All Repair Manuals
DesktopMac Pro•2019
Mac Pro (2019)
The Mac Pro 2019 returned to the modular tower design with up to 28-core Xeon W, 8 PCIe slots, 1.5TB RAM, and optional Afterburner card for ProRes acceleration.
Model: A1991
EMC: 3203
104 parts available
Moderate, Some Experience Needed
Key Specifications
Intel Xeon W (8–28 core)
32GB–1.5TB DDR4 ECC (12 DIMM slots)
SSD module (256GB–8TB)
AMD Radeon Pro 580X/W5500X/W5700X/W6800X/W6900X
8× PCIe slots, 2× Thunderbolt 3, 2× USB-A, 2× 10GbE
Common Repairs
1RAM upgrade
2GPU card replacement
3SSD module replacement
4Power supply replacement
5PCIe card installation
Available Parts (104)
Apple Service Guide Parts (19)
Official Apple order numbers from this model's illustrated parts list (27 part numbers). Item numbers match the exploded view callouts in the Apple service guide.
1
Memory (DIMM) Covers
1 number923-03322
2
Speaker
1 number923-03326
3
Blower
1 number923-03328
4
Blower Duct and Flash Storage Cover
1 number923-04232
5
Memory (DIMMs)
5 numbers661-130628GB DIMM
661-1306316GB DIMM
661-1306432GB DIMM
661-1306564GB DIMM
661-13066128GB DIMM
6
Storage (flash storage module)
5 numbers661-13067256GB (single module)
661-130681TB, 2 x 512GB
661-130692TB, 2 x 1TB
661-130704TB, 2 x 2TB
661-140458TB, 2 x 4TB
7
Cowling, Antenna
1 number923-03427
8
Space Frame Top Plate
1 number923-03336
9
Locking Ring
1 number923-04208
10
Top I/O (TIO) Board
1 number923-03329
11
Top I/O (TIO) Flex Cable
1 number923-03456
12
Cowling, TIO Flex Cable to TIO Board
1 number923-03458
13
Space Frame Bars
1 number923-03334
14
System Fans
1 number923-03327
15
PCIe Slots Frame Mount Plate
1 number923-03337
16
Space Frame Bottom Plate
1 number923-03335
17
Foot
1 number923-03332(single)
18
Wheel
1 number923-03333(single)
19
Handle
1 number923-03878(single)
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)
A1991
EMC Number(s)
3203
Identifier(s)
MacPro7,1
Product Line
Mac Pro
Year
2019
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 Pro (2019) repair. Free diagnostics, 1-year warranty on all parts.
