Specification
| Brand | Apple |
| Model | Apple MAC PRO A1991 |
| Part Number | A1991 |
Product Type
| Product type | Workstation |
Form Factor
| Form Factor | Mid-Tower 4U |
Processor
| CPU Information |
Processor Intel® Xeon® W-3223 @3.50GHz Total Cores 8 Total Threads 16 Max Turbo Frequency 4.00 GHz Intel® Turbo Boost Max Technology 3.0 Frequency ‡ 4.20 GHz Processor Base Frequency 3.50 GHz Cache 16.5 MB Max # of UPI Links 0 Bus Speed 8 GT/s TDP 160 W |
Memory
| Installed Memory | 32GB DDR4 |
| Memory Type |
Supported Memory Memory Configure up to 1.5TB of DDR4 ECC memory in 12 user-accessible DIMM slots 32GB Four 8GB DIMMs 48GB Six 8GB DIMMs 96GB Six 16GB DIMMs 192GB Six 32GB DIMMs 384GB Six 64GB DIMMs 768GB Six 128GB DIMMs or 12 64GB DIMMs 1.5TB 12 128GB DIMMs Requires a 24-core or 28-core processor. The 8-core processor operates memory at 2666MHz. 12-core to 28-core processors operate memory at 2933MHz. |
Hard Disk
| Storage Option |
Storage Configure up to 8TB of SSD storage2 512GB SSD One 512GB module 1TB SSD Two 512GB modules 2TB SSD Two 1TB modules 4TB SSD Two 2TB modules 8TB SSD Two 4TB modules Up to 3.4GB/s sequential read and 3.4GB/s sequential write performance. Storage encrypted by the Apple T2 Security Chip. |
| Installed Hard Disk | 2 x 512GB SSD |
GRAPHICS CONTROLLER
| Display Adapter |
Installed Graphic Card AMD Radeon Pro W5700X 16GB 40 compute units, 2560 stream processors 16GB of GDDR6 memory with 448GB/s memory bandwidth Up to 9.4 teraflops single precision or 18.9 teraflops half precision Four Thunderbolt 3 ports and one HDMI port on the card with support for 4K60 Two DisplayPort connections are routed to the system to support internal Thunderbolt 3 ports Support for Display Stream Compression (DSC) Support for up to six 4K displays, three 5K displays, or three Pro Display XDRs Full-height MPX Module fills an MPX bay and uses extra power and PCIe bandwidth |
EXPANSION / CONNECTIVITY
| Expansion Slots |
Expansion Slots Eight PCI Express expansion slots Two MPX Modules or up to four PCI Express card slots Each MPX bay provides: x16 gen 3 bandwidth for graphics x8 gen 3 bandwidth for Thunderbolt DisplayPort video routing Up to 500W power for an MPX Module Alternatively, each MPX bay can support: One full-length, double-wide x16 gen 3 slot and one full-length, double-wide x8 gen 3 slot (MPX bay 1) Or two full-length, double-wide x16 gen 3 slots (MPX bay 2) Up to 300W auxiliary power via two 8-pin connectors Three full-length PCI Express gen 3 slots One x16 slot; two x8 slots 75W auxiliary power available One half-length x4 PCI Express gen 3 slots with Apple I/O card installed Input/Output I/O card installed in the half-length x4 PCI Express slot with: Two USB 3 ports Support for USB-A (up to 5Gb/s) Two Thunderbolt 3 ports Support for Thunderbolt 3 (up to 40Gb/s) Support for USB-C (up to 10Gb/s) Support for DisplayPort Two 10Gb Ethernet ports: Support for 10Gb Ethernet performance over copper cabling Support for N base-T industry standards: 1Gb, 2.5Gb, 5Gb, and 10Gb Ethernet link speeds using RJ-45 connectors Wireless Wi-Fi 802.11ac Wi-Fi wireless networking IEEE 802.11a/b/g/n compatible Bluetooth Bluetooth 5.0 wireless technology |
NETWORKING
| Connectivity Technology | Wireless Wi-Fi 802.11ac Wi-Fi wireless networking |
POWER
| Power Options |
Power Supply 1.4 kilowatts Maximum continuous power: 1280W at 108–125V or 220–240V 1180W at 100–107V |
DIMENSIONS & WEIGHT
| dimensions ( H x W x D) |
52.9 cm (20.8 inches)width:45.0 cm (17.7 inches) depth:21.8 cm (8.58 inches) Height with optional wheels: 55.7 cm (21.9 inches) |
| Weight | 18.0 kg (39.7 pounds) |
OPERATING SYSTEM
| Pre Install Os | OS Provided: Mac OS |
SERVICE & SUPPORT
| Warranty | limited 03-month warranty |
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