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craigslist

Computers For Sale By Owner in Castro Valley, CA

  1. see also
  2. Full tower Gaming PC. Need new power supply
    $400
    hayward / castro valley
  3. Various Dell Charger Adapters for Laptop
    $20
    hayward / castro valley
  4. used 24" Dell monitor
    $60
    hayward / castro valley
  5. Calculators, translators
    $0
    hayward / castro valley
  6. BNIB Microsoft Wireless Optical Desktop 1000
    $20
    south bay area
  7. Samsung Computer Screen
    $40
    san leandro
  8. Apple macbook pro 16” m3 pro 36gb 512gb sealed box silver apple receipt
    $2,600
    San Jose / Hayward / SF
  9. New Apple MacBook Pro 16” M2 Pro 16gb Ram 1TB sealed box
    $2,600
    San Jose / Hayward / SF
  10. Apple macbook pro 16” m3 max 36gb 1tb sealed space black with apple receipt
    $3,300
    San Jose / Hayward / SF
  11. Apple macbook pro 16” m3 pro 36gb 512gb new sealed space black
    $2,600
    San Jose / Hayward / SF
  12. Apple macbook pro 16” m3 max silver or space black new sealed
    $3,300
    Hayward / San Jose / SF
  13. Apple macbook pro 14” m4 max 48gb 1tb sealed space black new
    $4,000
    San Jose / Hayward / SF
  14. 16” MacBook Pro M5 Max (48GB / 2TB) – Brand New
    $4,700
    San Jose / Hayward / SF
  15. Apple Macbook Pro 16” M5 Pro 64gb 2TB Nano Display Sealed
    $4,500
    Hayward / San Jose / SF
  16. Apple macbook pro m5 pro 24gb 1TB 16 inch space black new sealed
    $2,800
    Bay Area
  17. Apple macbook pro 16” m3 max 36gb 1tb sealed space black or silver
    $3,200
    San Jose / Hayward / SF
  18. Apple macbook pro 16” m3 max black or silver new sealed
    $3,200
    Hayward / San Jose / SF
  19. Apple macbook pro 14” m4 max 48gb 1tb sealed space black new
    $4,000
    San Jose / Hayward / SF
  20. Apple macbook pro 16” m3 max 36gb ram 1TB silver
    $3,200
    San Jose / Hayward / SF
  21. Apple macbook pro 14” m4 max 36gb or 48gb 1tb sealed space black new
    $3,200
    San Jose / Hayward / SF
  22. Apple macbook pro 16” m3 max 36gb 1tb sealed silver with apple receipt
    $3,200
    San Jose / Hayward / SF
  23. Apple macbook pro 14” m4 max 48gb 1tb sealed space black new
    $4,000
    San Jose / Hayward / SF
  24. Apple macbook pro 16” m3 max space black new sealed
    $3,200
    Hayward / San Jose / SF
  25. Dell Optiplex 790/990 SFF Core i5-2400 @ 3.10GHz 4 GB RAM Bad Power Supply
    $25
    Hayward
  26. HP Folio 13 i5-2467M 1.6GHz 4 GB, 120gb wifi Laptop
    $50
    Hayward
  27. 27" Mac with 27" Thunderbolt display: i7 3.5Ghz, 16GB Ram, 500GB HD
    $250
    san leandro
  28. Dell Pro 34 Plus Monitor - P3424WEB (2025) (OBO)
    $550
    san leandro
  29. Keyboard, Like New
    $10
    hayward / castro valley
  30. New LG 14X Super-Multi External Blu-Ray Disc Writer
    $170
    hayward / castro valley
  31. Retro Vintage 486 Desktop Tower with cables *boots
    $130
    Hayward
  32. Geforce Rtx 3050 graphic card
    $300
    Hayward
  33. Alienware 2721D 240hz HDR600 Monitor
    $350
    san leandro
  34. Philip 27 inches monitor
    $50
    hayward / castro valley
  35. Dell Latitude 5350 | Intel Core Ultra 5 | 16GB Ram | Touchscreen
    $600
    hayward / castro valley
  36. Advantech UTX-3115 industrial PC
    $40
    hayward / castro valley
  37. Eero max 7 tri band mesh WI FI system - 3 units
    $900
    San Leandro
  38. Apple macbook pro 14" m4 max 48gb 1tb sealed space black with apple receipt
    $4,000
    San Jose / Hayward / SF
  39. Apple macbook pro 16” m3 max 36gb 1TB sealed
    $3,300
    San Jose / Hayward / SF
  40. Apple macbook pro 14” m4 max 48gb 1tb sealed space black
    $4,000
    San Jose / Hayward / SF
  41. HP 8000 Pro upgrade SS 250 drive 4gb 3 ghz
    $25
    castro valley
  42. Dell Latitude E7450 Laptop i5-5300U@2.30GHZ, 16GB Ram, 256GB SSD, Windows 11
    $125
    san leandro
  43. Dell Pro 34 Plus Monitor - P3424WEB (2025) (OBO)
    $555
    san leandro
  44. TSC Thermal Printer TDP-247
    $45
    San Leandro
  45. Lenovo ThinkPad T470, i7-7600U, 16GB, 500GB with Ultra Dock
    $160
    san leandro
  46. Dell single monitor arm MSA14
    $25
    san leandro
  47. Apple Macbook Pro 2019 16" i7 16GB RAM 500gb SSD
    $300
    hayward / castro valley
  48. Apple Mac Pro (2013) “Trash Can”
    $200
    hayward / castro valley
  49. Brand New in box Raspberry Pi 4 Model B 4GB RAM
    $100
    hayward / castro valley
  50. Genuine Leather Dell Laptop Messenger Bag/ Briefcase w/ Shoulder Strap
    $20
    hayward / castro valley
  51. HP PSC 2355 All-In-One Printer/Scanner/Copier
    $45
    hayward / castro valley
  52. New-in-Box Xerox DocuPrint C8 Printer
    $45
    hayward / castro valley
  53. Height Adjustable Computer Wrist Rest
    $10
    hayward / castro valley
  54. Memory Foam Computer Wrist Rest
    $5
    hayward / castro valley
  55. MacBook Pro 15" C2D 2.8GHZ NVIDIA GPU 4GB RAM/500GB HD Mac Os HiSierra
    $180
    san leandro
  56. Apple MacBook Pro 13" C2D NVIDIA GPU 2.4 GHZ 4GB/128GB SSD Mojave
    $140
    san leandro
  57. Apple MacBook Air 11" Intel i5 2GB RAM 64GB SSD MacOS High Sierra
    $120
    san leandro
  58. RARE MacBook Pro 17" A1297 C2D NVIDIA GPU 8GB RAM 750 HD MacOs HISiera
    $270
    san leandro
  59. Apple MacBook Air 2015 13" Intel i5 4GB Ram 128 GB SSD, Mac OS Montery
    $190
    san leandro
  60. Apple MacBook Pro 13" Intel i7 2.7 GHz 6GB RAM 256GB SSD MacOs Mojave
    $180
    san leandro
  61. Apple MacBook Air 2015 13" Intel i5 8GB Ram 256GB SSD, MacOS Monterey
    $220
    san leandro
  62. MacBook Pro RETINA A1398 15" i7 Quad Core 8 GB RAM/256GB SSD Catalina
    $260
    san leandro
  63. MacBook Pro 15" C2D.8GHZ NVIDIA GPU 4GB RAM/500GB HD Mac Os Hi Sierra
    $180
    san leandro
  64. Apple MacBookPro 15.4 Int i7 2.66 GHZ 8 GB RAM 512 GB SSD MacOS Mojave
    $220
    san leandro
  65. Apple MacBook Pro A1502 13.3" RETINA Laptop i5 2.7GHz 8GB 256GB SSD
    $220
    san leandro
  66. Apple MacBookPro Int Core m3 RETINA 12" GOLD 8GB RAM 256GB SSD Ventura
    $260
    san leandro
  67. Apple MacBook Air 13.3" 2017 - i5 - 8GB RAM - 256GB SSD MacOs Monterey
    $260
    san leandro
  68. Apple MacBook Air 2015 13" Intel i7 8GB RAM 512GB SSD MacOs Monterey
    $260
    san leandro
  69. Apple MacBook Pro RETINA Rose Gold 12" Int Core M3 8GB RAM 256GB SSD
    $260
    san leandro
  70. Apple MacBook Pro Retina TOUCHBAR A1707 15.4" i7 3.1GHZ 16 GB / 1 TB
    $420
    san leandro
  71. APPLE MACBOOK PRO 2015 A1398 RETINA 15" i7 4Core 16GB/512GB Monterey
    $340
    san leandro
  72. Toshiba Satellite Laptop 15.6"Core i7 2.4GHz 8GB RAM 512 GB SSD Win10
    $190
    san leandro
  73. Apple MacBook Air 11" Intel i7 8GB RAM 512GB SSD MacOS Big Sur
    $220
    san leandro
  74. Apple MacBook Air 13" 2015 Intel i5 8GB RAM 256GB SSD MacOs Monterey
    $220
    san leandro
  75. Apple MACBOOK PRO 13" A1502 RETINA i5 8GB RAM 512GB SSD, Mac Os Monter
    $240
    san leandro
  76. Apple MacBook Pro 13" Intel i7 2.7 GHz 8GB RAM 750GB HDD MacOs Mojave
    $190
    san leandro
  77. Dell E310DW Wireless Monochrome Laser Printer NEW
    $325
    san leandro
  78. HPE ProLiant DL580 G9 Server Gen9 Gen 9
    $400
    hayward / castro valley
  79. TP-link AC1750 Mesh WIFI router
    $55
    alameda
  80. Linksys WRT160N V2 router
    $20
    alameda
  81. Computer
    $250
    hayward / castro valley
  82. Raspberry Pi 2B, Xbox 360 controller, RetroPie, 8GB SD card
    $100
    hayward / castro valley
  83. MacBook Pro Air Notebook sale 2011-2019
    $399
    dublin / pleasanton / livermore
  84. new custom built gaming PC
    $850
    hayward / castro valley
  85. Apple Magic Mouse
    $45
    Hayward
  86. Lightly Used Apple Magic Mouse
    $30
    Hayward
  87. HP office jet pro 6978
    $150
    Castro Valley
  88. Netgear 10/100/1000 GS 605 Switch
    $10
    hayward / castro valley
  89. Cisco CCNA Books
    $20
    hayward / castro valley
  90. Dell Pro 34 Plus Monitor - P3424WEB (2025) (OBO)
    $575
    san leandro
  91. Macbook Air M1 2020
    $400
    Hayward
  92. USED TP Link AV600 Powerline Ethernet Adapter
    $25
    hayward / castro valley
  93. Surface Go 3
    $150
    san leandro
  94. Computer desks with shelves
    $30
    Hayward
  95. Gaming chair
    $15
    Hayward
  96. Netgear ORBI Modem/Router combo and satellite
    $50
    hayward / castro valley
  97. LG monitor designed for Apple
    $60
    hayward / castro valley
  98. Samsung CLX-3175 Multi-function Color Laser Printer Parts
    $40
    hayward / castro valley
  99. Dell Latitude 7300 Laptop 13.3” screen - i7 8GB 256SSD
    $120
    hayward / castro valley
  100. Dell OptiPlex 5060 Micro Desktop Computer
    $120
    hayward / castro valley
  101. OLD Apple Mac Mini Model A1283 - Working, but old
    $25
    hayward / castro valley
  102. Dell Studio Hybrid 140g - No HDD or Power Included
    $15
    hayward / castro valley
  103. HP EliteOne 800 G3 AiO Touch Screen PC
    $250
    Castro Valley
  104. Dell Latitude 5420 intel Core i5-1145G7@ 2.60 GHZ 16GB Ram 512GB NVMe
    $380
    hayward / castro valley
  105. Dell Latitude 5490 14" FHD Intel Core i5-8250U 1.6GHz 16GB 256GB SSD W
    $250
    hayward / castro valley
  106. HP EliteBook 850 G5 15.6" i5-8250U 2.6GHz 8GB RAM 256 GB SSD
    $375
    hayward / castro valley
  107. Lenovo Yoga 730 15"
    $295
    hayward / castro valley
  108. Dell Pro 34 Plus Monitor - P3424WEB (2025) (OBO)
    $600
    san leandro
  109. Dell Pro 34 Plus Monitor - P3424WEB (2025) (OBO)
    $600
    san leandro
  110. Lenovo IdeaCentre AIO 3 24" PC Computer, Touchscreen, Intel i3 11th Ge
    $290
    hayward / castro valley
  111. ThinkPad T490 i7 16GB 256GB 14" 2K WQHD Display - $420 OBO - Bay Area
    $399
    San Lorenzo
  112. Dental curing light
    $85
    San Leandro
  113. Lenovo T14 core i5 gen 11 1145G7 24gb 256 ssd windows 10 pro
    $280
    San Leandro
  114. Christie FHD554-XZ-H - 55' LCD Video Wall Panel, Full HD 700 Nits
    $1,200
    San Leandro
  115. Dental vacuum Midmark classic series 4HP
    $1,500
    San Leandro
  116. Lenovo T490 core i5 8365U 16gb 256 ssd windows 10 pro
    $160
    San Leandro
  117. Electric commercial 230v adapter bundle
    $250
    San Leandro
  118. Dental Auto mix alginate
    $40
    San Leandro
  119. Lenovo T14 Gen 2 Core I5 11th 16gb 256gb Windows 10 pro
    $200
    San Leandro
  120. Redwing Dental model trimmer
    $150
    San Leandro
  121. Dell optiplex 7050 core i5 7500 16gb 512 ssd ,windows 10 pro brand new keyboard
    $125
    San Leandro
  122. KEYSTONE ProForm Dental VACUUM FORMER
    $150
    San Leandro
  123. Dell professional curve 34 inches P3421W USB-C
    $280
    San Leandro
  124. Dental forming motor heat machine
    $110
    San Leandro
  125. RAMVAC BISON 7 DENTAL VACUUM PUMP 230V 3HP
    $2,800
    San Leandro
  126. Viewsonic LED monitor VP191b
    $10
    san leandro
  127. HP Deskjet 932C Printer - Hewlett Packard
    $150
    hayward / castro valley
  128. Lenovo thinkpad T14 core i5 1250p 16gb 256 ssd windows 10 pro
    $280
    San Leandro
  129. Excellent cond Apple Macbook Pro Retina 13" I5 8GB
    $150
    san leandro
  130. HP OfficeJet 3830 All-in-One Printer
    $20
    Castro Valley
  131. Dell Pro 34 Plus Monitor - P3424WEB (2025) (OBO)
    $575
    san leandro
  132. MSI X570-A Pro Ryzen 9 3900X 32GB RTX 2070 512GB SSD Desktop Fractal
    $600
    concord / pleasant hill / martinez
  133. High-end gaming pc Ryzen 7800X3D + 4070 ti super
    $2,100
    hayward / castro valley
  134. AUTODESK Autocad 2026
    $129
    hayward / castro valley
  135. Apple Magic USB - C Keyboard (Like New)
    $60
    hayward / castro valley
  136. 🔄✨ Barter / Trade – High-Value Electronics & Gear – Like New / New! ✨
    $0
    hayward / castro valley