Tech Spec Spec it right!

Dell Dell Pro Tower (QCT1250)

Dell's 2025+ full-size business tower (successor to the OptiPlex Tower), spanning three chipset generations of Intel desktop CPUs (Intel 300/i3/i5 vPro/i7 vPro on Q670, and Core Ultra 5/7 'Arrow Lake' on Q870), with three full-height PCIe slots and up to 64 GB of DDR5.

Memory

Slots
Two UDIMM slots
Type
DDR5
Speed
Up to 4800 MT/s (Core 300/i3 14100/i5 14500 vPro), 5600 MT/s (i5 14600 vPro/i7 14700 vPro), or 6400 MT/s (Core Ultra 5 235/245, Ultra 7 265)
Minimum
8 GB
Maximum
64 GB
Per-slot sizes
8 GB, 16 GB, or 32 GB
Configurations
Single- or dual-channel; up to 2 x 32 GB dual-channel

Storage

3.5" HDD
SATA AHCI up to 6 Gbps, up to 2 TB
M.2 2230 QLC/TLC SSD
PCIe Gen3x4 (up to 32 GT/s) or PCIe Gen4x4 (up to 64 GT/s) NVMe, up to 1 TB
Optical
9.5 mm 8x slimline DVD-RW (optional), SATA AHCI up to 1.5 Gbps
Primary drive
M.2 solid-state drive

Graphics

Integrated (Intel Processor 300)
Intel UHD Graphics 710, shared system memory
Integrated (Intel Core i3)
Intel UHD Graphics 730, shared system memory
Integrated (Intel Core i5 vPro/i7 vPro)
Intel UHD Graphics 770, shared system memory
Integrated (Intel Core Ultra 5/7)
Intel Graphics, shared system memory
Discrete option
AMD Radeon RX 6300, 2 GB GDDR6, two DisplayPort 1.4a (HBR2) outputs

Expansion

M.2
1 x M.2 2230 slot (WiFi/Bluetooth combo card); 1 x M.2 2230/2280 slot (SSD)
SATA
1 x SATA 3.0 (3.5" hard drive); 1 x SATA 3.0 (3.5" hard drive or slimline optical drive)
PCIe
1 x full-height PCIe x16 slot; 2 x full-height PCIe x1 slots

Networking

Ethernet
Intel i219-LM, 10/100/1000 Mbps
Wi-Fi option 1
Intel Wi-Fi 6E AX211, up to 2400 Mbps, 2.4/5/6 GHz, Bluetooth 5.3
Wi-Fi option 2
Intel Wi-Fi 7 BE200 (2x2, 802.11be), up to 5760 Mbps, 2.4/5/6 GHz, Bluetooth 5.4
Wi-Fi option 3
MediaTek Wi-Fi 6 MT7920, up to 1200 Mbps, 2.4/5 GHz, Bluetooth 5.4

Power

Option 1
180 W internal PSU, 80 PLUS Bronze, 90-264 VAC
Option 2
360 W internal PSU, 80 PLUS Platinum, 90-264 VAC

Ports

Front
2 x USB 2.0; 1 x USB 3.2 Gen 1 (5 Gbps) Type-C; 1 x USB 3.2 Gen 1 (5 Gbps); 1 x global headset jack; optional slim optical drive
Rear
1 x DisplayPort 1.4a HBR2 (Intel 300/Core) or HBR3 (Core Ultra); 1 x HDMI 2.1 (TMDS); 2 x USB 3.2 Gen 1 (5 Gbps); 2 x USB 2.0 with SmartPower On; 1 x RJ45 (1 Gbps); 2 x full-height PCIe x1; 1 x full-height PCIe x16; 1 x power-cable connector; padlock ring; Kensington security-cable slot; optional legacy serial port
Optional rear module (mutually exclusive)
VGA, HDMI 2.1 (TMDS or FRL), DisplayPort 1.4a (HBR3) or 2.1 (UHBR20), 2 x USB 3.2 Gen 2 (10 Gbps), or USB 3.2 Gen 2 Type-C with DisplayPort Alt Mode - exact set depends on chipset generation

Physical

Dimensions
324.30 x 154 x 293 mm (12.77 x 6.06 x 11.54 in.), H x W x D
Weight
5.44 kg (12 lb) minimum - 6.78 kg (14.95 lb) maximum

Management

Physical security
Chassis intrusion switch; chassis lock slot support; Kensington security-cable slot; padlock ring; lockable cable covers
Data protection
TPM 2.0; Microsoft Windows BitLocker; self-encrypting drives (Opal, FIPS); local hard-drive data wipe via BIOS (Secure Erase)
Advanced security
Intel Authenticate; Intel Secure Boot; Dell SafeID with TPM 2.0; FIPS smart card keyboard; Microsoft Windows 10 Device Guard and Credential Guard (Enterprise SKU); Dell SafeBIOS (Off-host BIOS Verification, BIOS Resilience, BIOS Recovery); supply chain tamper alerts

Operating systems

Windows
Windows 11 Home; Windows 11 Pro; Windows 11 Pro National Education
Linux
Ubuntu Linux 24.04 LTS

Processors

  • Intel Processor 300
  • Intel Core i3-14100
  • Intel Core i5-14500 vPro
  • Intel Core i5-14600 vPro
  • Intel Core i7-14700 vPro
  • Intel Core Ultra 5 235
  • Intel Core Ultra 5 245
  • Intel Core Ultra 7 265