Dimensions and weight
The following table lists the height, width, depth, and weight of your Dell Slim ECS1250.
| Description | Values | |
|---|---|---|
| Height |
303.50 mm (11.95 in.) |
|
| Width |
95 mm (3.74 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 table lists the details of the processors that are supported for your Dell Slim ECS1250.
| Description | Option one | Option two | Option three | |
|---|---|---|---|---|
| Processor type |
Intel Core Ultra 5 225 |
Intel Core Ultra 7 265 |
Intel Core i3 14100 |
|
| Processor wattage |
65 W |
65 W |
60 W |
|
| Processor total core count |
10 |
20 |
4 |
|
| Performance-cores |
6 |
8 |
4 |
|
| Efficient-cores |
4 |
12 |
0 |
|
| Processor total thread
counts NOTE:Intel
Hyper-Threading Technology is only available on
Performance-cores.
|
10 |
20 |
8 |
|
| Processor speed |
Up to 4.9 GHz |
Up to 5.3 GHz |
Up to 4.7 GHz |
|
| Performance-cores frequency | ||||
| Processor base frequency |
3.3 GHz |
2.4 GHz |
3.5 GHz |
|
| Maximum turbo frequency |
4.9 GHz |
5.3 GHz |
4.7 GHz |
|
| Efficient-cores frequency | ||||
| Processor base frequency |
2.7 GHz |
1.8 GHz |
Not applicable |
|
| Maximum turbo frequency |
4.4 GHz |
4.6 GHz |
Not applicable |
|
| Processor cache |
20 MB |
30 MB |
12 MB |
|
| Integrated graphics |
Intel Graphics |
Intel Graphics |
Intel UHD Graphics 730 |
|
| Description | Option four | Option five | |
|---|---|---|---|
| Processor type |
Intel Core i5 14400 |
Intel Core i7 14700 |
|
| Processor wattage |
65 W |
65 W |
|
| Processor total core count |
10 |
20 |
|
| Performance-cores |
6 |
8 |
|
| Efficient-cores |
4 |
12 |
|
| Processor total thread
counts NOTE:Intel
Hyper-Threading Technology is only available on
Performance-cores.
|
16 |
28 |
|
| Processor speed |
Up to 4.7 GHz |
Up to 5.4 GHz |
|
| Performance-cores frequency | |||
| Processor base frequency |
2.5 GHz |
2.1 GHz |
|
| Maximum turbo frequency |
4.7 GHz |
5.3 GHz |
|
| Efficient-cores frequency | |||
| Processor base frequency |
1.8 GHz |
4.2 GHz |
|
| Maximum turbo frequency |
3.5 GHz |
1.5 GHz |
|
| Processor cache |
20 MB |
33 MB |
|
| Integrated graphics |
Intel UHD Graphics 730 |
Intel UHD Graphics 770 |
|
Chipset
The following table lists the details of the chipset that is supported by your Dell Slim ECS1250.
| Description | Option one | Option two |
|---|---|---|
| Processors |
Intel Core i3/i5/i7 |
Intel Core Ultra 5/7 |
| Chipset |
Intel Q670 |
Intel Q870 |
| DRAM bus width |
64-bit/128-bit |
64-bit/128-bit |
| Flash EPROM |
32 MB + 16 MB |
32 MB + 32 MB |
| PCIe bus |
Up to Gen3 |
Up to Gen4 |
Operating system
Your Dell Slim ECS1250 supports the following operating systems:
- Windows 11 Home
- Windows 11 Pro
- Windows 11 Pro National Education
- Ubuntu Linux 24.04 LTS, 64-bit
Memory
The following table lists the memory specifications that are supported by your Dell Slim ECS1250.
| 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, and 32 GB |
| Memory configurations supported |
NOTE:For computers shipped with an Intel
Core i3 14100 or Intel Core i5 14400 processor
NOTE:For computers shipped with an Intel
Core i7 14700, Intel Core Ultra 5 225 or Intel Core
Ultra 7 265 processor
|
External ports and slots
The following table lists the external ports and slots of your Dell Slim ECS1250.
| Description | Values |
|---|---|
| Network port |
One RJ45 ethernet port (1 Gbps) |
| USB ports |
Front
|
| Audio port |
One global headset (headphone and microphone combo) jack |
| Video port(s) |
For computers shipped with an Intel Core
Ultra 5 225 or Intel Core Ultra 7 265 processor
NOTE:The maximum resolution supported by
DisplayPort 1.4 port (HBR3) is 5120 x 3200 @ 60
Hz. For computers shipped with an Intel Core i3
14100, Intel Core i5 14400 or Intel Core i7 14700
processor
NOTE:The maximum
resolution supported by DisplayPort 1.4 port (HBR2) is 4096 x
2304 @ 60 Hz.
NOTE:The
maximum resolution supported by the HDMI 2.1 (TDMS) port is 4096
x 2160 @ 60 Hz.
|
| Media-card reader |
One SD-card slot (optional) |
| Power-adapter port |
One power-cable connector |
| Peripheral port | One legacy serial port (optional) |
| Security-cable slot |
|
Internal slots
The following table lists the internal slots on your Dell Slim ECS1250.
| 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 |
One SATA 3.0 slot for 3.5-inch hard drive |
| PCIe |
|
Ethernet
The following table lists the wired ethernet Local Area Network (LAN) specifications of your Dell Slim ECS1250.
| Description | Values |
|---|---|
| Model |
Realtek RTL8111KD |
| Transfer rate |
10/100/1000 Mbps |
Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Dell Slim ECS1250.
| Description | Option one | Option two |
|---|---|---|
| Model number |
Intel AX211 |
Mediatek MT7920 |
| Transfer rate |
Up to 2400 Mbps |
Up to 1200 Mbps |
| Frequency bands supported |
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 wireless card |
Bluetooth 5.4 wireless card |
Audio
The following table lists the audio specifications of your Dell Slim ECS1250.
| Description | Values |
|---|---|
| Audio type |
Realtek |
| Audio controller |
ALC3204 |
| Internal audio interface |
High definition audio interface |
| External audio interface |
One global headset (headphone and microphone combo) jack |
Storage
This section lists the storage options on your Dell Slim ECS1250.
| Storage | 3.5-inch hard drive | M.2 2230 or 2280 socket | ||
|---|---|---|---|---|
| M.2 solid state drive | No | Yes | ||
| M.2 solid state drive | 3.5-inch hard drive | Yes | Yes (Primary M.2 PCIe boot function) | |
| Storage type | Interface type | Capacity |
|---|---|---|
|
3.5-inch hard-disk drive, 7200 RPM |
SATA AHCI, up to 6 Gbps |
Up to 2 TB |
|
M.2 2230 solid state drive |
PCIe Gen4x4 NVMe, up to 64 GT/s |
Up to 256 GB |
|
M.2 2230 QLC solid state drive |
PCIe Gen4x4 NVMe, up to 64 GT/s |
Up to 2 TB |
Media-card reader (optional)
The following table provides the specification of media cards that are supported by your Dell Slim ECS1250.
| Description | Values |
|---|---|
| Media-card slot type |
One SD-card slot |
| Media-cards supported |
|
|
NOTE:The maximum capacity that is supported by the media-card reader varies depending on the standard of the media card that is installed on your computer.
|
|
Power ratings
The following table lists the power rating specifications of Dell Slim ECS1250.
| Description | Values | |
|---|---|---|
| Type |
180 W internal Power Supply Unit (PSU), 85% Efficient, 80PLUS Bronze |
|
| Input voltage |
90 VAC–264 VAC |
|
| Input frequency |
47 Hz to 63 Hz |
|
| Input current (maximum) |
3 A |
|
| Output current (continuous) |
Operating
|
|
| Rated output voltage |
|
|
| Temperature range | ||
| Operating |
5°C to 45°C (41°F to 113°F) |
|
| Storage |
-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 Slim ECS1250.
| Connector | Pin |
|---|---|
| 180 W (85% efficient, 80PLUS Bronze Certified) |
|
GPU—Integrated
The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Dell Slim ECS1250.
| Controller | External display support | Memory size | Processor |
|---|---|---|---|
|
Intel UHD Graphics 730 |
NOTE:The maximum resolution supported by
DisplayPort 1.4 port (HBR2) is 4096 x 2304 @ 60 Hz.
NOTE:The maximum resolution supported by the
HDMI 2.1 (TDMS) port is 4096 x 2160 @ 60 Hz .
|
Shared system memory |
|
|
Intel UHD Graphics 770 |
NOTE:The maximum resolution supported by
DisplayPort 1.4 port (HBR2) is 4096 x 2304 @ 60 Hz.
NOTE:The maximum resolution supported by the
HDMI 2.1 (TDMS) port is 4096 x 2160 @ 60 Hz .
|
Shared system memory |
Intel Core i7 14700 |
|
Intel Graphics |
NOTE:The maximum resolution supported by
DisplayPort 1.4 port (HBR3) is 5120 x 3200 @ 60 Hz.
NOTE:The maximum resolution supported by the
HDMI 2.1 (TDMS) port is 4096 x 2160 @ 60 Hz .
|
Shared system memory |
|
Hardware security
The following table lists the hardware security of your Dell Slim ECS1250.
| Hardware security |
|---|
| Kensington security-cable slot |
| One padlock ring slot |
| Trusted Platform Module (TPM) 2.0 |
Environmental
The following table lists the environmental specifications of your Dell Slim ECS1250.
| Feature | Values |
|---|---|
| Recyclable packaging | Yes |
| Vertical orientation packaging support | No |
| Multi-Pack packaging | Yes |
Regulatory compliance
The following table lists the regulatory compliance of your Dell Slim ECS1250.
| 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 Slim ECS1250.
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
| Description | Operating | Storage |
|---|---|---|
| Temperature range |
10°C to 35°C (32°F to95°F) |
-40°C to 65°C (-40°F to 149°F) |
| Relative humidity (maximum) |
20% to 80% (non-condensing, Max dew point temperature = 26°C) |
5% to 95% (non-condensing, Max dew point temperature = 33°C) |
| Vibration (maximum)* |
0.26 GRMS random at 5 Hz to 350 Hz |
1.37 GRMS random at 5 Hz to 350 Hz |
| Shock (maximum) |
40 G† |
105 G† |
| Altitude range |
-15.2 m to 3048 m (-49.86 ft to10,000 ft) |
-15.2 m to 10,668 m (-49.86 ft to 35,000 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.




























