Dell Precision 7875 Tower
Single-socket sTR5 tower workstation for AMD Ryzen Threadripper PRO 7000WX/9000WX series CPUs up to 96 cores/350 W, with up to 2 TB of DDR5 ECC RDIMM memory, six PCIe expansion slots and support for high-end professional and consumer GPUs. Aimed at simulation, rendering and AI/ML workloads.
Memory
- Slots
- 8 DIMM
- Type
- DDR5 RDIMM, ECC
- Speed
- 5200 MT/s with Threadripper PRO 7000 series; 5600 MT/s with Threadripper PRO 9000 series
- Minimum
- 16 GB
- Maximum
- 2 TB (8 × 256 GB)
- Sizes per slot
- 16 GB, 32 GB, 64 GB, 128 GB, 256 GB
- Note
- ACPI S3 disabled by default at 2 TB (all speeds) or 1.5 TB (5600 MT/s) due to DIMM thermal-protection risk
Storage
- Internal
- 2 × 2.5"/3.5" SATA HDD, or 2 × M.2 SSD
- External flex bay
- 2 × 2.5"/3.5" SATA HDD, or 2 × M.2 SSD
- 3.5" HDD offered
- Up to 12 TB, 7200 RPM, SATA 3.0 (up to 6 Gbps)
- M.2 2280 SSD offered
- Up to 2 TB, PCIe Gen4 NVMe; SED-Ready up to 4 TB
- M.2 2230 SSD offered
- 256 GB, PCIe Gen4 x4 NVMe, SED-Ready
- Optical (optional)
- 8x DVD-ROM or 8x DVD+/-RW slimline, SATA 1 (1.5 Gbps)
- RAID
- RAID 0, 1, 5 and 10 supported
Graphics
- GPU options
- NVIDIA RTX Pro 6000 Blackwell Max-Q (96 GB GDDR7 ECC), RTX Pro 5000 Blackwell (48 GB), RTX Pro 4500 Blackwell (32 GB), RTX Pro 4000 Blackwell (24 GB), RTX Pro 2000 Blackwell (16 GB), RTX 6000 Ada Generation (48 GB), RTX 5000 Ada Generation (32 GB), RTX 4500 Ada Generation (24 GB), RTX 4000 Ada Generation (20 GB), RTX 2000 Ada Generation (16 GB), RTX A6000 (48 GB), RTX A4000 (16 GB), RTX A2000 (12 GB), NVIDIA A800 (40 GB HBM2, no display output), T1000 (8 GB), T400 (4 GB), A1000 (8 GB), A400 (4 GB), GeForce RTX 5080 (16 GB), GeForce RTX 4090 (24 GB), AMD Radeon Pro W7900 (48 GB), W7700 (16 GB), W7600 (8 GB), W7500 (8 GB), W7400 (8 GB), W6400 (4 GB), W6300 (2 GB)
- Video outputs
- Vary by card: up to four DisplayPort 1.4a/2.1b or mini-DisplayPort per card, or DisplayPort + HDMI on GeForce cards; max resolution up to 7680×4320 depending on card
Expansion
- Slot 1
- Full-height PCIe Gen5 x8, open-ended
- Slot 2
- Full-height PCIe Gen5 x16
- Slot 3
- Full-height PCIe Gen4 x8 (x4 electrical), open-ended
- Slot 4
- Full-height PCIe Gen4 x8, open-ended
- Slot 5
- Full-height PCIe Gen4 x16
- Slot 6
- Full-height PCIe Gen4 x8, open-ended
- M.2
- 2 × M.2 2230/2280 PCIe Gen4 NVMe (internal) + 2 × M.2 2230/2280 PCIe Gen4 NVMe (external flex bay)
- SATA/SAS
- 2 × SATA 3.0 (internal drives) + 2 × SATA 3.0 (external flex bay) + 1 × SATA 3.0 (optical)
Networking
- 1 GbE
- Realtek RTL8111-EPP, RJ45
- 10 GbE
- Marvell AQC113-B1-C, RJ45
- Wireless
- Qualcomm WCN6856-DBS, 2.4/5/6 GHz, Wi-Fi 6E (802.11ax), 3571 Mbps, Bluetooth 5.3 (6 GHz band requires Windows 11)
Power
- 1350 W option
- 1350 W Platinum PSU, C20 inlet, 90-264 VAC, 47-63 Hz, 16 A max input; 3 × 4-pin CPU, 1 × 12-pin system board, 4 × 8-pin (6+2) auxiliary GPU connectors
- 1000 W option
- 1000 W Platinum PSU, C14 inlet, 90-264 VAC, 47-63 Hz, 13.6 A max input; 2 × 4-pin CPU, 1 × 10-pin system board, 2 × 8-pin (6+2) + 2 × 6-pin auxiliary GPU connectors
- Note
- Only one of GFX1/GFX2 and only one of GFX3/GFX4 auxiliary connectors may be used at a time
Ports
- Front
- 2 × USB 3.2 Gen 1, USB 3.2 Gen 2 Type-C with PowerShare, USB 3.2 Gen 2 Type-C, headset (headphone/mic) jack, SD-card 6.0 slot
- Rear
- 3 × USB 3.2 Gen 2 Type-C, 2 × USB 3.2 Gen 1, 1 × USB 3.2 Gen 1 with Smart Power On, PS/2 keyboard (optional), PS/2 mouse (optional), serial port (optional), line-out audio, RJ45 1 GbE, RJ45 10 GbE, power port (C20 or C14 depending on PSU)
- Video
- Provided by the installed discrete GPU (no integrated graphics)
Physical
- Dimensions
- 442.70 × 172.60 × 465.00 mm (H × W × D); 446.60 × 176.50 × 487.50 mm with rubber feet and lock structure protruding
- Weight
- 18.34 kg minimum, 25.57 kg maximum
- Audio
- Realtek Audio Controller ALC3246, 24-bit DAC/ADC, HDA internal interface
- Operating environment
- 10-35 °C operating, -40 to 65 °C storage, 20-80% relative humidity (non-condensing)
Management
- Hardware security
- Discrete TPM 2.0, factory test image support for McAfee/Symantec third-party solutions
- Regulatory
- EPEAT-registered configurations available, ENERGY STAR-compliant configurations available, TCO 9.0 certified configurations available, WEEE, EU RoHS, China RoHS
Operating systems
- Windows
- Windows 10 22H2, Windows 11 SV1, Windows 11 SV2
- Linux
- Ubuntu 22.04 LTS (64-bit), Ubuntu 24.04 LTS (64-bit), Red Hat Enterprise Linux 9.6
Processors
- AMD Ryzen Threadripper PRO 9995WX
- AMD Ryzen Threadripper PRO 9985WX
- AMD Ryzen Threadripper PRO 9975WX
- AMD Ryzen Threadripper PRO 9965WX
- AMD Ryzen Threadripper PRO 9955WX
- AMD Ryzen Threadripper PRO 9945WX
- AMD Ryzen Threadripper PRO 7995WX
- AMD Ryzen Threadripper PRO 7985WX
- AMD Ryzen Threadripper PRO 7975WX
- AMD Ryzen Threadripper PRO 7965WX
- AMD Ryzen Threadripper PRO 7955WX
- AMD Ryzen Threadripper PRO 7945WX