Easy to deploy, sleek, and feature-rich, the HP ProOne 400 20" All-in-One PC with business-class collaboration, optional touch, manageability, and security features is a sound investment.

Specifications

General
   Type:  Personal computer
   Product Form Factor:  All-in-one - with height-adjustable stand
   Embedded Security:  Trusted Platform Module (TPM 2.0) Security Chip
   Localization:  English / United States

Processor / Chipset
   CPU:  Intel Pentium G4560T / 2.9 GHz
   Number of Cores:  Dual-Core
   CPU Qty:  1
   Max CPU Qty:  1
   CPU Upgradability:  Upgradable
   Processor Main Features:  Hyper-Threading Technology, Intel Smart Cache
   Chipset Type:  Intel H270

Cache Memory
   Installed Size:  3 MB
   Cache Per Processor:  3 MB

RAM
   Installed Size:  4 GB / 32 GB (max)
   Technology:  DDR4 SDRAM - non-ECC
   Effective Memory Speed:  2400 MHz
   Rated Memory Speed:  2400 MHz
   Memory Specification Compliance:  PC4-19200
   Form Factor:  SO-DIMM 260-pin
   Features:  Unbuffered
   Configuration Features:  1 x 4 GB

Hard Drive
   Type:  HDD
   Capacity:  1 x 500 GB
   Interface Type:  SATA 6Gb/s
   Spindle Speed:  7200 rpm

Storage Controller
   Type:  1 x SATA
   Controller Interface Type:  SATA 6Gb/s

Optical Storage
   Type:  DVD-Writer - SATA

Card Reader
   Type:  Card reader
   Supported Flash Memory Cards:  SD Memory Card, SDHC Memory Card, SDXC Memory Card

Monitor
   Monitor Type:  LED - TN
   Diagonal Size:  20"
   Native Resolution:  1600 x 900 (HD+)
   Widescreen Display:  Yes
   Image Aspect Ratio:  16:9
   Horizontal Viewing Angle:  170
   Vertical Viewing Angle:  160
   Pixel Pitch:  0.276 mm
   Image Brightness:  225 cd/m²
   Image Contrast Ratio:  1000:1
   Monitor Features:  HD+ anti-glare

Graphics Controller
   Graphics Processor:  Intel HD Graphics 610 Dynamic Video Memory Technology
   Video Interfaces:  DisplayPort

Audio Output
   Sound Output Mode:  Stereo
   Max Sampling Rate:  192 kHz
   Compliant Standards:  High Definition Audio, DTS Studio Sound
   Speakers Included:  2 x right / left channel

Camera
   Camera:  Yes
   Resolution (MP):  1 Megapixel
   Resolution:  1280 x 720

Input Device
   Type:  Mouse, keyboard

Keyboard
   Keyboard Name:  HP Business Slim Keyboard
   Interface:  USB
   Localization & Layout:  US

Mouse
   Technology:  Optical
   Interface:  USB

Audio Input
   Type:  Two microphones

Networking
   Ethernet Controller:  Realtek RTL8111HSH-CG
   Wireless LAN Supported:  Yes
   Wireless NIC:  Intel Dual Band Wireless-AC 7265
   Data Link Protocol:  Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, Bluetooth 4.2
   Features:  Dual stream (2x2)
   Compliant Standards:  IEEE 802.3, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, Bluetooth 4.2

Expansion / Connectivity
   Bays:  1 (total) / 0 (free) x external 5.25" Slim Line ¦ 1 (total) / 1 (free) x external ¦ 1 (total) / 0 (free) x internal 2.5"
   Slots:  1 (total) / 0 (free) x CPU ¦ 2 (total) / 1 (free) x SO-DIMM 260-pin ¦ 1 (total) / 0 (free) x M.2 Card - 2230 ¦ 1 (total) / 1 (free) x M.2 Card - 2280/2230
   Interfaces:  3 x USB 3.1 ¦ 2 x USB 2.0 (2 rear) ¦ 1 x DisplayPort ¦ 1 x headphones ¦ 1 x microphone ¦ 1 x audio line-out ¦ 1 x LAN (Gigabit Ethernet) - RJ-45 ¦ 1 x USB 3.1 (fast-charging)

Miscellaneous
   Theft/Intrusion Protection:  Security lock slot (cable lock sold separately)
   Security Slot Type:  Kensington security slot
   Compliant Standards:  Common Criteria EAL4+, low halogen
   Pricing Type:  Promo

Power
   Device Type:  Power adapter
   Nominal Voltage:  AC 120/230 V (50/60 Hz)
   Power Provided:  90 Watt
   Efficiency:  89%
   Power Factor Correction:  Yes (active)

Operating System / Software
   OS Provided:  Windows 10 Pro 64-bit Edition English
   Software:  HP SoftPaq Download Manager, HP Client Catalog, HP BIOS Config Utility, HP System Software Manager, HP MIK for Microsoft SCCM (free download)

Environmental Standards
   ENERGY STAR Certified:  Yes

Manufacturer Warranty
   Service & Support:  Limited warranty - parts and labor - 3 years - on-site

Dimensions & Weight
   Dimensions & Weight Details:  19.6 in - 2.3 in - 13.7 in - 12.1 lbs - without stand
   Width:  19.6 in
   Depth:  2.3 in
   Height:  13.7 in
   Weight:  12.15 lbs

Environmental Parameters
   Min Operating Temperature:  50 °F
   Max Operating Temperature:  95 °F
   Humidity Range Operating:  10 - 90% (non-condensing)