Dimensions and weight
The following table lists the height, width, depth, and weight of your Dell Tower DT1265.
| Description | Values |
|---|---|
| Height: | |
| Front height |
324.30 mm (12.77 in.) |
| Rear 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 you ordered.
|
|
Processor
The following table lists the details of the processors that are supported in your Dell Tower DT1265.
| Description | Option one | Option two | Option three | Option four |
|---|---|---|---|---|
| Processor type |
AMD Ryzen 3 110 |
AMD Ryzen 5 150 |
AMD Ryzen 7 170 |
AMD Ryzen 3 210 |
| Processor wattage |
30 W |
54 W |
54 W |
30 W |
| Processor total core count |
4 |
6 |
8 |
4 |
| Performance-cores |
4 |
6 |
8 |
4 |
| Efficient-cores |
None |
None |
None |
None |
| Processor total thread counts |
8 |
12 |
16 |
8 |
| Processor speed |
Up to 4.30 GHz |
Up to 4.55 GHz |
Up to 4.75 GHz |
Up to 4.70 GHz |
| Performance-cores frequency | ||||
| Processor base frequency |
3 GHz |
3.30 GHz |
3.20 GHz |
3 GHz |
| Maximum turbo frequency |
4.30 GHz |
4.55 GHz |
4.75 GHz |
4.70 GHz |
| Efficient-cores frequency | ||||
| Processor base frequency |
Not applicable |
Not applicable |
Not applicable |
Not applicable |
| Maximum turbo frequency |
Not applicable |
Not applicable |
Not applicable |
Not applicable |
| Processor cache |
8 MB |
16 MB |
16 MB |
8 MB |
| Integrated graphics |
AMD Radeon 660M |
AMD Radeon 660M |
AMD Radeon 680M |
AMD Radeon Graphics 740M |
| Description | Option five | Option six | Option seven | Option eight |
| Processor type | AMD Ryzen 5 218 | AMD Ryzen 5 230 | AMD Ryzen 5 240 | AMD Ryzen 7 260 |
| Processor wattage | 30 W | 30 W | 54 W | 54 W |
| Processor total core count | 6 | 6 | 6 | 8 |
| Performance-cores | 6 | 6 | 6 | 8 |
| Efficient-cores | None | None | None | None |
| Processor total thread counts | 12 | 12 | 12 | 16 |
| Processor speed | Up to 4.80 GHz | Up to 4.90 GHz | Up to 5 GHz | Up to 5.10 GHz |
| Performance-cores frequency | ||||
| Processor base frequency | 3.20 GHz | 3.50 GHz | 4.30 GHz | 3.80 GHz |
| Maximum turbo frequency | 4.80 GHz | 4.90 GHz | 5 GHz | 5.10 GHz |
| Efficient-cores frequency | ||||
| Processor base frequency | Not applicable | Not applicable | Not applicable | Not applicable |
| Maximum turbo frequency | Not applicable | Not applicable | Not applicable | Not applicable |
| Processor cache | 8 MB | 16 MB | 16 MB | 16 MB |
| Integrated graphics | AMD Radeon Graphics 740M | AMD Radeon Graphics 760M | AMD Radeon Graphics 760M | AMD Radeon Graphics 780M |
Chipset
The following table lists the details of the chipset that is supported by your Dell Tower DT1265.
| Description | Values |
|---|---|
| Chipset |
System on Chip (SOC) |
| Processor |
AMD Ryzen 3/5/7 |
| DRAM bus width |
128-bit (two 64-bit channels) |
| Flash EPROM |
32 MB |
| PCIe bus |
Up to Gen4 |
Operating system
Your Dell Tower DT1265 supports the following operating systems:
- Windows 11 Home
- Windows 11 Pro
- Windows 11 Pro Education
Memory
The following table lists the memory specifications that are supported by your Dell Tower DT1265.
| Description | Values |
|---|---|
| Memory slots |
Two SODIMM 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 AMD Ryzen 3 110/Ryzen 5 150/Ryzen 7
170:
|
External ports and slots
The following table lists the external ports and slots on your Dell Tower DT1265.
| Description | Values |
|---|---|
| Network port |
One RJ45 ethernet port (1 Gbps) |
| USB ports |
|
| Audio port |
One global headset jack |
| Video port(s) |
|
| Media-card reader |
None |
| Power-adapter port |
One power-cable connector |
| Security-cable slot |
|
Internal slots
The following table lists the internal slots on your Dell Tower DT1265.
| 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
NOTE:This connector is only available on computers shipped with the following
processors:
|
| PCIe |
One full-height PCIe x16 slot (wired as x8)
NOTE:This connector is not available on computers shipped with
AMD Ryzen 3 210 processor. |
Ethernet
The following table lists the wired ethernet Local Area Network (LAN) specifications of your Dell Tower DT1265.
| Description | Values |
|---|---|
| Model |
Realtek RTL8111H |
| Transfer rate |
10/100/1000 Mbps |
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Dell Tower DT1265.
| Description | Values |
|---|---|
| Model number |
MediaTek Wi-Fi 6 MT7920 |
| Transfer rate |
Up to 1200 Mbps |
| Frequency bands supported |
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 5.4 |
Audio
The following table lists the audio specifications of your Dell Tower DT1265.
| 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 Tower DT1265.
- One 3.5-inch hard drive + drive bay
- One M.2 2230/2280 solid-state drive
- AMD Ryzen 3 110
- AMD Ryzen 5 150
- AMD Ryzen 7 170
| 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, Class 25 |
PCIe Gen4x4 NVMe, up to 64 GT/s |
Up to 1 TB |
|
M.2 2230 TLC solid-state drive, Class 35 |
PCIe Gen4x4 NVMe, up to 64 GT/s |
Up to 1 TB |
Power ratings
The following table lists the power rating specifications of Dell Tower DT1265.
| 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 |
12 VDC |
12 VDC |
| 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) |
GPU—Integrated
The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Dell Tower DT1265.
| Controller | Memory size | Processor |
|---|---|---|
|
AMD Radeon 660M |
Shared system memory |
|
|
AMD Radeon 680M |
Shared system memory |
AMD Ryzen 7 170 |
|
AMD Radeon 740M |
Shared system memory |
|
|
AMD Radeon 760M |
Shared system memory |
|
|
AMD Radeon 780M |
Shared system memory |
AMD Ryzen 7 260 |
GPU—Discrete
The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Dell Tower DT1265.
| Controller | External display support | Memory size | Memory type |
|---|---|---|---|
|
NVIDIA GeForce RTX 5060 |
|
8 GB |
GDDR7 |
Operating and storage environment
This table lists the operating and storage specifications of your Dell Tower DT1265.
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) |
10% to 90% (non-condensing) |
0% 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.




























