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Apple Macintosh SE Specs

All Macintosh Models | All 1987 Models | Dynamically Compare This Mac to Others

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Apple Macintosh SEThe Apple Macintosh SE features an 8 MHz 68000 processor, 1 MB or 2 MB of RAM, and either dual 800k disk drives or one 800k disk drive and a 20 MB or 40 MB hard drive in a compact all-in-one case with a 9" monochrome display.

Most notably, the Macintosh SE was the first Macintosh to offer an internal hard drive as well as a customized PDS expansion slot for other options.

For additional information on the Macintosh SE, also check out the excellent Macintosh SE Support Pages.

To purchase or upgrade a vintage Mac -- and newer Macs -- see site sponsor OHS.

  • Tech Specs
  • Ports

Click on the category for related details. The most commonly needed info is "open" by default, but all info is important.

March 2, 1987 August 1, 1989
Details: The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended.

Also see: All Macs introduced in 1987.
8 MHz 68000
Details: This model has a 32-bit processor. It has a 16-bit data path.
Third-Party* N/A
Details: *A variety of third-party processor upgrades and accelerators were available.
8 MHz N/A
Details: N/A
Macintosh ROM 256k
Details: N/A
None N/A
Details: N/A
30-pin SIMM 150 ns
Details: N/A
1 MB, 2 MB 4 MB*
Details: *One lead of the 256k resistor must be clipped to use 1 MB SIMMs and support 4 MB of RAM.

Also see: Actual Max RAM of All G3 & Later Macs.
None 4*
Details: *RAM must be installed in equal pairs.
Integrated Built-in
Details: N/A
Details: N/A
9" Monochrome 512x342
Details: N/A
20 MB, 40 MB* SCSI*
Details: *Offered with an internal 20 MB or 40 MB SCSI hard drive and a single 800k floppy drives or two 800k floppy drives.
None 800k (Auto) (x2)*
Details: *All configurations had at least one 800k floppy drive. Two 800k floppy drives standard in M5900 configuration.
None None
Details: N/A
SE PDS None*
Details: *Both bays occupied by default, but if configured with dual 800k disk drives, one could be replaced with an internal 3.5" hard drive.
All-in-One Macintosh SE
Details: N/A
M5900* Macintosh SE
Details: *M5900 refers to the configuration with 1 MB of RAM and two 800k floppy disk drives. M5910 is refers to the configuration with 1 MB of RAM, a single 800k floppy drive, and a 20 MB hard drive and M5355 refers to the configuration with 2 MB of RAM, a single 800k floppy drive, and a 40 MB hard drive.
M5010 5
Details: Please note that these identifiers refer to more than one model.

Also see: All Macs with the M5010 Model Number and 5 Gestalt ID.

For more about identifiers and how to locate them on modern Macs, please refer to's Mac Identification section.
3.6V Lithium N/A
Details: N/A
3.3 3.3-7.5.1, 7.5.3-7.5.5
Details: Earlier and later versions of the Macintosh System/Finder and Mac OS are not supported.

For systems capable of running older versions of the Mac OS -- as well as modern ones -- please see site sponsor OHS. OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.
13.6 x 9.69 x 10.9 17.0 lbs (7.7 kg)
Details: In inches - height by width by depth, (34.5 cm, 24.6 cm, 27.7 cm).
US$2900, US$3900 N/A*
Details: *As a collector's item, it still may retain value.

Photo Credit: Apple Computer, Inc. (MacUser Magazine Ad).

Click on a category for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.

None 1 (DB-19)
Details: N/A
2 1 (DB-25)
Details: N/A
2 None
Details: Serial ports are marked by printer and modem icons.
None None
Details: N/A
None None
Details: N/A
None None
Details: N/A
1 (Mono) None
Details: N/A
1 None
Details: N/A
1 N/A
Details: 90V-270V AC, 47-63 Hz Frequency, 100 Max Watts.

Icon Credit: Apple Computer, Inc.

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