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Apple Mac Pro (2019)

Apple's Intel Xeon W tower workstation in the stainless-steel frame and aluminium lattice housing: one 8- to 28-core Xeon W-3200, 12 DDR4 ECC DIMM slots (up to 1.5 TB), eight PCIe 3.0 slots with two MPX bays for Apple's Radeon Pro modules, and a 1.4 kW power supply. Built for video, audio, 3D and development pros who need big memory and internal expansion; it was the last Intel Mac Apple sold.

Memory

Slots
12 DIMM slots (6 channels, 2 DIMMs per channel) on the back of the logic board, under DIMM covers
Type
288-pin full-length DDR4 ECC, 2933 MHz; R-DIMM or LR-DIMM (never mixed); 8, 16, 32, 64 or 128 GB DIMMs
Speed
2933 MHz on 12- to 28-core; the 8-core Xeon W-3223 runs memory at 2666 MHz
Max
768 GB on 8/12/16-core (6 × 128 GB or 12 × 64 GB); 1.5 TB on 24/28-core (12 × 128 GB LR-DIMM)
Factory options
32 GB (4 × 8 GB), 48 GB (6 × 8), 96 GB (6 × 16), 192 GB (6 × 32), 384 GB (6 × 64), 768 GB (6 × 128 or 12 × 64), 1.5 TB (12 × 128)
Factory DIMM type
R-DIMMs up to 192 GB; LR-DIMMs for 384 GB and above
Supported populations
4, 6, 8, 10 or 12 DIMMs; 6 or 12 for full bandwidth (1 DIMM is diagnostic only)
Bandwidth
Up to 140 GB/s (six channels of DDR4-2933)

Storage

Internal SSD
256 GB (1 module), 512 GB (1 module), 1 TB (2 × 512 GB), 2 TB (2 × 1 TB), 4 TB (2 × 2 TB) or 8 TB (2 × 4 TB)
Performance
Up to 3.4 GB/s sequential read and 3.4 GB/s sequential write (Apple test, 4 TB)
Encryption
SSD encrypted by the Apple T2 Security Chip; modules are paired to the T2
Internal SATA
2 × SATA ports plus a power connector; mounting point on the top bracket (Promise Pegasus J2i, one or two 3.5-inch 7200-rpm drives)
MPX storage
Promise Pegasus R4i 32 TB RAID MPX Module (4 × 8 TB HDD; RAID 0, 1, 5, 6, 10) in an MPX bay
Base config
256 GB SSD at launch; 512 GB from March 2022 (Wikipedia)

Graphics

Architecture
Two MPX bays; up to two MPX Modules with up to four GPUs
Radeon Pro 580X
36 CU, 8 GB GDDR5, 5.6 TFLOPS; 2 × HDMI 2.0 on card; half-height; one module only
Radeon Pro W5500X
24 CU, 8 GB GDDR6 (224 GB/s), 5.6 TFLOPS FP32; 2 × HDMI on card; half-height; one or two
Radeon Pro W5700X
40 CU, 16 GB GDDR6 (448 GB/s), 9.4 TFLOPS FP32; 4 × Thunderbolt 3 + 1 × HDMI on card; full-height; one or two
Radeon Pro W6600X
32 CU, 8 GB GDDR6 (256 GB/s), 9.8 TFLOPS FP32; 2 × HDMI on card; half-height; one module only
Radeon Pro W6800X
60 CU, 32 GB GDDR6 (512 GB/s), 16.0 TFLOPS FP32; 4 × Thunderbolt 3 + 1 × HDMI; Infinity Fabric Link; one or two
Radeon Pro W6900X
80 CU, 32 GB GDDR6 (512 GB/s), 22.2 TFLOPS FP32; 4 × Thunderbolt 3 + 1 × HDMI; Infinity Fabric Link; one or two
Radeon Pro W6800X Duo
2 × W6800X GPUs, 64 GB GDDR6, 30.2 TFLOPS FP32; 4 × Thunderbolt 3 + 1 × HDMI; one or two
Radeon Pro Vega II
64 CU, 32 GB HBM2 (1 TB/s), 14.1 TFLOPS FP32; 4 × Thunderbolt 3 + 1 × HDMI 2.0; Infinity Fabric Link; one or two
Radeon Pro Vega II Duo
2 × Vega II GPUs, 64 GB HBM2, 28.3 TFLOPS FP32; 4 × Thunderbolt 3 + 1 × HDMI 2.0; one or two
Third-party cards
Supports the same GPUs Apple supports as eGPUs (AMD); four 8-pin (150 W each) AUX connectors for cards without MPX
Displays
Up to twelve 4K, six 5K or six Pro Display XDR across four GPUs
Afterburner
Apple ProRes / ProRes RAW accelerator, PCIe x16 card (FPGA); factory-installed in slot 5; up to 6 streams of 8K or 23 streams of 4K ProRes RAW
Timeline
W5700X added April 2020, W5500X July 2020, W6800X / W6800X Duo / W6900X August 2021; W5500X replaced the 580X as base GPU in March 2022 (Wikipedia)

Expansion

Total
8 PCIe 3.0 slots: 4 double-wide, 3 single-wide, 1 half-length
Slot 1
x16, double-wide, full-length; MPX bay 1; direct CPU root port
Slot 2
x8, double-wide, full-length; MPX bay 1 (disabled when an MPX Module is in bay 1)
Slot 3
x16, double-wide, full-length; MPX bay 2; direct CPU root port
Slot 4
x16, double-wide, full-length; MPX bay 2 (disabled when an MPX Module is in bay 2)
Slot 5
x16, single-wide, full-length (Afterburner's factory slot)
Slot 6
x8, single-wide, full-length
Slot 7
x8, single-wide, full-length
Slot 8
x4, half-length, full-height; Apple I/O card installed (can be removed for another half-length card)
MPX bay
x16 gen 3 for graphics + x8 gen 3 for Thunderbolt, DisplayPort routing, up to 500 W per module
AUX power
4 × 8-pin (150 W each, 600 W total; unavailable when an MPX Module fills that bay) + 1 × 6-pin (75 W) for slots 5-7
PCIe switching
Slots 1 and 3 on dedicated CPU x16 root ports; other slots and Thunderbolt through a 96-lane PCIe switch; pool A/B set in Expansion Slot Utility

Networking

Ethernet
2 × 10Gb Ethernet (Nbase-T 1/2.5/5/10 Gb, RJ-45), two independent controllers
Wi-Fi
802.11ac, IEEE 802.11a/b/g/n compatible
Bluetooth
Bluetooth 5.0

Power

Power supply
1.4 kW, internal, replaceable
Maximum continuous power
1280 W at 108-125 V or 220-240 V; 1180 W at 100-107 V
Input
100-125 V AC at 12 A; 220-240 V AC at 6 A; 50-60 Hz, single phase
Efficiency
Meets ENERGY STAR requirements

Ports

Top
2 × Thunderbolt 3 (USB-C, 40 Gb/s; USB up to 10 Gb/s; DisplayPort), power button
Apple I/O card (rear, slot 8)
2 × Thunderbolt 3, 2 × USB-A (USB 3, 5 Gb/s), 3.5 mm headphone jack with headset support
Rear
2 × 10Gb Ethernet, AC power; HDMI / Thunderbolt 3 ports on the installed MPX Modules
Internal
1 × USB-A (5 Gb/s) for licence keys, 2 × SATA
Thunderbolt total
Up to 12 Thunderbolt 3 ports with two full-height MPX Modules; built-in ports carry video only when an MPX Module is installed
Audio
Built-in speaker; 3.5 mm headphone jack

Physical

Dimensions (tower)
52.9 cm H × 21.8 cm W × 45.0 cm D (20.8 × 8.58 × 17.7 in); 55.7 cm high with wheels
Weight
18.0 kg (39.7 lb); varies by configuration
Enclosure
Stainless-steel space frame with top handles, aluminium lattice housing that lifts off for 360° access; feet standard, wheels optional (customer-installable kits)
Cooling
Front-to-back airflow; three fans
Operating temperature
10-35 °C
Storage temperature
-40 to 47 °C
Relative humidity
5-95 % non-condensing
Altitude
Tested up to 5000 m
Acoustics
11 dB sound pressure (2.7 B sound power) at idle and wireless web; 8-core, 580X, 32 GB tested
Model number
A1991 (Wikipedia)

Management

Security chip
Apple T2: Secure Enclave, secure boot, hardware SSD encryption, SMC and audio controller
Lights Out Management
Supported through MDM (macOS 11 or later, Ethernet on the same subnet)
Model identifier
MacPro7,1
Status light
Top and rear; amber flashes signal memory errors (e.g. mixed R-DIMM/LR-DIMM) or PCIe card errors

Operating systems

Shipped with
macOS Catalina (10.15)
Newest supported
macOS Tahoe 26
Windows
Boot Camp; Apple notes GPU and RAID limits under Windows

Processors

  • Intel Xeon W-3223
  • Intel Xeon W-3235
  • Intel Xeon W-3245
  • Intel Xeon W-3265M
  • Intel Xeon W-3275M