QuickSpecs

HP ProBook 4520s Notebook PC HP ProBook 4720s Notebook PC

Technical Specifications

Audio Output Quality

Frequency Response

20 Hz - 20 kHz

 

Signal to Noise Ratio

>85 dB

 

Total Harmonic Distortion0.01%

 

Noise Floor

-110 dB

 

Play/Record Sampling

8 kHz - 48kHz

 

Rate(s)

 

 

DAC

16, 20 or 24-bit

 

ADC

16 or 20-bit

 

 

 

Integrated Stereo

Power Rating

1.5 Watts

Speakers

Impedance

4 Ohms

 

 

 

Communications

 

 

 

 

 

Integrated Realtek

Ethernet Features

10 Mbit/s operation (10BASE-T; IEEE 802.3i; IEEE 802.3 clauses 13-14)

RTL8151DH-GR

 

100 Mbit/s operation (100BASE-TX; IEEE 802.3u; IEEE 802.3 clauses 21-

10/100/1000 NIC

 

30)

 

 

1000 Mbit/s operation (1000BASE-T; IEEE 802.3z and 802.3ab; IEEE

 

 

802.3 clauses 34-42)

 

 

Auto-Negotiation (Automatic Speed Selection)

 

 

Full Duplex Operation at all Speeds, Half Duplex operation at 10 and 100

 

 

Mbit/s

 

 

IEEE 802.1p QoS (Quality of Service) Support

 

 

IEEE 802.1q VLAN support

 

 

IEEE 802.3x Flow Control (IEEE 802.3 clauses 31-32; configurable)

 

Power Management

ACPI compliant - multiple power modes

 

 

Situation-sensitive features reduce power consumption

 

 

Advanced link down power saving for reducing link down power

 

 

consumption

 

Performance Features

TCP/IP/UDP Checksum Offload (configurable)

 

 

Large send offload and Giant send offload

 

 

Receiving Side Scaling

 

Manageability

Wake-on-LAN from standby and hibernation (Magic Packet and Microsoft

 

 

Wake-Up Frame); Wake-on-LAN from off (Magic Packet only)

 

 

PXE 2.1 Remote Boot

 

 

Statistics Gathering (SNMP MIB II, Ethernet-like MIB, Ethernet MIB (802.3x,

 

 

clause 30))

 

 

Comprehensive diagnostic and configuration software suite

 

 

Virtual Cable Doctor for Ethernet cable status

 

Interface

PCI Express 1.1 x1 to fully support ASPM L0s/L1 and CLKREQ

NIC Device Driver NameRealtek PCIe Gb Ethernet Family Controller

DA - 13569 Worldwide QuickSpecs — Version 2 — 3.12.2010

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HP 4720S manual Dac, Adc, RTL8151DH-GR

4720S specifications

The HP ProBook 4720s is a well-engineered business laptop that combines performance, durability, and affordability, making it suitable for professionals and small business owners alike. Introduced as part of the HP ProBook series, this model stands out for its robust build quality and essential features tailored to meet the demands of various work environments.

One of the main features of the HP 4720s is its 17.3-inch display. This spacious screen provides a generous workspace for multitasking, with a resolution of 1600 x 900 pixels. The anti-glare technology helps reduce reflections, ensuring that users can work comfortably in different lighting conditions. The large screen also makes it suitable for presentations and sharing visuals with colleagues.

Under the hood, the HP ProBook 4720s is equipped with Intel's second generation Core processors. The inclusion of options such as the Intel Core i5 and i7 provides users with the power necessary for demanding applications while maintaining energy efficiency. With up to 8GB of DDR3 RAM, multitasking is seamless, allowing users to run multiple applications simultaneously without experiencing lag.

Storage options are varied, including traditional hard drives and solid-state drives which offer faster data access speeds. This flexibility ensures that users can choose the configuration that best fits their needs, balancing performance and storage capacity.

In terms of connectivity, the HP 4720s offers a range of ports including USB 2.0 and USB 3.0, HDMI, and Ethernet, providing users with versatile options for connecting peripherals and external displays. The integrated webcam and microphone are essential for video conferencing, essential in today’s remote working environment.

Another characteristic that makes the HP ProBook 4720s stand out is its security features. The optional fingerprint reader and HP’s Client Security software provide enhanced protection for sensitive data. This focus on security is crucial for professionals who handle confidential information.

Moreover, the laptop's design features a sturdy chassis that meets military specifications for durability. This ruggedness is complemented by a spill-resistant keyboard, which enhances its usability in various environments.

Overall, the HP ProBook 4720s embodies a balance of performance, functionality, and durability. Its features cater well to business users seeking a reliable device, making it a commendable choice in the competitive landscape of laptops. Whether for office use or on-the-go productivity, the HP 4720s delivers a solid computing experience.