The HP ProDesk 400 G4 Small Form Factor (SFF) is an enterprise-class commercial business desktop computer engineered to deliver dependable 6th Generation quad-core processing muscle, versatile multitasking memory bandwidth, rapid solid-state responsiveness, and essential corporate security in a compact, heavy-duty steel chassis. Designed as a cornerstone of HP’s commercial desktop fleet, this SFF desktop combines tool-less chassis accessibility, native digital DisplayPort 1.2 and legacy VGA display outputs, hardware-level TPM 2.0 security, dual full-sized DDR4 DIMM expansion slots, and low-profile PCI Express expandability. This unit pairs a full-voltage True Quad-Core Intel Core i5 processor with a versatile 12GB DDR4 multitasking memory layout, a rapid 256GB solid-state storage drive, its matching standard AC power cord, and dual-monitor multi-display versatility, providing an agile, dependable, and robust workstation pre-loaded with Windows 11 Pro.

HP ProDesk 400 G4 SFF | Core i5-6500 True Quad-Core 3.60GHz Turbo | 256GB SSD | 12GB DDR4 RAM | DisplayPort 1.2 + VGA | Low-Profile PCIe | Small Form Factor Desktop | Windows 11 Pro | AC Power Cord

The HP ProDesk 400 G4 SFF represents HP’s benchmark essential commercial fleet engineering, packing steady quad-core computing throughput, hardware-level TPM 2.0 security, and dual-monitor productivity into a low-profile chassis that can orient vertically as a slim tower or lay horizontally flat beneath a monitor. Powered by the full-voltage 65W 6th Generation Intel Core i5-6500 processor (4 Physical Cores, 4 Threads, running at a 3.20GHz base frequency and scaling up to a high 3.60GHz Max Turbo with a 6MB Intel Smart Cache), this desktop provides dedicated computing muscle for complex data spreadsheets, database administration, accounting platforms, inventory control systems, cloud portals, and fluid multi-tab web browsing. Outfitted with a versatile 12GB DDR4 memory configuration, a rapid 256GB solid-state storage drive, and dual native display outputs, it delivers snappy, click-to-open responsiveness across daily office and commercial environments.

• True Quad-Core 6th Gen Intel Core i5 Processing Muscle (65W Full-Voltage): The i5-6500 features 4 physical computing cores, 4 threads, and a 6MB Intel Smart Cache running up to 3.60GHz Turbo—delivering snappy single-thread execution, cool thermals, and dependable multi-core execution to power through daily business workloads without slowdowns.

• Versatile 12GB DDR4 Multitasking Pool: Outfitted with 12GB of high-speed 2400MHz DDR4 RAM (configured across DIMM slots, 8GB + 4GB), providing an abundant performance ceiling that eliminates memory bottlenecks when running multiple accounting tools, dense spreadsheets, and dozens of browser tabs simultaneously (expandable up to 32GB across 2 slots).

• Blazing-Fast Solid-State Storage: Equipped with a rapid 256GB Solid State Drive (SSD) (M.2 PCIe NVMe / 2.5" SATA SSD), delivering near-instant system boot times, lightning-quick application launches, and reliable, shock-resistant data stability compared to traditional mechanical hard drives.

• Dual Video Outputs for Multi-Monitor Flexibility (DisplayPort + VGA): Outfitted with one native full-sized DisplayPort 1.2 port and one legacy VGA port, enabling seamless independent multi-screen desktop configurations right out of the box across modern digital monitors, conference room projectors, and legacy office/industrial displays without requiring specialized adapters.

• Comprehensive Commercial I/O Array: Features two front USB 3.1 Gen 1 Type-A ports, two rear USB 3.1 Gen 1 Type-A ports, four rear USB 2.0 ports (total of 8 USB ports), a hardwired RJ-45 Gigabit Ethernet port, a front universal audio combo jack with CTIA headset support, and rear 3.5mm audio line-in/line-out jacks.

• Modular Small Form Factor Chassis: Measuring roughly 10.6" x 3.7" x 11.7" and weighing approximately 10.14 pounds, the heavy-duty industrial steel chassis fits comfortably on crowded desks, mounts in tight spaces, and offers two low-profile PCIe expansion slots (1x PCIe 3.0 x16, 1x PCIe 3.0 x1) for adding dedicated low-profile graphics cards, extra networking ports, or Wi-Fi adapters.

Technical Specifications

• Model: HP ProDesk 400 G4 Small Form Factor (SFF)

• Chassis Form Factor: Small Form Factor (SFF) Desktop (Industrial Steel Chassis, Vertical/Horizontal Orientation)

• Processor: Intel Core i5-6500 6th Gen True Quad-Core (4 Cores, 4 Threads, 3.20GHz base, up to 3.60GHz Max Turbo Boost, 65W TDP, 6MB Intel Smart Cache)

• Memory: 12GB DDR4 2400MHz RAM (Configured across 2 full-sized DIMM slots, expandable up to 32GB)

• Storage: 256GB Solid State Drive (SSD) (M.2 PCIe NVMe / 2.5" SATA SSD)

• Graphics: Integrated Intel HD Graphics 530 (Multi-display support and hardware video acceleration)

• Video Ports: 1x DisplayPort 1.2, 1x VGA (Supports dual independent monitors; expandable via PCIe)

• Front I/O Ports: 2x USB 3.1 Gen 1 Type-A, 1x Universal Audio Headset Combo Jack

• Rear I/O Ports: 2x USB 3.1 Gen 1 Type-A, 4x USB 2.0 Type-A, 1x RJ-45 Gigabit Ethernet Port, 1x 3.5mm Audio Line-In, 1x 3.5mm Audio Line-Out

• Internal Expansion Slots: 1x Low-Profile PCIe 3.0 x16, 1x Low-Profile PCIe 3.0 x1, 1x M.2 2280 (for storage), 1x M.2 2230 (for optional Wi-Fi/Bluetooth)

• Internal Drive Bays: 1x 3.5" Internal Hard Drive Bay (accommodates 2.5" SSD with caddy), 1x Slimline Optical Drive Bay

• Power Supply: Internal 180W Active PFC High-Efficiency Power Supply with matching AC Power Cord (Included)

• OS: Windows 11 Pro (64-bit, fully optimized and activated)

Why Choose the ProDesk 400 G4 SFF (Core i5 Quad-Core / 12GB RAM / 256GB SSD / DisplayPort + VGA)?

🚀 The Dependable Commercial Quad-Core Workhorse: The HP ProDesk 400 G4 SFF is an outstanding choice for corporate offices, small businesses, reception desks, shipping stations, accounting hubs, or dedicated home workstations that demand the proven stability of a 6th Gen Intel Core i5 quad-core processor scaling up to 3.60GHz, a versatile 12GB DDR4 memory cushion, rapid solid-state responsiveness, 8 total USB ports, and dual-monitor display versatility (DisplayPort + VGA) in a sturdy, space-conscious steel desktop frame. With open PCIe slots and an internal drive bay, it provides dependable longevity, easy maintenance, and modern security. Pre-loaded with a clean, secure Windows 11 Pro environment, it arrives completely updated, factory reset, and ready to deploy right out of the box with its standard power cord.

Serviceability Note: HP engineered the ProDesk 400 G4 SFF with an intuitive tool-less design. Releasing the rear latch allows the heavy-gauge steel side panel to slide off instantly, providing direct, unhindered access to both DDR4 DIMM slots, the motherboard storage interfaces, the swing-out drive cage assembly, PCIe expansion slots, and the cooling assembly, making future maintenance, storage expansion, or memory additions remarkably quick.

🛡️ Verified for Quality: This commercial desktop PC has been professionally inspected and thoroughly bench-tested across strict hardware validation loops—including complete 12GB DDR4 memory diagnostics, full 256GB solid-state storage health and read/write performance evaluations, internal thermal cooling strain cycles, dual video port testing across both DisplayPort and VGA jacks, and all USB/Ethernet port connection checks, ensuring pristine out-of-the-box reliability.