Skip to main content
Hi !Hi! Sign in or registerHelp & Contact
Sell
Watchlist
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watchlist
  • Purchase History
  • Selling
  • Saved feed
  • Saved Searches
  • Saved Sellers
  • Messages
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Copyright © 1995-2025 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice

Seagate 16 MB Cache Internal Hard Disk Drives 640 GB Storage Capacity

More to explore

  • 1000 Gb Hard Drive
  • 100gb Sata Laptop Hard Drive
  • 120gb Ide Laptop Hard Drive
  • 1tb Hard Drive Lot
  • 1tb Internal Laptop Hard Drive
  • 1tb Laptop Hard Drive
  • 250gb Sata Laptop Hard Drive
  • 2gb Hard Drive
  • 2gb Ide Hard Drive
  • 2tb 2 5 Hard Drive
  • 2tb Laptop Hard Drive
  • 50 Pin Scsi Hard Drive
  • 7mm Hard Drive
  • 80gb Ide Laptop Hard Drive
  • 80gb Sata Laptop Hard Drive
  • Acer Aspire Hard Drive
  • Acer Laptop Hard Drive
  • Asus Laptop Hard Drive
  • Ata Hard Drive
  • Ata Laptop Hard Drive
  • Cctv Hard Drive
  • Compaq Presario Cq60 Hard Drive
  • Compaq Presario Cq62 Hard Drive
  • Compaq Presario Hard Drive
  • Compellent In Internal Hard Disk Drives
  • Data Domain In Internal Hard Disk Drives
  • Dell D620 Hard Drive
  • Dell Inspiron 1501 Hard Drive
  • Dell Inspiron 1545 Hard Drive
  • Dell Inspiron 6400 Hard Drive
  • Dell Inspiron 8200 Hard Drive
  • Dell Inspiron Laptop Hard Drive
  • Dell Inspiron N5010 Hard Drive
  • Dell Laptop Hard Drive
  • Dell Latitude D820 Hard Drive
  • Dell Latitude E6400 Hard Drive
  • Dell Optiplex 745 Hard Drive
  • Dell Optiplex 755 Hard Drive
  • Dell Poweredge 2950 Hard Drive In Internal Hard Disk Drives
  • Dell Studio 1555 Hard Drive
  • Dell Xps M1330 Hard Drive
  • Dell Xps M1530 Hard Drive
  • Dvr Sata Hard Drive
  • Hard Drive Head In Internal Hard Disk Drives
  • Hard Drive Parts
  • Hard Drive With Os
  • Hard Drive With Windows
  • Hp Compaq Nc6400 Hard Drive
  • Hp Dv7 Hard Drive In Internal Hard Disk Drives
  • Hp G60 Hard Drive
  • Hp Mini 110 Hard Drive
  • Hp Pavilion Dv8000 Hard Drive
  • Hp Pavilion Hard Drive
  • Hp Touchsmart Hard Drive
  • Hybrid Hard Drive
  • Ibm Thinkpad Hard Drive In Internal Hard Disk Drives
  • Ide Laptop Hard Drive
  • Ide Laptop Hard Drive 7200 Rpm
  • Imac G5 Hard Drive
  • Imac Hard Drive
  • Ipod Hard Drive
  • Lenovo T400 Hard Drive Indiana Internal Hard Disk Drives
  • Lenovo T60 Hard Drive
  • Macbook Hard Drive
  • Macbook Pro 13 Hard Drive
  • Macbook Pro Internal Hard Drive
  • Pata Hard Drive
  • Pc Hard Drive 500gb
  • Sata Desktop Hard Drive
  • Sata Hard Drive Lot
  • Sata Laptop Hard Drive Lot
  • Seagate Barracuda
  • Seagate Barracuda St1000dm003
  • Seagate Barracuda St2000dm001 2tb
  • Seagate Barracuda St3000dm001 3tb
  • Sony Vaio Hard Drive
  • T43 Hard Drive
  • Thinkpad X41 Hard Drive
  • Toshiba Laptop Hard Drive
  • Toshiba Satellite A205 Hard Drive
  • Toshiba Satellite C655d Hard Drive
  • Toshiba Satellite Hard Drive
  • Toshiba Satellite Laptop Hard Drive
  • Ultra Ata Hard Drive
  • Western Digital Ide Hard Drive
  • Western Digital Internal Hard Disk Drive Parts
  • Windows 7 Hard Drive

breadcrumb

  • eBay
    • Electronics
    • Computers/Tablets & Networking
    • Drives, Storage & Blank Media
    • Hard Drives (HDD, SSD & NAS)
  • Electronics
  • Computers/Tablets & Networking
  • Drives, Storage & Blank Media
  • Hard Drives (HDD, SSD & NAS)
  • Internal Hard Disk Drives
  • Seagate 16 MB Cache Internal Hard Disk Drives 640 GB Storage Capacity

Shop by Category

  • Hard Drives (HDD, SSD & NAS)
    • Internal Hard Disk Drives
    • External Hard Disk Drives
    • Network Attached Storage
    • Other Hard Drives
    • Solid State Drives
    • Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 1 of 3
    • Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 2 of 3
    • Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 3 of 3

    Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive

    Brand New · Seagate
    S$ 26.69
    Free shipping
    ⁣⁣⁣H⁣1⁣ ⁣A⁣⁣⁣⁣T⁣⁣⁣⁣⁣ ⁣A⁣⁣A⁣ ⁣I⁣⁣⁣J⁣⁣ ⁣X⁣⁣
    • Seagate Barracuda 7200.11 ST3640623AS 640GB 7200RPM 16MB SATA II 3.5'' Inch - Image 1 of 3
    • Seagate Barracuda 7200.11 ST3640623AS 640GB 7200RPM 16MB SATA II 3.5'' Inch - Image 2 of 3
    • Seagate Barracuda 7200.11 ST3640623AS 640GB 7200RPM 16MB SATA II 3.5'' Inch - Image 3 of 3

    Seagate Barracuda 7200.11 ST3640623AS 640GB 7200RPM 16MB SATA II 3.5'' Inch

    Brand New · Seagate
    S$ 371.34
    or Best Offer
    S$ 63.57 shipping
    ⁣⁣⁣⁣⁣0⁣D⁣ ⁣W⁣⁣⁣O⁣ ⁣G⁣M⁣⁣ ⁣⁣S⁣K⁣⁣⁣ ⁣4⁣P⁣⁣ ⁣F⁣
    • Seagate barracuda 7200.11 ST3640623AS 640GB 7200U/Min 16MB SATA II 3.5'' Inch - Image 1 of 3
    • Seagate barracuda 7200.11 ST3640623AS 640GB 7200U/Min 16MB SATA II 3.5'' Inch - Image 2 of 3
    • Seagate barracuda 7200.11 ST3640623AS 640GB 7200U/Min 16MB SATA II 3.5'' Inch - Image 3 of 3

    Seagate barracuda 7200.11 ST3640623AS 640GB 7200U/Min 16MB SATA II 3.5'' Inch

    Brand New · Seagate
    S$ 376.43
    or Best Offer
    S$ 63.29 shipping
    ⁣⁣X⁣⁣⁣V⁣⁣ ⁣I⁣⁣⁣⁣9⁣⁣⁣⁣ ⁣⁣⁣D⁣⁣⁣⁣⁣⁣K⁣ ⁣K⁣
    • Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 1 of 3
    • Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 2 of 3
    • Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 3 of 3

    Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive

    Brand New · Seagate
    S$ 30.06
    Free shipping
    ⁣0⁣B⁣⁣ ⁣⁣Y⁣⁣I⁣ ⁣P⁣⁣⁣N⁣⁣ ⁣⁣⁣⁣⁣⁣⁣⁣K⁣⁣⁣E⁣⁣
  • Seagate barracuda 7200.11 ST3640623AS 640GB 7200U/Min 16MB SATA II 3.5'' Inch - Image 1 of 3

    Seagate barracuda 7200.11 ST3640623AS 640GB 7200U/Min 16MB SATA II 3.5'' Inch

    Brand New · Seagate
    S$ 378.54
    or Best Offer
    S$ 62.88 shipping
    ⁣⁣⁣⁣1⁣⁣⁣P⁣⁣ ⁣H⁣⁣D⁣ ⁣⁣Y⁣R⁣ ⁣T⁣I⁣⁣ ⁣W⁣⁣V⁣⁣⁣⁣
  • Seagate Momentus 640GB ST9640423AS 5400 RPM SATA 2.5"Internal HDD HARD DRIVE - Image 1 of 3

    Seagate Momentus 640GB ST9640423AS 5400 RPM SATA 2.5"Internal HDD HARD DRIVE

    Brand New · Seagate
    S$ 28.66
    Free shipping
    P⁣X⁣ ⁣4⁣0⁣⁣ ⁣Q⁣C⁣⁣ ⁣⁣D⁣B⁣ ⁣⁣7⁣⁣⁣⁣F⁣⁣ ⁣J⁣⁣⁣⁣ ⁣
  • Seagate Barracuda 7200.11 640GB SATA Internal Desktop Hard Drive Mo: ST3640623AS - Image 1 of 3

    Seagate Barracuda 7200.11 640GB SATA Internal Desktop Hard Drive Mo: ST3640623AS

    Pre-Owned · Seagate
    S$ 42.13
    or Best Offer
    S$ 55.40 shipping
    S⁣p⁣o⁣V⁣n⁣T⁣s⁣ ⁣o⁣U⁣U⁣ ⁣r⁣е⁣0⁣d⁣⁣D⁣⁣⁣⁣ ⁣⁣⁣V⁣F⁣⁣ ⁣
  • Seagate ST9640423AS 9ZW144-030 0001DEM1 (5WS1) WU China 2.5" 640gb Sata 07/2011 - Image 1 of 2

    Seagate ST9640423AS 9ZW144-030 0001DEM1 (5WS1) WU China 2.5" 640gb Sata 07/2011

    Pre-Owned · Seagate
    S$ 64.71
    or Best Offer
    S$ 26.37 shipping
    3 watching
    9⁣S⁣p⁣Z⁣o⁣n⁣ ⁣s⁣о⁣B⁣F⁣ ⁣r⁣L⁣e⁣d⁣⁣⁣H⁣⁣⁣⁣ ⁣⁣⁣B⁣⁣⁣
  • ST9640423AS Seagate 640GB 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 1 of 4

    ST9640423AS Seagate 640GB 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive

    New (Other) · Seagate
    S$ 23.35
    Was: S$ 24.57was - S$ 24.57
    or Best Offer
    Free shipping
    S⁣O⁣р⁣R⁣o⁣n⁣s⁣o⁣ ⁣B⁣r⁣5⁣ ⁣8⁣e⁣d⁣⁣U⁣⁣ ⁣Q⁣F⁣⁣ ⁣⁣M⁣⁣N⁣
  • Seagate ST9640423AS 640GB Hard Disk HDD 2.5" SATA Notebook Laptop Refurbished - Image 1 of 4

    Seagate ST9640423AS 640GB Hard Disk HDD 2.5" SATA Notebook Laptop Refurbished

    Pre-Owned · Seagate
    S$ 125.40
    or Best Offer
    S$ 5.66 shipping
    M⁣Ѕ⁣p⁣o⁣8⁣n⁣ ⁣Y⁣s⁣o⁣r⁣e⁣d⁣⁣⁣U⁣⁣⁣⁣ ⁣⁣⁣6⁣N⁣ ⁣D⁣⁣⁣
  • Seagate ST3640623AS PN 9FZ164-188 FW SD43 TK 9VK 640GB SATA 3.5" Hard Disk - Image 1 of 2

    Seagate ST3640623AS PN 9FZ164-188 FW SD43 TK 9VK 640GB SATA 3.5" Hard Disk

    Pre-Owned · Seagate
    S$ 140.42
    S$ 43.76 shipping
    ⁣X⁣I⁣ ⁣⁣⁣3⁣⁣T⁣ ⁣⁣⁣⁣A⁣⁣⁣⁣W⁣ ⁣⁣⁣⁣⁣⁣R⁣2⁣⁣⁣
  • Seagate Barracuda 640GB SATA Internal 7200RPM Hard Drive - ST3640623AS - Image 1 of 1

    Seagate Barracuda 640GB SATA Internal 7200RPM Hard Drive - ST3640623AS

    Pre-Owned · Seagate
    S$ 35.12
    S$ 30.21 shipping
    ⁣P⁣⁣M⁣ ⁣4⁣⁣⁣F⁣ ⁣⁣B⁣P⁣⁣ ⁣8⁣⁣⁣⁣⁣X⁣⁣⁣ ⁣⁣K⁣D⁣⁣
  • Hard Disk 640GB Seagate Momentus ST9640423AS - SATA 640 GB - Image 1 of 1

    Hard Disk 640GB Seagate Momentus ST9640423AS - SATA 640 GB

    Pre-Owned · Seagate
    S$ 86.30
    or Best Offer
    S$ 22.04 shipping
    ⁣⁣⁣M⁣⁣⁣Z⁣ ⁣1⁣E⁣ ⁣⁣⁣⁣C⁣⁣⁣⁣L⁣⁣⁣⁣ ⁣T⁣Q⁣⁣ ⁣L⁣
  • ST9640423AS 9ZW144-030 FW:0001DEM1 640gb Sata Laptop Drive - Image 1 of 4

    ST9640423AS 9ZW144-030 FW:0001DEM1 640gb Sata Laptop Drive

    Pre-Owned · Seagate
    S$ 54.27
    or Best Offer
    S$ 29.85 shipping
    ⁣⁣5⁣⁣0⁣⁣⁣⁣ ⁣G⁣I⁣⁣ ⁣⁣V⁣⁣⁣⁣⁣⁣Z⁣ ⁣S⁣I⁣⁣⁣ ⁣⁣
  • Seagate St9640423as 640gb Hard Disk HDD 2,5 " SATA Notebook Laptop Refurbished - Image 1 of 4

    Seagate St9640423as 640gb Hard Disk HDD 2,5 " SATA Notebook Laptop Refurbished

    Pre-Owned · Seagate
    S$ 127.52
    or Best Offer
    S$ 4.43 shipping
    ⁣P⁣⁣⁣9⁣ ⁣J⁣⁣⁣⁣U⁣⁣ ⁣9⁣⁣D⁣⁣⁣⁣ ⁣⁣V⁣S⁣ ⁣⁣E⁣⁣8⁣
  • Seagate Barracuda 7200.11 ST3640623AS 640GB 7200RPM 16MB SATA II 3.5'' Inch - Image 1 of 3

    Seagate Barracuda 7200.11 ST3640623AS 640GB 7200RPM 16MB SATA II 3.5'' Inch

    Brand New · Seagate
    S$ 322.74
    or Best Offer
    S$ 55.52 shipping
    U⁣⁣⁣4⁣ ⁣⁣M⁣⁣Q⁣ ⁣⁣⁣S⁣⁣0⁣ ⁣E⁣P⁣ ⁣⁣⁣⁣⁣A⁣N⁣ ⁣⁣⁣
  • Seagate ST9640423AS 640GB Hard Disk HDD 2.5" SATA Notebook Laptop Refurbished - Image 1 of 4

    Seagate ST9640423AS 640GB Hard Disk HDD 2.5" SATA Notebook Laptop Refurbished

    Excellent - Refurbished · Seagate
    S$ 87.07
    or Best Offer
    S$ 29.09 shipping
    6⁣S⁣p⁣o⁣2⁣ ⁣D⁣7⁣n⁣s⁣ ⁣o⁣r⁣Y⁣е⁣T⁣ ⁣N⁣B⁣d⁣ ⁣⁣⁣6⁣⁣B⁣⁣⁣
  • ST9640423AS Seagate 640GB 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 1 of 4

    ST9640423AS Seagate 640GB 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive

    New (Other) · Seagate
    S$ 22.42
    S$ 77.27 shipping
    D⁣S⁣I⁣p⁣ ⁣o⁣0⁣n⁣s⁣5⁣ ⁣o⁣r⁣е⁣d⁣X⁣⁣J⁣⁣ ⁣⁣6⁣Z⁣ ⁣⁣2⁣6⁣⁣
  • Hard Disk 640GB SEAGATE MOMENTUS ST9640423AS - SATA 640 GB - Image 1 of 1

    Hard Disk 640GB SEAGATE MOMENTUS ST9640423AS - SATA 640 GB

    Pre-Owned · Seagate
    S$ 87.01
    or Best Offer
    S$ 23.53 shipping
    0⁣⁣⁣⁣⁣A⁣⁣ ⁣⁣⁣K⁣9⁣⁣ ⁣O⁣⁣U⁣ ⁣A⁣⁣⁣⁣U⁣⁣⁣ ⁣⁣⁣
  • Hard Disk 640GB Seagate Momentus ST9640423AS - SATA 640GB - Image 1 of 1

    Hard Disk 640GB Seagate Momentus ST9640423AS - SATA 640GB

    Pre-Owned · Seagate
    S$ 85.70
    or Best Offer
    S$ 22.25 shipping
    S⁣⁣⁣⁣4⁣⁣ ⁣H⁣Y⁣⁣⁣⁣⁣ ⁣Z⁣⁣G⁣⁣⁣⁣ ⁣⁣⁣⁣L⁣7⁣⁣⁣
  • Hard Disk 640GB Seagate Momentus ST9640423AS - SATA 640 GB - Image 1 of 1

    Hard Disk 640GB Seagate Momentus ST9640423AS - SATA 640 GB

    Pre-Owned · Seagate
    S$ 88.11
    or Best Offer
    S$ 23.88 shipping
    ⁣⁣G⁣9⁣ ⁣4⁣8⁣⁣ ⁣⁣⁣1⁣F⁣⁣ ⁣⁣⁣⁣⁣R⁣⁣⁣⁣V⁣ ⁣⁣⁣W⁣
  • Seagate St9640423as 640gb Hard Disk HDD 2,5 " SATA Notebook Laptop Refurbished - Image 1 of 4

    Seagate St9640423as 640gb Hard Disk HDD 2,5 " SATA Notebook Laptop Refurbished

    Refurbished · Seagate
    S$ 83.73
    or Best Offer
    S$ 58.90 shipping
    ⁣L⁣D⁣⁣ ⁣V⁣⁣⁣J⁣⁣ ⁣⁣F⁣Q⁣ ⁣⁣⁣F⁣T⁣⁣ ⁣5⁣⁣⁣⁣⁣⁣⁣
  • Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive - Image 1 of 3

    Seagate 640GB ST9640423AS 5400RPM 16MB SATA 2.5" Laptop HDD Hard Drive

    New (Other) · Seagate
    S$ 25.27
    Free shipping
    ⁣⁣D⁣7⁣ ⁣⁣⁣2⁣⁣⁣6⁣ ⁣O⁣C⁣⁣⁣ ⁣7⁣⁣⁣⁣⁣⁣⁣⁣I⁣ ⁣⁣
  • All Listings
  • Auction
  • Buy It Now
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Gallery View

23 Results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
    • Brand: Seagate- Selected
    • Storage Capacity: 640 GB- Selected
    • Cache: 16 MB- Selected
    Clear All