DesktopMac mini•2018

Mac mini (Late 2018)

The Mac mini Late 2018 was a massive upgrade with Coffee Lake processors (up to 6-core i7), T2 chip, Thunderbolt 3, and Space Gray finish.

Model: A1993

EMC: 3213

71 parts available

Moderate, Some Experience Needed

Key Specifications

Intel Core i3/i5/i7 (Coffee Lake)

8GB–64GB DDR4 (user-upgradeable)

128GB–2TB SSD

Intel UHD Graphics 630

T2 chip, 4× Thunderbolt 3, HDMI 2.0, 10Gb Ethernet option

Common Repairs

1RAM upgrade

2Fan replacement

3Power supply replacement

4Logic board replacement

5SSD replacement

Available Parts (71)

View all parts in shop

Apple Service Guide Parts (12)

Official Apple order numbers from this model's illustrated parts list (48 part numbers). Item numbers match the exploded view callouts in the Apple service guide.

Bottom Cover

1 number

923-02436

Antenna Plate

1 number

923-02437

Fan

1 number

923-02434

AC Inlet Retention Clip

1 number

923-02789

AC Inlet Cowling

1 number

923-02795

Memory Cover (includes left and right bumpers)

2 numbers

923-02794(cover with left and right bumpers)

923-02792(left and right bumpers)

Speaker

1 number

923-02435

Memory

4 numbers

661-102394GB, DDR4, 2666MHz

661-102408GB, DDR4, 2666MHz

661-1024116GB, DDR4, 2666MHz

661-1024232GB, DDR4, 2666MHz

Logic Board

28 numbers

661-102053.0GHz i5, 256GB, 1Gb ENET

661-102063.0GHz i5, 256GB, 10Gb ENET

661-102073.0GHz i5, 512GB, 1Gb ENET

661-102083.0GHz i5, 512GB, 10Gb ENET

661-102093.0GHz i5, 1TB, 1Gb ENET

661-102103.0GHz i5, 1TB, 10Gb ENET

661-102113.0GHz i5, 2TB, 1Gb ENET

661-102123.0GHz i5, 2TB, 10Gb ENET

661-102133.2GHz i7, 128GB, 1Gb ENET

661-102143.2GHz i7, 128GB, 10Gb ENET

661-102153.2GHz i7, 256GB, 1Gb ENET

661-102163.2GHz i7, 256GB, 10Gb ENET

661-102173.2GHz i7, 512GB, 1Gb ENET

661-102183.2GHz i7, 512GB, 10Gb ENET

661-102193.2GHz i7, 1TB, 1Gb ENET

661-102203.2GHz i7, 1TB, 10Gb ENET

661-102213.2GHz i7, 2TB, 1Gb ENET

661-102223.2GHz i7, 2TB, 10Gb ENET

661-102233.6GHz i3, 128GB, 1Gb ENET

661-102243.6GHz i3, 128GB, 10Gb ENET

661-102253.6GHz i3, 256GB, 1Gb ENET

661-102263.6GHz i3, 256GB, 10Gb ENET

661-102273.6GHz i3, 512GB, 1Gb ENET

661-102283.6GHz i3, 512GB, 10Gb ENET

661-102293.6GHz i3, 1TB, 1Gb ENET

661-102303.6GHz i3, 1TB, 10Gb ENET

661-102313.6GHz i3, 2TB, 1Gb ENET

661-102323.6GHz i3, 2TB, 10Gb ENET

I/O Wall

1 number

923-02788

Housing

1 number

923-02790

Power Supply

6 numbers

Part numbers are sourced from the official Apple service guide for reference. Availability varies, contact us to confirm current pricing and stock for any part.

Safety Precautions

• Always disconnect power and discharge the battery before beginning any repair.
• Use an anti-static wrist strap (ESD) to prevent electrostatic damage to components.
• Keep screws organized by step, magnetic project mats are highly recommended.
• Never force connectors. Use a spudger to gently lift ZIF, FPC, and board-to-board connectors.
• If your Mac has a swollen battery, do not attempt removal yourself, contact a professional.

Model Identification

Model Number(s)

A1993

EMC Number(s)

3213

Order Number(s)

MRTR2LL/AMRTT2LL/A

Identifier(s)

Macmini8,1

Product Line

Mac mini

Year

2018

Essential Tools

Pentalobe P5 screwdriver (1.2mm)
Torx T3, T4, T5, T6 screwdrivers
Phillips #00 screwdriver
Spudger (nylon)
Suction cup(s)
Anti-static wrist strap (ESD)
Tweezers (angled)
Guitar picks / opening picks
Isopropyl alcohol (99%)
Thermal paste (Arctic MX-4 or equivalent)

Need Professional Help?

Our Apple Certified Technicians can handle any Mac mini (Late 2018) repair. Free diagnostics, 1-year warranty on all parts.

Related Models

Mac mini Mid 2011

2011

Mac mini Late 2012

2012

Mac mini Late 2014

2014

Mac mini M1 2020

2020

Mac mini M2 2023

2023

Mac mini M2 Pro 2023

2023

Mac mini (Late 2018) repair questions answered

The Mac mini (Late 2018) dates to 2018 as model A1993 and Apple publishes an official service manual for it, which is the document referenced on this page. We list 71 service parts for this model, and every part we fit is a genuine Apple part. Our work is covered for one year on brand new parts and 180 days on pre-owned parts and board-level repairs. We are in Tampa, walk-ins are welcome with no appointment, and you can also book a mail-in repair from anywhere in the country.

What are the model numbers for the Mac mini (Late 2018)?

The Mac mini (Late 2018) dates to 2018 and carries model number A1993, with the internal identifier Macmini8,1. You can confirm yours from the Apple menu, About This Mac, or by reading the tiny model number printed on the base. Quoting that number when ordering parts is the only reliable way to avoid a part that looks right but does not fit, since Apple ships several variants that look identical.

Can the storage or memory in a Mac mini (Late 2018) be upgraded?

The Mac mini (Late 2018) carries a T2 security chip, which encrypts the soldered storage to the machine. That means a board swap erases your files permanently, so we recover data or repair the board itself rather than replacing it whenever the files matter.

What are the most common repairs on the Mac mini (Late 2018)?

The jobs we see most on the Mac mini (Late 2018) are ram upgrade, fan replacement, power supply replacement, logic board replacement. Apple rates this model's service difficulty as moderate, and we diagnose every machine on a bench supply and under a microscope before quoting, so you get a fixed price for the actual fault rather than a guess. Diagnosis is free.

Do you use genuine parts and what warranty comes with a Mac mini (Late 2018) repair?

Every part we fit is a genuine Apple part, which keeps features like True Tone and the factory calibration working correctly. Brand new parts carry a one-year warranty, and pre-owned parts and board-level repairs carry 180 days. We are in Tampa, walk-ins are welcome with no appointment, and we repair machines mailed in from anywhere in the country.

If your Mac mini (Late 2018) will not power on or was hit by liquid, it needs a board-level diagnosis rather than a parts swap. Call us on (813) 444-5595 and we will tell you what we are seeing before any work starts.