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Dell Precision Tower 7910 Owner's Manual

Technical Specifications

  • NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer.
Table 1. Processor. This table gives you processor information.
Feature Specification
Type 4, 6, 8, 10, 12, 14, 16 and 18 core Intel Xeon processor.
  Instruction Cache 32 KB
  Data Cache
  • 32 KB
  • 256 KB Mid-Level Cache per core
  • Up to 45 MB last level cache (LLC) shared among all cores (2.5 MB per core)
Table 2. System Information. This table gives you system information.
Feature Specification
Chipset Intel(R) C610 , C612 chipset
BIOS chip (NVRAM) 16 MB serial flash EEPROM
Table 3. Memory. This table gives you memory information.
Feature Specification
Memory module connector 16 DIMM slots (8 per CPU)
Memory module capacity 4 GB, 8 GB, and 16 GB RDIMM, and 32 GB LR-DIMM
Type 2133 DDR4 RDIMM and LR-DIMM ECC
Minimum memory 8 GB per CPU
Maximum memory 512 GB
Table 4. Video. This table gives you video information.
Feature Specification
Discrete (PCIe 3.0/2.0 x16) up to 4* full-height, full length (maximum of 675 W)

*Requires 2nd CPU

Table 5. Audio. This table gives you audio information.
Feature Specification
Integrated Realtek ALC3220 audio codec
Table 6. Network. This table gives you network information.
Feature Specification
Tower 7910 Intel i217 and Intel i210
Table 7. Expansion Interfaces. This table gives you expansion interfaces information.
Feature Specification
  SLOT1 PCI Express 3.0 x16 (x4 electrical), 16GB/s
  SLOT2 PCI Express 3.0 x16, 16GB/s
  SLOT3 PCI Express 2.0 x16 (x4 electrical), 16GB/s
  SLOT4 PCI Express 3.0 x16, 16GB/s
  CPU2 SLOT1 PCI Express 3.0 x16 (requires second CPU)
  CPU2 SLOT2 PCI Express 3.0 x16 (requires second CPU)
Storage (HDD/SSD):
  SAS0 4-port mini-SAS SAS3, 12 Gbps (SATA3, 6 Gbps)
  SAS1 4-port mini-SAS SAS3, 12 Gbps (SATA3, 6 Gbps)
Storage (ODD):
  SATA2-ODD0 Intel AHCI SATA 3.0, 6Gbps
  SATA2-ODD1 Intel AHCI SATA 3.0, 6 Gbps
  Front ports USB 3.0, 5 Gbps (1 port)
    USB 2.0, 480 Mbps (3 ports)
  Rear ports USB 3.0, 5 Gbps (3 ports)
  Internal ports USB 2.0, 480 Mbps (3 ports)
Table 8. Drives. This table gives you drives information.
Feature Specification
Tower 7910
  Externally accessible:
  Slimline SATA optical bays one
  5.25–inch drive bays one:
  • supports one 5.25–inches device
  • supports one media card reader
  • supports up to four 2.5–inches hard drives (with optional adapters)
  3.5–inch hard drive bays four
  • NOTE: These hard drive bays can hold four 2.5–inch hard drive with supplied HDD caddy.
  Internally accessible none
Table 9. External Connectors. This table gives you external connectors information.
Feature Specification
  • front panel — mic-in, headphone-out
  • back panel — line-out, mic in/line In
  Tower 7910 two RJ-45 connector
Serial one 9-pin connector
  Tower 7910
  • front panel — three USB 2.0, and one USB 3.0
  • back panel — three USB 2.0, and one USB 3.0
  • internal — three USB 2.0
Video Video card dependent
  • DVI connector
  • mini DisplayPort
  • DisplayPort
  • DMS-59
Table 10. Internal Connectors. This table gives you internal connectors information.
Feature Specification
System power one 28–pin connector
System fans three 4-pin connectors
Thunderbolt sideband connector one 5-pin connector
Processor fans  
  Tower 7910 two 5-pin connectors
HDD fans  
  Tower 7910 three 5-pin connectors
  Tower 7910 sixteen 288–pin connectors
  Tower 7910 two LGA-2011 sockets
Back I/O:  
  PCI Express  
  PCI Express x4  
  Tower 7910 one 98–pin connector, one 164-pin connector
  PCI Express x16  
  Tower 7910 two 164-pin connectors (four when optional second processor is installed)
  PCI 2.3 one 124-pin connector
Front I/O:  
  Front USB one 14–pin connector
  Internal USB one type A female, one dual-port 2x5 header
  Front panel control one 2x14 pin connector
  Front panel audio HDA header one 2x5 pin connector
Hard drive/ Optical drive:  
  Tower 7910
  • two 36-pin mini-SAS connectors for HDD
  • two 7-pin SATA connectors for ODD
  Tower 7910 one 24-pin, one 20-pin and one 4–pin connector
Table 11. Controls and Lights . This table gives you controls and lights information.
Feature Specification
Power button light: off — system is off or unplugged.
  solid white light — computer is operating normally.
  blinking white light — computer is in stand by.
  solid amber light — the computer does not start, indicating a problem with the system board or power supply.
  blinking amber light — indicates a problem has occurred with the system board.
Drive activity light white light — blinking white light indicates that the computer is reading data from, or writing data to the hard drive.
Network link integrity lights (back panel) green light — A good connection at 10 Mbs exists between the network and the computer
  orange light — A good connection at 100 Mbs exists between the network and the computer.
  yellow light — A good connection at 1000 Mbs exists between the network and the computer.
Network activity lights (back panel) yellow light — flashes when there is network activity on the connection.
Table 12. Power. This table gives you power information.
Feature Specification
Coin-cell battery 3 V CR2032 lithium coin cell
Voltage 100 VAC to 240 VAC
  • 1000 W (input voltage 100 VAC – 107 VAC)
  • 1300 W (input voltage 181 VAC – 240 VAC)
  • 1100 W (input voltage 108 VAC – 180 VAC)
Maximum heat dissipation
  1300 W
  • 4015.3 BTU/Hr (at 100 VAC)
  • 4365.5 BTU/Hr (at 107 VAC)
  • 5099.9 BTU/Hr (at 181 VAC)
  • NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Table 13. Physical. This table gives you system’s physical information.
Feature Specification
Height (with feet) 433.40 mm (17.06 inches)
Height (without feet) 430.50 mm (16.95 inches)
Width 216.00 mm (8.51 inches)
Depth 525.00 mm (20.67 inches)
Weight (minimum) 16.90 kg (37.26 lb)
Table 14. Environmental. This table gives you system’s environmental information.
Feature Specification
  Operating 10 °C to 35 °C (50 °F to 95 °F)
  Storage –40 °C to 65 °C (–40 °F to 149 °F)
Relative humidity (maximum) 20% to 80% (noncondensing)
Maximum vibration:  
  Operating 5 Hz to 350 Hz at 0.0002 G²/Hz
  Storage 5 Hz to 500 Hz at 0.001 to 0.01 G²/Hz
Maximum shock:  
  Operating 40 G +/- 5% with pulse duration of 2 msec +/- 10% (equivalent to 51 cm/sec [20 in/sec])
  Storage 105 G +/- 5% with pulse duration of 2 msec +/- 10% (equivalent to 127 cm/sec [50 in/sec])
  Operating –15.2 m to 3048 m (-50 ft to 10,000 ft)
  Storage –15.2 m to 10,668 m (-50 ft to 35,000 ft)
Airborne contaminant level G1 as defined by ISA-S71.04-1985

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