Dimensions and weight
The following table lists the height, width, depth, and weight of your Dell Pro Tower QCT1250.
| Description | Values | |
|---|---|---|
| Height |
324.30 mm (12.77 in.) |
|
| Width |
154 mm (6.06 in.) |
|
| Depth |
293 mm (11.54 in.) |
|
| Weight NOTE:The weight of your
computer depends on the configuration that is ordered and
manufacturing variability.
|
|
|
Processor
The following tables list the details of the processors supported by your Dell Pro Tower QCT1250.
Processors
| Description | Option one | Option two | Option three | Option four | Option five |
|---|---|---|---|---|---|
| Processor type | Intel Core i3 14100 | Intel Core i5 14500 vPro | Intel Core i5 14600 vPro | Intel Core i7 14700 vPro | Intel 300 |
| Processor wattage | 60 W | 65 W | 65 W | 65 W | 46 W |
| Processor total core count | 4 | 14 | 14 | 20 | 2 |
| Performance-cores | 4 | 6 | 6 | 8 | 2 |
| Efficient-cores | None | 8 | 8 | 12 | None |
| Processor total thread counts | 8 | 20 | 20 | 28 | 4 |
|
NOTE:Intel®
Hyper-Threading Technology is only available on
Performance-cores.
|
|||||
| Processor speed | Up to 4.70 GHz | Up to 5 GHz | Up to 5.20 GHz | Up to 5.40 GHz, Turbo Max Boost | 3.90 GHz |
| Performance-cores frequency | |||||
| Processor base frequency | 3.50 GHz | 2.60 GHz | 2.70 GHz | 2.10 GHz | 3.90 GHz |
| Maximum turbo frequency | 4.70 GHz | 5 GHz | 5.20 GHz | 5.30 GHz | Not applicable |
| Efficient-cores frequency | |||||
| Processor base frequency | Not applicable | 1.90 GHz | 2 GHz | 1.50 GHz | Not applicable |
| Maximum turbo frequency | Not applicable | 3.70 GHz | 3.90 GHz | 4.20 GHz | Not applicable |
| Processor cache | 12 MB | 24 MB | 24 MB | 33 MB | 6 MB |
| Integrated graphics | Intel UHD Graphics 730 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 710 |
| Description | Option six | Option seven | Option eight | Option nine | Option ten |
|---|---|---|---|---|---|
| Processor type | Intel Core Ultra 3 205 | Intel Core Ultra 5 225 | Intel Core Ultra 5 235 | Intel Core Ultra 5 245 | Intel Core Ultra 7 265 |
| Processor wattage | 65 W | 65 W | 65 W | 65 W | 65 W |
| Processor total core count | 8 | 10 | 14 | 14 | 20 |
| Performance-cores | 4 | 6 | 6 | 6 | 8 |
| Efficient-cores | 4 | 4 | 8 | 8 | 12 |
| Processor total thread counts | 8 | 10 | 14 | 14 | 20 |
|
NOTE:Intel® Hyper-Threading Technology is
only available on Performance-cores.
|
|||||
| Processor speed | Up to 4.90 GHz | Up to 4.90 GHz | Up to 5 GHz | Up to 5.10 GHz | Up to 5.30 GHz |
| Performance-cores frequency | |||||
| Processor base frequency | 3.80 GHz | 3.30 GHz | 3.40 GHz | 3.50 GHz | 2.40 GHz |
| Maximum turbo frequency | 4.90 GHz | 4.90 GHz | 5 GHz | 5.10 GHz | 5.20 GHz |
| Efficient-cores frequency | |||||
| Processor base frequency | 3.20 GHz | 2.70 GHz | 2.90 GHz | 3 GHz | 1.80 GHz |
| Maximum turbo frequency | 4.40 GHz | 4.40 GHz | 4.40 GHz | 4.50 GHz | 4.60 GHz |
| Processor cache | 15 MB | 20 MB | 24 MB | 24 MB | 30 MB |
| Integrated graphics | Intel Graphics | Intel Graphics | Intel Graphics | Intel Graphics | Intel Graphics |
Chipset
The following table lists the details of the chipset that is supported by your Dell Pro Tower QCT1250.
| Description | Option one | Option two |
|---|---|---|
| Processors |
|
Intel Core Ultra 3/5/7 |
| Chipset |
Intel Q670 |
Intel Q870 |
| DRAM bus width |
64-bit/128-bit |
64-bit/128-bit |
| Flash EPROM |
32 MB PRMC + 16 MB nPRMC |
32 MB PRMC + 32 MB nPRMC |
| PCIe bus |
Up to Gen3 |
Up to Gen4 |
Operating system
Your Dell Pro Tower QCT1250 supports the following operating systems:
- Windows 11 Home
- Windows 11 Pro
- Windows 11 Pro National Education
- Ubuntu Linux 24.04 LTS
Memory
The following table lists the memory specifications that are supported by your Dell Pro Tower QCT1250.
| Description | Values |
|---|---|
| Memory slots |
Two UDIMM slots |
| Memory type |
DDR5 |
| Memory speed |
|
| Maximum memory configuration |
64 GB |
| Minimum memory configuration |
8 GB |
| Memory size per slot |
8 GB, 16 GB, or 32 GB |
| Memory configurations supported |
For computers shipped with an Intel Core 300/i3 14100/i5 14500 vPro
processor:
|
External ports and slots
The following table lists the external ports and slots of your Dell Pro Tower QCT1250.
| Description | Values |
|---|---|
| Network port |
One RJ45 ethernet port (1 Gbps) |
| USB ports |
|
| Audio port |
One global headset jack |
| Video port(s) |
|
| Power port |
One power-cable connector |
| Peripheral port |
One legacy serial port (optional) |
| Security-cable slot |
|
External Port (optional module slot)
The following table lists the external ports that are supported on the optional module slot for Dell Pro Tower QCT1250.
| Description | Values |
|---|---|
| USB ports |
|
| Video ports | For computers shipped with an Intel Core 300/i3 14100/i5 14500 vPro/i5
14600 vPro/i7 14700 vPro processor:
|
Internal slots
The following table lists the internal slots on your Dell Pro Tower QCT1250.
| Description | Values |
|---|---|
| M.2 |
NOTE:To learn more about the features of different types of M.2 cards, search in the Knowledge Base Resource at
Dell Support Site.
|
| SATA |
|
| PCIe |
|
Ethernet
The following table lists the wired ethernet Local Area Network (LAN) specifications of your Dell Pro Tower QCT1250.
| Description | Values |
|---|---|
| Model |
Intel i219-LM |
| Transfer rate |
10/100/1000 Mbps |
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your Dell Pro Tower QCT1250.
| Description | Option one | Option two | Option three |
|---|---|---|---|
| Model number |
Intel Wi-Fi 6E AX211 |
Intel Wi-Fi 7 BE200, 2x2, 802.11be |
MediaTek Wi-Fi 6 MT7920 |
| Transfer rate |
Up to 2400 Mbps |
Up to 5760 Mbps |
Up to 1200 Mbps |
| Frequency bands supported |
2.4 GHz/5 GHz/6 GHz |
2.4 GHz/5 GHz/6 GHz |
2.4 GHz/5 GHz |
| Wireless standards |
|
|
|
| Encryption |
|
|
|
| Bluetooth wireless card NOTE:The functionality of the Bluetooth wireless card may vary based on
the operating system. |
Bluetooth 5.3 |
Bluetooth 5.4 |
Bluetooth 5.4 |
Audio
The following table lists the audio specifications of your Dell Pro Tower QCT1250.
| Description | Values |
|---|---|
| Audio type |
High Definition Audio |
| Audio controller |
Realtek ALC3204 |
| Internal audio interface |
High Definition Audio (HDA) interface |
| External audio interface |
One global headset jack |
Storage
This section lists the storage options on your Dell Pro Tower QCT1250.
- One 3.5-inch hard drive
- One M.2 2230/2280 solid-state drive
| Storage type | Interface type | Capacity |
|---|---|---|
|
3.5-inch hard drive |
SATA AHCI, up to 6 Gbps |
Up to 2 TB |
|
M.2 2230 QLC solid-state drive |
|
Up to 1 TB |
|
M.2 2230 TLC solid-state drive |
|
Up to 1 TB |
|
9.5 mm 8x slimline DVD-RW drive |
SATA AHCI, up to 1.5 Gbps |
One slimline DVD-RW |
Power ratings
The following table lists the power rating specifications of Dell Pro Tower QCT1250.
| Description | Option one | Option two |
|---|---|---|
| Type |
180 W, Bronze |
360 W, Platinum |
| Input voltage |
90 VAC–264 VAC |
90 VAC–264 VAC |
| Input frequency |
47 Hz–63 Hz |
47 Hz–63 Hz |
| Input current (maximum) |
3 A |
5 A |
| Output current (continuous) |
Operating:
|
Operating:
|
| Rated output voltage |
|
|
| Temperature range: | ||
| Operating |
5°C to 45°C (41°F to 113°F) |
5°C to 45°C (41°F to 113°F) |
| Storage |
-40°C to 70°C (-40°F to 158°F) |
-40°C to 70°C (-40°F to 158°F) |
Power supply connector
The following table lists the Power supply connector specifications of your Dell Pro Tower QCT1250.
| Power supply | Connectors |
|---|---|
| 180 W internal power supply unit (PSU), 80 Plus Bronze |
|
| 360 W internal power supply unit (PSU), 80 Plus Platinum |
|
GPU—Integrated
The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Dell Pro Tower QCT1250.
| Controller | Memory size | Processor |
|---|---|---|
|
Intel Graphics |
Shared system memory |
Intel Core Ultra 3/5/7 |
|
Intel UHD Graphics 710 |
Shared system memory |
Intel Core 300 |
|
Intel UHD Graphics 730 |
Shared system memory |
Intel Core i3 |
|
Intel UHD Graphics 770 |
Shared system memory |
Intel Core i5 vPro/i7 vPro |
Video port and resolution matrix
The following table lists the Video port and resolution matrix of your Dell Pro Tower QCT1250.
| Port type | DisplayPort 1.4a (HBR2) | DisplayPort 1.4a (HBR3) | DisplayPort 2.1 (UHBR20) | VGA | HDMI 2.1 (TDMS) | HDMI 2.1 (FRL) |
|---|---|---|---|---|---|---|
| Maximum resolution—single display | 4096 x 2304 at 60 Hz | 5130 x 3200 at 60 Hz | 7680 x 4320 at 60 Hz | 1920 x 1200 at 60 Hz | 4096 x 2160 at 60 Hz | 5120 x 3200 at 60 Hz |
| Maximum resolution—dual MST | 2560 x 1600 at 60 Hz | 3840 x 2160 at 60Hz | 5120 x 3200 at 60 Hz | Not applicable | Not applicable | Not applicable |
| Maximum resolution—triple MST | 2560 x 1440 at 60 Hz | 2560 x 1600 at 60 Hz | 4096 x 2304 at 60 Hz | Not applicable | Not applicable | Not applicable |
| Maximum resolution—quadruple MST | 1920 x 1080 at 60 Hz | 2560 x 1440 at 60 Hz | 4096 x 2304 at 60 Hz | Not applicable | Not applicable | Not applicable |
GPU—Discrete
The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Dell Pro Tower QCT1250.
| Controller | Memory size | Memory type |
|---|---|---|
|
AMD Radeon RX 6300 |
2 GB |
GDDR6 |
|
AMD Radeon RX 7400 |
8 GB |
GDDR6 |
|
NVIDIA RTX A400 |
4 GB |
GDDR6 |
Hardware security
The following table lists the hardware security of your Dell Pro Tower QCT1250.
| Hardware security |
|---|
| Chassis intrusion switch |
| Chassis lock slot support |
| Intel Authenticate |
| Intel Secure Boot |
| Security-cable slot (Kensington lock) |
| Local hard drive data wipe through BIOS (Secure Erase) |
| Lockable cable covers |
| Microsoft 10 Device Guard and Credential Guard (Enterprise SKU) |
| Microsoft Windows BitLocker |
| Padlock ring |
| SafeBIOS: includes Dell Off-host BIOS Verification, BIOS Resilience, BIOS Recovery, and additional BIOS Controls |
| SafeID including Trusted Platform Module (TPM) 2.0 |
| Self-encrypting storage drives (Opal, FIPS) |
| Smart card keyboard (FIPS) |
| Supply chain tamper alerts |
| Trusted Platform Module TPM 2.0 |
Environmental
The following table lists the environmental specifications of your Dell Pro Tower QCT1250.
| Feature | Values |
|---|---|
| Recyclable packaging | Yes |
| BFR/PVC—free chassis | Yes |
| Vertical orientation packaging support | Yes |
| Multi-Pack packaging | No |
| Energy-Efficient Power Supply | Yes |
| ENV0424 compliant | Yes |
Regulatory compliance
The following table lists the regulatory compliance of your Dell Pro Tower QCT1250.
| Regulatory compliance |
|---|
| Product Safety, EMC and Environmental Datasheets |
| Dell Regulatory Compliance Home page |
| Responsible Business Alliance policy |
Operating and storage environment
This table lists the operating and storage specifications of your Dell Pro Tower QCT1250.
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
| Description | Operating | Storage |
|---|---|---|
| Temperature range |
10°C to 35°C (50°F to 95°F) |
-40°C to 65°C (-40°F to 149°F) |
| Relative humidity (maximum) |
20% to 80% (non-condensing) |
5% to 95% (non-condensing) |
| Vibration (maximum)* |
0.26 GRMS |
1.37 GRMS |
| Shock (maximum) |
40 G† |
105 G† |
| Altitude range |
-15.2 m to 3048 m (-49.87 ft to 10000 ft) |
-15.2 m to 10668 m (-49.87 ft to 35000 ft) |
|
CAUTION:Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.
|
||
* Measured using a random vibration spectrum that simulates the user environment.
† Measured using a 2 ms half-sine pulse.




























