Lenovo IdeaCentre A540 2.4GHz i5-4258U price, specs, review 價錢、規格及用家意見

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Lenovo IdeaCentre A540 2.4GHz i5-4258U Price Guide

Lenovo IdeaCentre A540 2.4GHz i5-4258U 格價表香港

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Lenovo IdeaCentre A540 2.4GHz i5-4258U Specs

Release Date in Hong Kong
DateJun 2015
Processor family4th gen Intel® Core™ i5
Processor manufacturerIntel
Processor modeli5-4258U
Processor frequency2.4 GHz
Processor cores2
Processor boost frequency2.9 GHz
Processor threads4
Processor cache3 MB
Processor cache typeSmart Cache
64-bit computingYes
Motherboard chipsetIntel® H87
Thermal Design Power (TDP)28 W
PCI Express slots version2.0
Processor socketBGA 1168
Processor lithography22 nm
Processor operating modes64-bit
Bus typeDMI2
Processor codenameHaswell
Processor seriesIntel Core i5-4200 Mobile series
FSB ParityNo
Maximum number of PCI Express lanes12
PCI Express configurations1x4,2x4
Processor codeSR18A
Tjunction100 °C
Maximum internal memory supported by processor16 GB
Conflict-Free processorYes
Memory types supported by processorDDR3-SDRAM
Memory clock speeds supported by processor1333,1666 MHz
Memory bandwidth supported by processor (max)25.6 GB/s
Memory channels supported by processorDual
ECC supported by processorNo
Internal memory8 GB
Internal memory typeDDR3L-SDRAM
Maximum internal memory8 GB
Memory clock speed1600 MHz
Memory slots1
Memory slots typeSO-DIMM
Memory layout (slots x size)1 x 8 GB
Display diagonal60.5 cm (23.8")
Display resolution1920 x 1080 pixels
HD typeFull HD
Full HDYes
LED backlightYes
Touch technologyMulti-touch
Aspect ratio16:9
Panel typeIPS
Tilt angle range-5 - 90°
Built-in speaker(s)Yes
RMS rated power5 W
Speakers manufacturerJBL
Built-in microphoneYes
Audio systemDolby Home Theater
Ports & interfaces
Ethernet LAN (RJ-45) ports1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
HDMI ports quantity1
Headphone outputs1
Microphone inYes
Total number of SATA connectors4
Number of SATA III connectors4
Weight & dimensions
Width720 mm
Depth495 mm
Height190 mm
Weight6.8 kg
Wi-Fi standards802.11b,802.11g,Wi-Fi 4 (802.11n)
Ethernet LANNo
Bluetooth version4.0
Total storage capacity1000 GB
Storage mediaHybrid-HDD
Optical drive typeDVD±RW
Card reader integratedYes
Number of storage drives installed1
Number of HDDs installed1
HDD speed5400 RPM
HDD interfaceSerial ATA
Hybrid-HDD cache memory8 GB
Compatible memory cardsMemory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC
Operating system installedWindows 8.1
Operating system architecture64-bit
Built-in cameraYes
Total megapixels2 MP
Camera resolution1920 x 1080 pixels
Product colourSilver
Discrete graphics adapter modelNVIDIA® GeForce® GT 840A
On-board graphics adapterYes
On-board graphics adapter modelIntel® Iris™ Graphics 5100
Discrete graphics adapter memory2048 GB
On-board graphics adapter familyIntel® Iris™ Graphics
On-board graphics adapter base frequency200 MHz
On-board graphics adapter dynamic frequency (max)1100 MHz
Maximum on-board graphics adapter memory1.74 GB
Number of displays supported (on-board graphics)3
On-board graphics adapter DirectX version11.1
On-board graphics adapter ID0xA2E
Product typeAll-in-One PC
BIOS passwordYes
Placement supportedHorizontal

Reviews of Lenovo IdeaCentre A540 2.4GHz i5-4258U

Reviewed on 2020-04-30
Nicely designed all-in-ones, Good range of modern CPUs, Touchscreens
No USB-C, Some CPUs lag behind, Slow hard drives
The Lenovo Ideacentre desktop PC is made by Lenovo, a prolific computer manufacturer with a range that crosses from traditional tower cases to tiny form factors and all-in-one designs. These last machines are probably the most interesting, both from a des...
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Reviewed on 2015-08-30
Large display, small footprint
Wireless mouse may cause some headaches
When I first found out that the Lenovo A540 All-In-One was on its way, I had a flashback to my very first computer – a Tandy TRS-80 (affectionately referred to by those who worked with it as a “trash 80”) with an external hard drive. I was the envy of my...
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Reviewed on 2020-02-07
The days of the “Desktop Tower” and monitor are long gone in many or most Aussie homes. Replaced by tablets, laptops and all-in-one computers and when it comes to that last category, design is starting to catch up with expectations.The category is hardl...
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