instant systems sugars - instant,

Instant systems sugars - instant,

$5.67
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Good used delta - good, used!

Good used delta - good, used!

$474.95
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Kubernetes and running d - up,

Kubernetes and running d - up,

$5.00
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Modern operating systems - systems,

Modern operating systems - systems,

$33.90
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Computer systems by - computer, .

Computer systems by - computer, .

$10.84
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Lenovo thinkstation p520 - lenovo,

Lenovo thinkstation p520 - lenovo,

$219.97
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Unix systems programming comm - unix,

Unix systems programming comm - unix,

$5.73
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Computer networks and systems

Computer networks and systems

$5.99
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Site reliability engineering - reliability,

Site reliability engineering - reliability,

$6.80
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Operating system concepts - system,

Operating system concepts - system,

$6.83
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Operating systems principles - operating,

Operating systems principles - operating,

$22.09
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Vintage hds viewstation human - hds,

Vintage hds viewstation human - hds,

$64.99
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Fundamentals information - fundamentals,

Fundamentals information - fundamentals,

$4.73
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Linear systems and signals - linear,

Linear systems and signals - linear,

$27.34
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Programming rust fast safe - programming, rust:

Programming rust fast safe - programming, rust:

$20.62
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Embedded systems introduction - embedded, systems:

Embedded systems introduction - embedded, systems:

$9.98
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Dell optiplex 9010 - dell, 9010/7010

Dell optiplex 9010 - dell, 9010/7010

$84.99
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Intel nuc mini cores - mini, 4-cores

Intel nuc mini cores - mini, 4-cores

$89.99
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Computer systems - systems:, .

Computer systems - systems:, .

$15.16
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Out control the - of,

Out control the - of,

$6.83
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Computer organization and - computer,

Computer organization and - computer,

$7.48
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Queueing systems volume 2 - systems,,

Queueing systems volume 2 - systems,,

$6.00
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Digital networks and - digital,

Digital networks and - digital,

$15.40
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Computer systems good - computer,

Computer systems good - computer,

$39.73
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Asrock deskmini x600 amd - asrock,

Asrock deskmini x600 amd - asrock,

$163.49
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Programming massively parallel - massively,

Programming massively parallel - massively,

$29.99
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Elements artificial neural - of,

Elements artificial neural - of,

$10.98
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Operating systems design and - systems,

Operating systems design and - systems,

$26.51
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Imprex prime pos system - prime,

Imprex prime pos system - prime,

$299.99
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Systems analysis and - and, design

Systems analysis and - and, design

$50.00
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📊95 listings · from $3.25 · avg $66.37

Browse 95 computer systems listings currently in our index. Prices range from $3.25 to $499, with an average of $66.37. 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 computer systems →

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Everything you need to know about computer systems

Whether you are looking for a brand-new or second-hand computer systems, eBay offers one of the largest selections available online. With 95 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 $3.25, while premium listings can reach $499 — giving you a wide budget spread to work with. The average price of $66.37 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.

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