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Machine learning production - machine,

Machine learning production - machine,

$19.99
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Lsi computer systems ls7084n - lsi,

Lsi computer systems ls7084n - lsi,

$12.48
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Windows iot enterprise - windows, ltsc

Windows iot enterprise - windows, ltsc

$249.99
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Lenovo thinkcentre m92p - 🤩5x,

Lenovo thinkcentre m92p - 🤩5x,

$125.00
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Fast ship computer - fast, systems:

Fast ship computer - fast, systems:

$39.06
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Database management systems - database,

Database management systems - database,

$14.99
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Modern systems analysis and - systems,

Modern systems analysis and - systems,

$8.05
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Kill with fire - kill, manage

Kill with fire - kill, manage

$7.10
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Accounting information systems - accounting,

Accounting information systems - accounting,

$7.29
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Computer networks third - computer,

Computer networks third - computer,

$6.90
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Operating systems design and - systems:,

Operating systems design and - systems:,

$7.15
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The elements computing - the, of

The elements computing - the, of

$37.53
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Accounting information systems - accounting,

Accounting information systems - accounting,

$7.11
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Windows iot enterprise - windows,

Windows iot enterprise - windows,

$249.99
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Dell optiplex 7060 - dell,

Dell optiplex 7060 - dell,

$189.99
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Dell optiplex 7450 - dell,

Dell optiplex 7450 - dell,

$94.99
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Lenovo thinkstation p520 - thinkstation, intel

Lenovo thinkstation p520 - thinkstation, intel

$389.95
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Engage one 145 - engage, pos

Engage one 145 - engage, pos

$289.98
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Computer graphics principles - graphics:,

Computer graphics principles - graphics:,

$9.47
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Compaq dc7600 desktop - compaq,

Compaq dc7600 desktop - compaq,

$79.95
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The haynes computer codes - the,

The haynes computer codes - the,

$4.29
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Rebels work lois kelly - at,

Rebels work lois kelly - at,

$3.97
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Teach yourself visually - teach,

Teach yourself visually - teach,

$4.15
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Patterns distributed - patterns,

Patterns distributed - patterns,

$39.99
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Cissp certified - (isc)2,

Cissp certified - (isc)2,

$4.56
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Using mis david - using, mis,

Using mis david - using, mis,

$4.56
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Simulating computer systems - simulating,

Simulating computer systems - simulating,

$19.39
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Gaming sound bar - gaming, bar,

Gaming sound bar - gaming, bar,

$20.99
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Microtouch lcd - microtouch,

Microtouch lcd - microtouch,

$376.56
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Dell dimensin l700cx - dell,

Dell dimensin l700cx - dell,

$89.95
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Dell optiplex 7050 intel - dell, mt

Dell optiplex 7050 intel - dell, mt

$91.99
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Asrock deskmeet x300 mini - , pc

Asrock deskmeet x300 mini - , pc

$183.99
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Database systems carlos - database, systems,

Database systems carlos - database, systems,

$5.84
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Cissp certified - cissp,

Cissp certified - cissp,

$6.43
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Systems analysis and design - systems,

Systems analysis and design - systems,

$6.51
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600 computer security - computer,

600 computer security - computer,

$19.99
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Intel nuc mini - nuc,

Intel nuc mini - nuc,

$139.99
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Computer organization and - computer,

Computer organization and - computer,

$33.34
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Minisforum 139d7 gaming - minisforum,

Minisforum 139d7 gaming - minisforum,

$773.00
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Lenovo thinkcentre m92p - m92p, pc

Lenovo thinkcentre m92p - m92p, pc

$77.99
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Sgi new logo - new, graphics

Sgi new logo - new, graphics

$50.00
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Juniper systems allegro - juniper,

Juniper systems allegro - juniper,

$719.99
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Asrock deskmini x600 amd - asrock,

Asrock deskmini x600 amd - asrock,

$163.49
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Intel nuc mini - nuc,

Intel nuc mini - nuc,

$89.99
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Modern operating systems - systems,

Modern operating systems - systems,

$6.65
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Safety critical computer - safety,

Safety critical computer - safety,

$7.77
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Version control with git - version,

Version control with git - version,

$4.70
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Systems approach - approach, to

Systems approach - approach, to

$12.06
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Compilers principles - compilers:,

Compilers principles - compilers:,

$9.28
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Lenovo thinkstation p520 - lenovo,

Lenovo thinkstation p520 - lenovo,

$219.97
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Exploring the unix - exploring, system

Exploring the unix - exploring, system

$4.56
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Textbook computer networks - textbook,

Textbook computer networks - textbook,

$11.65
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Linear systems and signals - systems,

Linear systems and signals - systems,

$14.74
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Lenovo google meet series one - meet,

Lenovo google meet series one - meet,

$275.00
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Specifying systems the - systems, :

Specifying systems the - systems, :

$38.85
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Embedded systems design - embedded, design:

Embedded systems design - embedded, design:

$3.87
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Cissp certified information - cissp:,

Cissp certified information - cissp:,

$4.45
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Systems thinking managing - systems, thinking:

Systems thinking managing - systems, thinking:

$7.02
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But how know the - how,

But how know the - how,

$10.30
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Out control the new - of,

Out control the new - of,

$5.86
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Programming massively parallel - programming,

Programming massively parallel - programming,

$29.99
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Linux basics for hackers - basics,

Linux basics for hackers - basics,

$17.06
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Systems thinking coping with - systems,

Systems thinking coping with - systems,

$23.96
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Managing and using information - managing,

Managing and using information - managing,

$18.32
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Accounting information systems - information,

Accounting information systems - information,

$21.48
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Computer systems glenn a - systems,

Computer systems glenn a - systems,

$10.99
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Introduction operating - introduction, to

Introduction operating - introduction, to

$11.03
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Computers components - computers,

Computers components - computers,

$7.30
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Cissp certified - (isc)2,

Cissp certified - (isc)2,

$6.43
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Security engineering guide - engineering:, a

Security engineering guide - engineering:, a

$4.68
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Uterm vga terminal - vga, pcb

Uterm vga terminal - vga, pcb

$10.00
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Computer systems a - computer,

Computer systems a - computer,

$65.22
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New t530 thin - thin, client

New t530 thin - thin, client

$39.99
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Operating systems demystified - operating,

Operating systems demystified - operating,

$6.83
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Architecting spacecraft with - spacecraft,

Architecting spacecraft with - spacecraft,

$14.84
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How linux works - how, works,

How linux works - how, works,

$6.42
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Dell optiplex 3080 - dell, mt

Dell optiplex 3080 - dell, mt

$49.99
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Computer safe automotive - safe, logic

Computer safe automotive - safe, logic

$21.95
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Gpu mining rig machine - mining,

Gpu mining rig machine - mining,

$425.00
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Designing data intensive - designing, data-intensive

Designing data intensive - designing, data-intensive

$19.89
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Learning the bash - shell,, 2nd

Learning the bash - shell,, 2nd

$6.09
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Windows for dummies - windows, (for

Windows for dummies - windows, (for

$4.38
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Architecture small computer - architecture,

Architecture small computer - architecture,

$15.38
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Database systems a - database,

Database systems a - database,

$11.99
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Sgi new logo silicon graphics - sgi,

Sgi new logo silicon graphics - sgi,

$28.00
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Vintage hds viewstation human - hds,

Vintage hds viewstation human - hds,

$64.99
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Using dos 1987 - using,

Using dos 1987 - using,

$14.00
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Computer systems that learn - systems,

Computer systems that learn - systems,

$25.31
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Introduction database - an,

Introduction database - an,

$6.77
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Thin client t640 usff amd - usff,

Thin client t640 usff amd - usff,

$89.00
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Reliable computer systems - reliable,

Reliable computer systems - reliable,

$93.82
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Sed awk paperback - sed,

Sed awk paperback - sed,

$4.48
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Zignx access control - control, system

Zignx access control - control, system

$92.87
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Nixos bootable dvd - 26.05,

Nixos bootable dvd - 26.05,

$8.99
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📊94 listings · from $3.87 · avg $71.19

Browse 94 computer systems listings currently in our index. Prices range from $3.87 to $773, with an average of $71.19. 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 94 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 $3.87, while premium listings can reach $773 — giving you a wide budget spread to work with. The average price of $71.19 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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