The ASUSPRO BU400 Ultrabook makes business more mobile, durable, secure and productive. Work flexibly anywhere with a weight factor from 1.64kg and a 20mm profile. The BU400 is tested and proven...
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We checked the reviews from experts and users of hundreds of laptops to determine an average rating for each notebook PC manufacturer. On average notebook PCs from Asus have good reviews from owners and experts.
Quite Big Maximum Internal Memory Supported by Processor
The smallest maximum internal memory supported by processor of similar spec notebook PCs that are a comparable age to the BU401LA is 8GB and the biggest is 32GB. The BU401LA has one of the bigger maximum internal memory supported by processors (32 gigabytes) amongst ultrabooks of this age.
16 PCI Express Lanes (max)
The BU401LA has more PCI Express lanes (max) than most of the comparable spec portable PCs that were released around the same time as the BU401LA. Most of the portable PCs that have been on the market for around the same time as the BU401LA only have between 1 and 15 PCI Express lanes (max), however this portable PC has 16 PCI Express lanes (max).
Quite Fast On-Board Graphics Adapter Dynamic Frequency
With an on-board graphics adapter dynamic frequency of 1,200 megahertz, the Asus BU401LA has one of the faster on-board graphics adapter dynamic frequencies amongst ultrabooks of this age. The average on-board graphics adapter dynamic frequency of portable PCs of a comparable spec and age to the BU401LA is 1,100MHz.
Three USB 3.0 (3.1 Gen 1) Type-A Ports
Most similar spec portable PCs that were released more than two years ago have between one and three USB 3.0 (3.1 Gen 1) Type-A ports, including the BU401LA which has three USB 3.0 (3.1 Gen 1) Type-A ports.
Fairly Fast On-Board Graphics Adapter Base Frequency
Across all the portable PCs of this spec and age the on-board graphics adapter base frequencies range from 200MHz to 650MHz, and the average on-board graphics adapter base frequency is 290MHz. At 350 megahertz, the BU401LA has a fairly fast on-board graphics adapter base frequency compared to most of the other comparable spec notebook PCs that were released more than two years ago.
+15 More reasons for
Fairly Fast Processor Clock Speed
The average processor clock speed of notebook PCs that came out around the same time as the BU401LA is 1.8GHz, and the processor clock speeds range from 1GHz to 2.9GHz. With a processor clock speed of 2 gigahertz, the BU401LA has a quite fast processor clock speed compared to most of the other notebook PCs of this age and spec.
If you would prefer a faster processor clock speed then you might want to look at the Toshiba Z30 (2.1GHz).
Intel Core I7 Processor Family
The BU401LA has a better processor family than most ultrabooks that have been on the market for a comparable time to it. This notebook PC has an Intel Core i7 processor family, whereas most ultrabooks that have been around for a similar time to it have an Intel Core i5 processor family. The processor family of all similar spec portable PCs that are a comparable age to the BU401LA ranges from Intel Core i3-2xxx (worst) to Intel Core i7-3xxx (best).
Has a Front Camera
The BU401LA has a front camera, as do most of the other similar spec portable PCs that were launched around the same time as the BU401LA.
1,600MHz Processor Memory Clock Speed
The Asus BU401LA supports a 1,600MHz processor memory clock speed which is faster than the 133MHz processor memory clock speed supported by most notebook PCs of this age and spec. In addition, this Asus laptop supports 1 and 333MHz processor memory clock speeds.
A 1,600MHz processor memory clock speed is actually the best supported memory clock speeds supported by processor amongst all laptops of this type and age.
Amongst similar types of portable PC the worst supported memory clock speeds supported by processor is 133MHz.
Fairly Big Total Storage Capacity
Laptops that have been around for more than two years have total storage capacity of between 64GB and 1.1TB. At 500 gigabytes, the BU401LA has a quite big total storage capacity compared to most of the other notebook PCs that came out around the same time as the BU401LA.
If you want a notebook PC with a bigger total storage capacity then you might want to consider the Lenovo X1 Carbon (512GB), or the DELL XPS 13 (512GB).
Fairly Big Screen Size
The BU401LA has one of the bigger screen sizes (14 inches) amongst laptops of this age. The average screen size of notebook PCs that have been available for around the same time as the BU401LA is 14", and the screen sizes range from 11" to 18".
64-Bit Operating System Architecture
This laptop has a 64-bit operating system architecture, which is the most commonly found operating system architecture on notebook PCs of this type and age.
L3 Processor Cache
This notebook PC has a L3 processor cache, which is typical of many ultrabooks that have been on the market for a comparable time to it.
802.11n WiFi Standard
This laptop has an 802.11b|802.11g|802.11n WiFi standard, which is typical of many notebook PCs that have been around for around the same time as it.
Three USB 3.0 Ports
The Asus BU401LA is a three USB 3.0 port portable PC.
Quite Big L3 Cache
Across all the ultrabooks that were released more than two years ago the L3 caches range from 2MB to 6MB, and the average L3 cache is 3.3MB. At 4 megabytes, the BU401LA has a quite big L3 cache compared to most of the other ultrabooks that were released around the same time as the BU401LA.
Fairly Big Processor Cache
The processor caches of comparable spec laptops that have been around for a similar time to the BU401LA range from 1MB to 6MB, and the average processor cache is 3.3MB. The BU401LA has a fairly big processor cache (4 megabytes) compared to most of the other laptops that were released more than two years ago.
Quite Big Battery Capacity
The average battery capacity of notebook PCs of a comparable age and spec to the BU401LA is 46Wh. At 53 watt-hours, the BU401LA has a fairly big battery capacity compared to most of the other similar spec notebook PCs that have been available for around the same time as the BU401LA.
Fairly Big Maximum Internal Memory
The maximum internal memory of comparable spec laptops that have been available for more than two years range from 4GB to 16GB. The BU401LA has a fairly big maximum internal memory (12 gigabytes) compared to most of the other ultrabooks that have been around for around the same time as the BU401LA.
7 Reasons Against
Only Not Supported HD Type
The HD type of this portable PC is Not supported, which is the most frequently found HD type on portable PCs of a comparable spec and age to it.
Does Not Have a Full-Size Keyboard
The BU401LA does not have a full-size keyboard. Most of the other laptops of a comparable age and type to the BU401LA also do not have a full-size keyboard.
Only 1366 X 768 Pixels Display Resolution
This laptop has a display resolution of 1366 x 768 pixels, which is the most frequently found display resolution on ultrabooks that have been available for more than two years.
Does Not Have a Touch Sensitive Screen
The Asus BU401LA does not have a touch sensitive screen. Most of the other ultrabooks that have been on the market for around the same time as the BU401LA also do not have a touch sensitive screen.
+4 More reasons against
Only 10 Mbit/s Ethernet LAN Data Rate
This notebook PC Ethernet LAN data rate, which is the most frequently found Ethernet LAN data rate on ultrabooks that have been on the market for around the same time as it.
Only 32 Solid-State Drive Capacity
The BU401LA is a 32 gigabytes solid-state drive capacity notebook PC.
Only SonicMaster Audio System
This laptop audio system, which is typical of many laptops of a comparable age and type to it.
4 Other reasons to consider the Asus BU401LA
Released Over Three Years Ago
Asus released the BU401LA over three years ago.
Average Internal Memory
The Asus BU401LA has a pretty average internal memory (6 gigabytes) compared to most of the other notebook PCs that have been available for a similar time to the BU401LA.
Notebook PCs with a bigger internal memory that might be worth considering include the DELL XPS 13 (8GB), or the Lenovo X240 (8GB).
HDD Storage Medium
The BU401LA has an HDD storage medium which is better than most laptops that were released around the same time as it. Most portable PCs that were released more than two years ago have an SSD storage medium. HDD is a traditional storage drive which stores the information on magnetic disks. HDD drives are slower than other forms of storage such as solid state drives (SSD) and flash drives.
+2 Other reasons
At 1.6 kilograms, the BU401LA has a relatively average weight compared to most of the other ultrabooks that are a comparable age to the BU401LA.
Intel Segment Tagging
Intel Core i7, Intel Core i7-3xxx
Processor Clock Speed
System Bus Data Transfer Rate
Maximum Turbo Frequency
Conflict Free Processor
Integrated 4G WiMAX
PCI Express Lane (max)
Processor Operating Mode
PCI Express Slot Version
Thermal Design Power (TDP)
PCI Express Configuration
1x8, 1x16, 1x1, 2x4, 2x8
CPU Multiplier (bus/core Ratio)
Processor Cache Type
SO-DIMM, On-board, On-board + SO-DIMM
Maximum Internal Memory
Memory Clock Speed
Total Storage Capacity
HDD, HDD+SSD, SSD, SSD
Integrated Card Reader
Solid-State Drive Capacity
Hard Drive Size
Hard Drive Interface
Hard Drive Capacity
Hard Drive Installed
1366 x 768
Touch Sensitive Screen
On-Board Graphics Adapter Model
Intel HD Graphics, Intel HD Graphics 4000, Intel HD Graphics 400
Discrete Graphics Adapter Model
On-Board Graphics Adapter ID
Display Supported by On-Board Grap
On-Board Graphics Adapter Dynamic Frequency
On-Board Graphics Adapter Base Frequency
On-Board Graphics Adapter
Ethernet LAN Data Rate
Ethernet LAN Connection
802.11b, 802.11g, 802.11n
Wireless LAN Connection
3G Network Access Module
Ports & Interfaces
Combo Headphone/mic Port
S/PDIF Out Port
Microphone in Port
Ethernet LAN Ports
USB 3.0 (3.1 Gen 1) Type-A Port
Windows 8, Windows 8 Pro
Operating System Architecture
Processor Special Features
Intel Anti-Theft Technology
Intel VPro Technology
Intel My WiFi Technology
Intel Turbo Boost Technology
Intel Identity Protection Technology
Intel Hyper-Threading Technology
Intel Small Business Advantage (SBA)
Intel Wireless Display (WiDi) Technology
Enhanced Intel SpeedStep Technology
Intel InTru 3D Technology
Intel Quick Sync Video Technology
Intel Clear Video HD Technology
Supported Instruction Set
Intel FDI Technology
Intel Dual Display Capable Technology
Intel Fast Memory Access
Intel Secure Key
Execute Disable Bit
Intel Secure Key Technology Version
Thermal Monitoring Technology
CPU Configuration (max)
Intel VT-X With Extended Page Tables (EPT)
Intel Smart Cache
Processor Package Size
Intel Flex Memory Access
Intel Virtualization Technology (VT-X)
Graphics & IMC Lithography
Intel Enhanced Halt State
Intel AES New Instructions
Intel Virtualization Technology for Directed I/O (VT-D)
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