Updated:April, 2026

10 Best Dell Pro Slim Qcs1250 Sff I9 128gb of 2026

Best Choice

9.9

Outstanding

Dell

Dell Pro Slim QCS1250 SFF Desktop, New OptiPlex Version, 14th Gen i9-14900K (24 Cores, Up to 6.0GHz), 16GB DDR5 RAM, 512GB PCIe SSD, HDMI+DP, Up to 4 Monitor Support, USB-C, Wi-Fi 6E, Windows 11 Pro

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Why We Love It

Next-Gen OptiPlex Design Experience desktop-class speed with Intels latest 14th Gen i9-14900K processor, featuring 24 cores and up to 6.0 GHz Max Turbo frequency for demanding workloads, multitasking, and gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 256 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 SFF (Small Form Factor) blends enterprise-grade performance into a space-saving chassis, perfect for home offices, business setups, and creative studios without sacrificing power.
Multi-Display Productivity HubSupports up to 4 displays via HDMI + DisplayPort (adapter required for 4-screen setups), ideal for multitasking, trading, content creation, and immersive workflow environments.
Modern Connectivity & SecurityEquipped with Wi-Fi 6E, USB-C, and advanced thermal design for consistent, quiet performance. Pre-loaded with Windows 11 Pro for seamless productivity and enterprise-level security.

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Why We Love It

Next-Gen OptiPlex Design Experience desktop-class speed with Intels latest 14th Gen i9-14900K processor, featuring 24 cores and up to 6.0 GHz Max Turbo frequency for demanding workloads, multitasking, and gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 256 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 SFF (Small Form Factor) blends enterprise-grade performance into a space-saving chassis, perfect for home offices, business setups, and creative studios without sacrificing power.
Multi-Display Productivity HubSupports up to 4 displays via HDMI + DisplayPort (adapter required for 4-screen setups), ideal for multitasking, trading, content creation, and immersive workflow environments.
Modern Connectivity & SecurityEquipped with Wi-Fi 6E, USB-C, and advanced thermal design for consistent, quiet performance. Pre-loaded with Windows 11 Pro for seamless productivity and enterprise-level security.

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9.5

Excellent

Dell

Dell Pro Slim QCS1250 SFF Desktop, New OptiPlex Version, 14th Gen i9-14900K (24 Cores, Up to 6.0GHz), 64GB DDR5 RAM, 2TB PCIe SSD, HDMI+DP, Up to 4 Monitor Support, USB-C, Wi-Fi 6E, Windows 11 Pro

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Main Highlights

Next-Gen OptiPlex Design Experience desktop-class speed with Intels latest 14th Gen i9-14900K processor, featuring 24 cores and up to 6.0 GHz Max Turbo frequency for demanding workloads, multitasking, and gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 256 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 SFF (Small Form Factor) blends enterprise-grade performance into a space-saving chassis, perfect for home offices, business setups, and creative studios without sacrificing power.
Multi-Display Productivity HubSupports up to 4 displays via HDMI + DisplayPort (adapter required for 4-screen setups), ideal for multitasking, trading, content creation, and immersive workflow environments.
Modern Connectivity & SecurityEquipped with Wi-Fi 6E, USB-C, and advanced thermal design for consistent, quiet performance. Pre-loaded with Windows 11 Pro for seamless productivity and enterprise-level security.

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Main Highlights

Next-Gen OptiPlex Design Experience desktop-class speed with Intels latest 14th Gen i9-14900K processor, featuring 24 cores and up to 6.0 GHz Max Turbo frequency for demanding workloads, multitasking, and gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 256 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 SFF (Small Form Factor) blends enterprise-grade performance into a space-saving chassis, perfect for home offices, business setups, and creative studios without sacrificing power.
Multi-Display Productivity HubSupports up to 4 displays via HDMI + DisplayPort (adapter required for 4-screen setups), ideal for multitasking, trading, content creation, and immersive workflow environments.
Modern Connectivity & SecurityEquipped with Wi-Fi 6E, USB-C, and advanced thermal design for consistent, quiet performance. Pre-loaded with Windows 11 Pro for seamless productivity and enterprise-level security.

9.5

Excellent

Dell

Dell Pro Slim QCS1250 SFF Desktop, Formerly Optiplex (Intel Ultra 5-235 (Beats i7-14700), 16GB DDR5, 512GB SSD, WiFi 7, RJ-45, HDMI+DP, KB & Mouse, Win 11 Pro)

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Main Highlights

[Superior Machine] ; 802.11be, Bluetooth 5.4, RJ-45, No, USB Keyboard, USB Mouse
[Powerful Performance] 15th Gen Ultra 5-235 3.40GHz Processor (upto 5 GHz, 24MB Cache, 14-Cores, 14-Threads, 6 Performance-cores); Integrated GPU shared Integrated Graphics
[High Speed and Multitasking] 16GB DDR5 DIMM; 180W PSU; Black Color
[Enormous Storage] 512GB 2230 PCIe NVMe SSD; 4 USB 2.0, HDMI, 1 Display Port, USB 3.2 Type-C, Headphone/Microphone Combo Jack, Windows 11 Pro,
[Includes] Authorized Dockztorm Portable USB Hub(Portable Dockztorm Data Hub;Data Rate up to 5Gbps)

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Main Highlights

[Superior Machine] ; 802.11be, Bluetooth 5.4, RJ-45, No, USB Keyboard, USB Mouse
[Powerful Performance] 15th Gen Ultra 5-235 3.40GHz Processor (upto 5 GHz, 24MB Cache, 14-Cores, 14-Threads, 6 Performance-cores); Integrated GPU shared Integrated Graphics
[High Speed and Multitasking] 16GB DDR5 DIMM; 180W PSU; Black Color
[Enormous Storage] 512GB 2230 PCIe NVMe SSD; 4 USB 2.0, HDMI, 1 Display Port, USB 3.2 Type-C, Headphone/Microphone Combo Jack, Windows 11 Pro,
[Includes] Authorized Dockztorm Portable USB Hub(Portable Dockztorm Data Hub;Data Rate up to 5Gbps)

9.2

Excellent

Dell

Dell Pro Slim QCS1250 SFF Desktop, Next Gen Optiplex (Intel i5-14500 (Beats i7-13700), 16GB DDR5, 512GB PCIe SSD, Intel UHD 770, RJ-45, Display Port, HDMI, KB & Mouse, Win 11 Pro)

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Main Highlights

; RJ-45, No, USB Keyboard, USB Mouse
14th Gen i5-14500 2.60GHz Processor (upto 5 GHz, 24MB Cache, 14-Cores, 20-Threads, 6 Performance-cores); Intel UHD 770 Integrated Graphics
16GB DDR5 DIMM; 180W PSU; Black Color
512GB PCIe NVMe SSD; 4 USB 2.0, HDMI, 1 Display Port, USB 3.2 Type-C, Headphone/Microphone Combo Jack, Windows 11 Pro-64,
Modern architecture ensures cooler and smoother operation

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Main Highlights

; RJ-45, No, USB Keyboard, USB Mouse
14th Gen i5-14500 2.60GHz Processor (upto 5 GHz, 24MB Cache, 14-Cores, 20-Threads, 6 Performance-cores); Intel UHD 770 Integrated Graphics
16GB DDR5 DIMM; 180W PSU; Black Color
512GB PCIe NVMe SSD; 4 USB 2.0, HDMI, 1 Display Port, USB 3.2 Type-C, Headphone/Microphone Combo Jack, Windows 11 Pro-64,
Modern architecture ensures cooler and smoother operation

9.0

Excellent

Dell

Dell Pro Slim QCS1250 SFF Desktop (Replaces OptiPlex SFF), Intel Ultra 7-265K, 32GB DDR5, 1TB NVMe SSD, WiFi 6E, BT, USB-C, HDMI/DP, Windows 11 Pro, Small Form Factor Business PC – Black

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Main Highlights

Intel Ultra 7 - Outperforms the i9-12900 with faster, more efficient performance
Front: 2x USB 2.0, USB-C, USB-A 3.2 and Headset jack
Rear: 2x USB-A 3.2, 2x USB 2.0, DisplayPort 1.4a, HDMI 2.1
Dual Monitor Support Equipped with 1x DisplayPort 1.4a and 1x HDMI 2.1 to support two displays simultaneously for enhanced productivity or multitasking.
Integrated WiFi 6E + Bluetooth 5.3 Stay connected with ultra-fast Intel AX WiFi 6E and the latest Bluetooth 5.3 for improved wireless range, speed, and device pairing.

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Main Highlights

Intel Ultra 7 - Outperforms the i9-12900 with faster, more efficient performance
Front: 2x USB 2.0, USB-C, USB-A 3.2 and Headset jack
Rear: 2x USB-A 3.2, 2x USB 2.0, DisplayPort 1.4a, HDMI 2.1
Dual Monitor Support Equipped with 1x DisplayPort 1.4a and 1x HDMI 2.1 to support two displays simultaneously for enhanced productivity or multitasking.
Integrated WiFi 6E + Bluetooth 5.3 Stay connected with ultra-fast Intel AX WiFi 6E and the latest Bluetooth 5.3 for improved wireless range, speed, and device pairing.

8.8

Very Good

Dell

Dell Pro Slim QCS1250 Business Desktop, New OptiPlex Version, Intel Core i7-14700(20 Core, 28 Threads), 32GB DDR5 RAM, 1TB PCIe SSD, Ultra-Quiet Design, Dual 4K Monitor Support, USB-C, Windows 11

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Main Highlights

Next-Gen Performance Powered by the 14th Gen Intel i7-14700 with 20 cores (8 Performance + 12 Efficient) and up to 5.6GHz turbo, this desktop handles multitasking, office workloads, and light creative tasks with ease.
High-Speed Memory & StorageEquipped with Up to DDR5 RAM 64GB and lightning-fast PCIe SSD storage from 4TB Max, ensuring smooth.
Versatile Connectivity and ExpansionEquipped with multiple USB ports, HDMI 2.1, and DisplayPort 1.4a, this Slim desktop supports multi-display setups, fast data transfers, and flexible device connectivity.
Dual Monitor ReadyHDMI + DisplayPort support allows you to connect two monitors effortlessly, boosting productivity, multitasking, or immersive workflow setups.
Compact & Fully ConnectedSpace-saving design with USB-C, Wi-Fi, and Windows 11 Pro pre-installedperfect for home offices, small businesses, or remote work setups.

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Main Highlights

Next-Gen Performance Powered by the 14th Gen Intel i7-14700 with 20 cores (8 Performance + 12 Efficient) and up to 5.6GHz turbo, this desktop handles multitasking, office workloads, and light creative tasks with ease.
High-Speed Memory & StorageEquipped with Up to DDR5 RAM 64GB and lightning-fast PCIe SSD storage from 4TB Max, ensuring smooth.
Versatile Connectivity and ExpansionEquipped with multiple USB ports, HDMI 2.1, and DisplayPort 1.4a, this Slim desktop supports multi-display setups, fast data transfers, and flexible device connectivity.
Dual Monitor ReadyHDMI + DisplayPort support allows you to connect two monitors effortlessly, boosting productivity, multitasking, or immersive workflow setups.
Compact & Fully ConnectedSpace-saving design with USB-C, Wi-Fi, and Windows 11 Pro pre-installedperfect for home offices, small businesses, or remote work setups.

8.6

Very Good

Dell

Dell Pro Slim QCS1250 SFF Desktop Computer, 16-core Intel Core i9-12900K, 16GB DDR5, 512GB SSD, DisplayPort + HDMI, Wi-Fi 6E, Bluetooth, RJ-45, USB-C, Wired Keyboard & Mouse, Windows 11 Pro

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Main Highlights

Processor Intel Core i9-12900K Processor (16 Cores, 24 Threads, 30 MB Intel Smart Cache, 3.2 GHz Base Frequency, Up to 5.1 GHz Max Turbo Frequency).
RAM and Storage Up to 64GB DDR5 RAM. Up to 4TB PCIe M.2 SSD.
Operating system Windows 11 Pro, 64-bit, English.
Keyboard and Mouse Dell Black Wired Keyboard and Mouse.
Tech Specs 8x USB Ports; 2-Monitor Ports (DisplayPort + HDMI); WiFi 6E and Bluetooth; Ethernet (RJ-45).

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Main Highlights

Processor Intel Core i9-12900K Processor (16 Cores, 24 Threads, 30 MB Intel Smart Cache, 3.2 GHz Base Frequency, Up to 5.1 GHz Max Turbo Frequency).
RAM and Storage Up to 64GB DDR5 RAM. Up to 4TB PCIe M.2 SSD.
Operating system Windows 11 Pro, 64-bit, English.
Keyboard and Mouse Dell Black Wired Keyboard and Mouse.
Tech Specs 8x USB Ports; 2-Monitor Ports (DisplayPort + HDMI); WiFi 6E and Bluetooth; Ethernet (RJ-45).

8.3

Very Good

Dell

Dell Pro Slim QCS1250 SFF Desktop (New OptiPlex Version), 14th Gen i7-14700K (20 Cores, Up to 5.6GHz), 32GB DDR5 RAM, 1TB PCIe SSD, HDMI+DP Dual Monitor Support, USB-C, Wi-Fi 6E, BT, Windows 11 Pro

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Main Highlights

Next-Gen OptiPlex Design Experience next-level multitasking and performance with the 14th Gen Intel Core i7-14700K processor, featuring 8 Performance-cores and 12 Efficient-cores for smooth handling of heavy workloads, creative tasks, and modern gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 512 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 Small Form Factor desktop combines sleek aesthetics with professional-grade cooling and performance, perfect for home offices, studios, or enterprise environments where space and silence matter.
Multi-Display Productivity HubSupports up to 4 monitors via HDMI + DisplayPort outputs (additional adapters may be required), enabling enhanced multitasking, immersive presentations, or expansive trading and design setups.
Modern Connectivity & SecurityStay connected and protected with Wi-Fi 6E, USB-C, multiple USB 3.2 ports, and Windows 11 Prooffering enterprise-level security, remote management, and effortless integration into any professional workspace.

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Main Highlights

Next-Gen OptiPlex Design Experience next-level multitasking and performance with the 14th Gen Intel Core i7-14700K processor, featuring 8 Performance-cores and 12 Efficient-cores for smooth handling of heavy workloads, creative tasks, and modern gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 512 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 Small Form Factor desktop combines sleek aesthetics with professional-grade cooling and performance, perfect for home offices, studios, or enterprise environments where space and silence matter.
Multi-Display Productivity HubSupports up to 4 monitors via HDMI + DisplayPort outputs (additional adapters may be required), enabling enhanced multitasking, immersive presentations, or expansive trading and design setups.
Modern Connectivity & SecurityStay connected and protected with Wi-Fi 6E, USB-C, multiple USB 3.2 ports, and Windows 11 Prooffering enterprise-level security, remote management, and effortless integration into any professional workspace.

8.1

Very Good

Dell

Dell Pro Slim QCS1250 SFF Desktop, New OptiPlex Version, 14th Gen i9-14900K (24 Cores, Up to 6.0GHz), 64GB DDR5 RAM, 4TB PCIe SSD, HDMI+DP, Up to 4 Monitor Support, USB-C, Wi-Fi 6E, Windows 11 Pro

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Main Highlights

Next-Gen OptiPlex Design Experience desktop-class speed with Intels latest 14th Gen i9-14900K processor, featuring 24 cores and up to 6.0 GHz Max Turbo frequency for demanding workloads, multitasking, and gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 256 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 SFF (Small Form Factor) blends enterprise-grade performance into a space-saving chassis, perfect for home offices, business setups, and creative studios without sacrificing power.
Multi-Display Productivity HubSupports up to 4 displays via HDMI + DisplayPort (adapter required for 4-screen setups), ideal for multitasking, trading, content creation, and immersive workflow environments.
Modern Connectivity & SecurityEquipped with Wi-Fi 6E, USB-C, and advanced thermal design for consistent, quiet performance. Pre-loaded with Windows 11 Pro for seamless productivity and enterprise-level security.

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Main Highlights

Next-Gen OptiPlex Design Experience desktop-class speed with Intels latest 14th Gen i9-14900K processor, featuring 24 cores and up to 6.0 GHz Max Turbo frequency for demanding workloads, multitasking, and gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 256 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 SFF (Small Form Factor) blends enterprise-grade performance into a space-saving chassis, perfect for home offices, business setups, and creative studios without sacrificing power.
Multi-Display Productivity HubSupports up to 4 displays via HDMI + DisplayPort (adapter required for 4-screen setups), ideal for multitasking, trading, content creation, and immersive workflow environments.
Modern Connectivity & SecurityEquipped with Wi-Fi 6E, USB-C, and advanced thermal design for consistent, quiet performance. Pre-loaded with Windows 11 Pro for seamless productivity and enterprise-level security.

8.1

Very Good

Dell

Dell Pro Slim QCS1250 SFF Desktop (New OptiPlex Version), 14th Gen i9-14900K (24 Cores, Up to 6.0GHz), 32GB DDR5 RAM, 2TB PCIe SSD, HDMI+DP Dual Monitor Support, USB-C, Wi-Fi 6E, BT, Windows 11 Pro

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Main Highlights

Next-Gen OptiPlex Design Experience desktop-class speed with Intels latest 14th Gen i9-14900K processor, featuring 24 cores and up to 6.0 GHz Max Turbo frequency for demanding workloads, multitasking, and gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 512 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 SFF (Small Form Factor) blends enterprise-grade performance into a space-saving chassis, perfect for home offices, business setups, and creative studios without sacrificing power.
Multi-Display Productivity HubSupports up to 4 displays via HDMI + DisplayPort (adapter required for 4-screen setups), ideal for multitasking, trading, content creation, and immersive workflow environments.
Modern Connectivity & SecurityEquipped with Wi-Fi 6E, USB-C, and advanced thermal design for consistent, quiet performance. Pre-loaded with Windows 11 Pro for seamless productivity and enterprise-level security.

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Main Highlights

Next-Gen OptiPlex Design Experience desktop-class speed with Intels latest 14th Gen i9-14900K processor, featuring 24 cores and up to 6.0 GHz Max Turbo frequency for demanding workloads, multitasking, and gaming.
High-Speed DDR5 Memory & PCIe SSD OptionsChoose the performance that fits your needs, from 16 GB up to 64 GB of ultra-fast DDR5 RAM and lightning-quick PCIe NVMe SSD storage ranging from 512 GB to 4 TB. Enjoy rapid file access, smooth multitasking, and plenty of room for all your projects and media.
Compact Yet Powerful SFF DesignThe Pro Slim QCS1250 SFF (Small Form Factor) blends enterprise-grade performance into a space-saving chassis, perfect for home offices, business setups, and creative studios without sacrificing power.
Multi-Display Productivity HubSupports up to 4 displays via HDMI + DisplayPort (adapter required for 4-screen setups), ideal for multitasking, trading, content creation, and immersive workflow environments.
Modern Connectivity & SecurityEquipped with Wi-Fi 6E, USB-C, and advanced thermal design for consistent, quiet performance. Pre-loaded with Windows 11 Pro for seamless productivity and enterprise-level security.

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