Dell Pro Tower Desktop

Model: QCT1255
$2,144.03
Free Shipping. Price includes 9% GST.
1
Offer ID qct1255_reg_01
Your productivity powerhouse with exceptional security.

Tackle high-performance tasks effortlessly. Featuring Copilot+ PC options for AI-enhanced productivity. Built for businesses, it offers exceptional security, seamless manageability and expandable options.

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AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)
AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)
Selected
AMD Ryzen™ 3 PRO 8300G (4 cores, up to 4.9GHz)
+ $34.88
AMD Ryzen™ 5 8500G (6 cores, up to 5.0GHz)
+ $41.42
AMD Ryzen™ 5 8600G (16 TOPS NPU, 6 cores, up to 5.0GHz)
+ $97.01
AMD Ryzen™ 5 PRO 8500G (6 cores, up to 5.0GHz)
+ $69.76
AMD Ryzen™ 5 PRO 8600G (16 TOPS NPU, 6 cores, up to 5.0GHz)
+ $125.35
AMD Ryzen™ 7 8700G (16 TOPS NPU, 8 cores, up to 5.1GHz)
+ $191.84
AMD Ryzen™ 7 PRO 8700G (16 TOPS NPU, 8 cores, up to 5.1GHz)
+ $236.53
AMD Ryzen™ AI 5 PRO 440G (50 TOPS NPU, 6 cores, up to 4.8GHz)
+ $285.58
AMD Ryzen™ AI 5 PRO 435G (50 TOPs NPU, 6 cores, up to 4.5GHz)
+ $173.31
AMD Ryzen™ AI 7 PRO 450G (50 TOPS NPU, 8 cores, up to 5.1GHz)
+ $361.88
AMD Ryzen™ AI 7 450G (50 TOPS NPU, 8 cores, up to 5.1GHz)
+ $306.29
AMD Ryzen™ AI 5 440G (50 TOPS NPU, 6 cores, up to 4.8GHz)
+ $250.70
AMD Ryzen™ AI 5 435G (50 TOPs NPU, 6 cores, up to 4.5GHz)
+ $146.06
Windows 11 Pro
Windows 11 Pro
Selected
English
English
Selected
16 GB: 1 x 16 GB, DDR5, up to 5600 MT/s
8GB: 1 x 8GB, DDR5, up to 5600 MT/s
– $292.12
16 GB 2 x 8 GB DDR5 up to 4800 MT/s non ECC
+ $41.42
16 GB: 1 x 16 GB, DDR5, up to 5600 MT/s
Selected
32 GB: 2 x 16 GB, DDR5, up to 4800 MT/s, non-ECC
+ $625.66
32 GB 1 x 32 GB DDR5 up to 4800 MT/s non ECC
+ $570.07
64 GB 2 x 32 GB DDR5 4800MT/s
+ $1,753.81
512 GB SSD Gen4x4 QLC
$417.47 /ea.
+ $417.47
$807.69 /ea.
+ $807.69
$292.12 /ea.
+ $292.12
$320.46 /ea.
Selected
$152.60 /ea.
+ $152.60
$612.58 /ea.
+ $612.58
$292.12 /ea.
+ $292.12
$292.12 /ea.
+ $292.12
Internal speaker
None
Internal speaker
Selected
None
None
Selected
MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth® wireless card, internal antenna
+ $14.17
MediaTek Wi-Fi 7 MT7925, Bluetooth® wireless card
+ $14.17
MediaTek Wi-Fi 7 MT7925, 2x2, 802.11be, MU-MIMO, Bluetooth® wireless card, internal antenna
+ $34.88
MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth® wireless card, internal antenna
+ $14.17
Dell Pro Tower QCT1255 with 180W PSU
Dell Pro Tower QCT1255 with 360W PSU
– $7.63
Dell Pro Tower QCT1255 with 180W PSU
Selected
Dell Pro Tower QCT1255 with 180W PSU
$0.00
Dell Pro Tower QCT1255 with 360W PSU
+ $41.42
System Power Cord, C13, 1.8m, 250V 13A, UK
System Power Cord, C13, 1.8m, 250V 13A, UK
Selected
Document for MUI (English, Khemer, Bahasa Indonesia, Arabic, Spanish)
Document for MUI (English,Simplified Chinese,Japanese,Traditional Chinese,Korean)
$0.00
Document for MUI (English, Khemer, Bahasa Indonesia, Arabic, Spanish)
Selected
None
None
Selected
Optional Serial Port
+ $6.54
None
None
Selected
Optional DisplayPort 2.1, UHBR20, V1
+ $20.71
Optional HDMI 2.1 Port
+ $20.71
Optional USB Type-C with DisplayPort Alt mode
+ $34.88
Optional VGA Port
+ $14.17
Optional 2 x USB 3.2 Gen 2 Type-A Ports
+ $69.76
DP module Device Interface Board, Back-End, No Adapter, Card,Interface
+ $20.71
ENERGY STAR Qualified
None
ENERGY STAR Qualified
Selected
Single Pack Shipping Material
Single Pack Shipping Material
Selected
Label - LBL,REG,APCC,180W,DELTA MT
Label - LBL,REG,APCC,180W,DELTA MT
Selected
Shipping Label
Shipping Label
Selected
Screw for Single SSD Config
Selected
$0.00
Basic Hardware Service with Onsite Support After Remote Diagnosis
Basic Hardware Service with Onsite Support After Remote Diagnosis
Selected
Dell Wired Keyboard - KB216 - English-US
Dell Wired Keyboard - KB216 - English-US
Selected
No Keyboard Selected
– $18.53
Dell Pro 3 Wired Mouse - MS116 - Black
Dell Pro 3 Wired Mouse - MS116 - Black
Selected
No Mouse Selected
– $9.81
Dell Additional SW -Dell Pro Desktop
Dell Additional SW -Dell Pro Desktop
Selected
None
None
Selected
Mechanical - ASSY,CRD,I/O,USB3.1,A,FH,D12
+ $69.76
PS/2 and Serial port card (Full Height)
+ $6.54
Serial/Parallel Port Card Full Height Adapter
+ $20.71
Serial Module PCIe, Back-End, Full Height Adapter
+ $104.64
TYPE C Module Add in, Internal, CUSTOM
+ $76.30
None
None
Selected
Dell Ultra Speed SSD card, Full Height
+ $28.34
None
None
Selected
Intel Ethernet Network Adapter I226 Series
+ $90.47
Accessory - Chassis intrusion switch
Accessory - Chassis intrusion switch
Selected
None
None
Selected
8x DVD+/-RW 9.5mm Optical Disk Drive
+ $34.88
8x DVD-ROM 9.5mm ODD
+ $34.88
Integrated Graphics
NVIDIA RTX A400, 4 GB GDDR6, full height, 4 mDP to DP
+ $300.84
Integrated Graphics
Selected
EPEAT Silver with Climate+
None
EPEAT Gold with Climate+
$0.00
EPEAT Silver with Climate+
Selected
Commonly asked questions about tech specs

Tech Specs

  • Processor

    AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)

  • Operating System
    (Dell Technologies recommends Windows 11 Pro for business)

    Windows 11 Pro

  • Graphics Card

    Integrated Graphics

  • Memory *

    16 GB: 1 x 16 GB, DDR5, up to 5600 MT/s

  • Storage

    512 GB SSD Gen4x4 QLC

  • Software System Management

    Dell Additional SW -Dell Pro Desktop

  • Microsoft Office

    Activate Your Microsoft 365 For A 30-Day Trial

  • PC Operating System Language Pack - ATO - Windows 11 X86

    English

  • Energy Star

    ENERGY STAR Qualified

  • Hardware Support Services Upgrades

    Basic Onsite Support After Remote Diagnosis

  • Base Warranty

    Basic Hardware Service with Onsite Support After Remote Diagnosis

  • Keyboard

    Dell Pro 3 Wired Keyboard - KB216 - English-US - Black

  • Mouse

    Dell Pro 3 Wired Mouse - MS116 - Black

  • Ports

    Front:

    2 USB 2.0 (480 Mbps) with PowerShare ports
    1 USB 3.2 Gen 1 (5 Gbps) Type-C® port
    1 USB 3.2 Gen 1 (5 Gbps) port
    1 universal audio port

    Rear:
    2 USB 2.0 (480 Mbps) ports
    2 USB 3.2 Gen 1 (5 Gbps) ports
    1 RJ45 (1 Gbps) Ethernet port
    1 HDMI 2.1 (TMDS) port
    1 DisplayPort™ 1.4a (HBR3) port

    Rear (expansion, these are mutually exclusive options):
    1 VGA port (optional)
    1 HDMI 2.1 (FRL) port (optional)
    1 DisplayPort™ 1.4a (HBR3) port (optional)
    1 serial port (optional)
    2 USB 3.2 Gen 2 (10 Gbps) ports (optional)
    1 USB 3.2 Gen 2 (10 Gbps) Type-C® with DisplayPort™ Alt Mode port (optional)

  • Slots

    1 SATA 3.0 HDD slot
    1 SATA 3.0 ODD slot
    2 full-height Gen3 PCIe x1 slots
    1 full-height Gen4 PCIe x16 slot (wired as x8)
    1 M.2 2230/2280 SSD slot
    1 M.2 2230 slot for WiFi and Bluetooth combo card

  • dimensns@dell-pro-qct1255-desktop

    Height: 324.30 mm (12.77 in.)
    Width: 154.00 mm (6.06 in.)
    Depth: 293.00 mm (11.54 in.)
    Weight (Minimum): 6.00 kg (13.23 lb)*
    Weight (Maximum): 6.76 kg (14.91 lb)*

  • Power Cord

    System Power Cord, C13, 1.8m, 250V 13A, UK

  • Speaker

    Internal speaker

Rating & Reviews

Reviews are provided by verified users through email, My Account, or at events.
What customers are saying
Customers find the Dell Desktop easy to set up, fast for office tasks, and appreciate its quiet operation and ample storage. A few customers report missing accessories, such as keyboard dongles, or hardware issues like bent CPU pins and video failures. Overall most reviews praise performance for work and school, noting smooth Office use and reliable service, while occasional support problems are noted.
This AI-generated summary reflects customer review from the past two years and is updated weekly.
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