السلام عليكم ورحمة الله وبركاتة :-

لـدي لاب توب Toshiba Satellite L755-M1KU :-




Specifications
Processor type : Intel® Core™ i5-2430M Processor
clock speed : 2.40 / 3.00 Turbo GHz
Front Side Bus : 1333 MHz
3rd level cache : 3 MB
Operating system Genuine Windows® 7 Home Premium 64-bit (pre-installed, Toshiba-HDD recovery)
Design Colour colour : Modena Red with Matrix pattern, black keyboard
System memory standard : 4,096 MB
maximum expandability : 8,192 MB
technology : DDR3 RAM (1,333 MHz)
Hard disk capacity : 640 GB
drive rotation : 5,400 rpm
DVD Super Multi drive (Double Layer) compatibility : CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-R(DL), DVD-RW, DVD+R, DVD+R(DL), DVD+RW, DVD-RAM
maximum speed : Read: 24x CD-ROM, 8x DVD-ROM/ Write: 24x CD-R, 4x CD-RW, 10x HS CD-RW, 24x US CD-RW, 8x DVD-R, 6x DVD-R (Double Layer), 6x DVD-RW, 8x DVD+R, 6x DVD+R (Double Layer), 8x DVD+RW, 5x DVD-RAM
type : DVD Super Multi (Double Layer) drive
Display size : 39.6cm (15.6”)
type : Toshiba TruBrite® HD TFT High Brightness display with 16 : 9 aspect ratio and LED backlighting
internal resolution : 1,366 x 768
Graphics adapter type : NVIDIA® GeForce® GT 525M with CUDA™ Technology
memory amount : 1,024 MB dedicated VRAM. Available graphics memory can be expanded using system memory, through TurboCache™ technology: up to 2,806 MB with 4 GB system memory installed, and up to 4,095 MB with 8 GB system memory, (with pre-installed 64-bit operating system).
memory type : DDR3 Video RAM (resp. Video RAM and system memory combined)
connected bus : PCI Express®
Internal video modes The following internal video modes are supported:
resolution : 1,366 x 768
Max. external video modes max. resolution : 2,048 x 1,536
max. refresh rate : 100 Hz
non-interlaced resolution with max. refresh rate : 1,920 x 1,200
Interfaces 1 × DC-in
1 × external monitor
1 × RJ-45
1 × external microphone
1 × headphone (stereo)
2 × USB 2.0
1 × integrated 1.3 Megapixels Web Camera with built-in microphone
1 (Left) × USB 3.0 supporting USB Sleep-and-Charge
1 × HDMI
1 × Multi-Card Reader (supports SD™ Card up to 2 GB, miniSD™/microSD™ Card with adapter up to 2 GB, SDHC™ Card up to 32 GB, SDXC™ Card up to 64 GB, Memory Stick® up to 256 MB, Memory Stick Pro™ up to 2 GB and MultiMedia Card™ up to 2 GB)
Expansion 2 × memory slots (1 to configure)
Wireless communication Compliancy : Wi-Fi®
Network Support : 802.11b/g/n
Manufacturer : Atheros
Wireless Technology : Wireless LAN
Manufacturer : Atheros
Wireless Technology : Bluetooth® 3.0 + HS
Wired communication topology : Gigabit Ethernet LAN
speed : 10BASE-T/100BASE-TX/1000BASE-T
Sound system supported audio format : 24-bit stereo
speakers : built-in Onkyo stereo speaker
manufacturer : Toshiba Bass Enhanced Sound System with Dolby® Advanced Audio
Keyboard keys : 102
Windows keys : Yes
special features : Full-size matt white flat keyboard with 10-digit numeric keypad
Pointing device type : Touchpad with multi-touch control supporting various scroll, zoom and launch functionalities at your fingertips. Featuring a separate touchpad on/off button.
Battery technology : lithium-ion
maximum life : up to 4h30min* (Mobile Mark™ 2007).

*the duration of the battery has been calculated in test conditions, values may change depending by working conditions.
AC adapter input voltage : autosensing AC adapter (100/240 V) for worldwide usage
output voltage : 19 V
output current : 3.95 A
Physical dimensions W x L x H : 380.0 x 250.0 x 27.7 (front) / 37.5 (rear) mm
weight : starting at 2.50 kg
Warranty 1-year international warranty. Upgrade your standard warranty with Toshiba warranty extension, uplift and all-risks insurance packs.
Bundled hardware AC adapter
Bundled software Toshiba Bluetooth™ Stack
Toshiba Disc Creator
Toshiba User's Manual
Supervisor Password Utility
Toshiba Assist
Chicony Camera Assistant Software
Toshiba Face Recognition
Toshiba Value Added Package (Toshiba Power Saver, Toshiba Zooming Utility, Toshiba PC Diagnostic Tool, Toshiba Flash Cards, Toshiba Components Common Driver, Toshiba Accessibility, Toshiba Button Support)
McAfee® Internet Security (includes free Internet updates for 30 days)
WildTangent Games Console
Toshiba Photo Service
Toshiba Recovery Media Creator
Nero BackItUp & Burn Autobackup Essentials
Skype
Bing Toolbar and Bing Search
Windows Live Essentials
eBay
Amazon
This PC includes limited functionality versions of Microsoft ® Word and Excel with advertising. Purchase Microsoft ® Office 2010 to activate a full-featured suite preloaded on this PC.
Nero Multimedia Suite 10 Essential
Connectivity Doctor
ConfigFree™
Toshiba utilities and drivers
Toshiba EasyMedia Easy Entertainment
Dolby® Advanced Audio
HDMI-out

Easy Connectivity
Multi-Card Reader
Bluetooth® 2.1 with EDR
Toshiba Face Recognition
Built-in Web Camera & Microphone
Toshiba ConfigFree™
USB 3.0

Easy Usability
McAfee® Internet Security (includes free Internet updates for 30 days)
Toshiba Media Controller & Toshiba Media Controller Plug-in
Power-saving Eco Utility
Nero Software
Display with LED backlighting
PC Health Monitor
Toshiba TEMPRO Performance Tuning Service
Smart Display Support
USB Sleep-and-Charge
Touch Pad with Multi-Touch Control
Security features user password
slot for Kensington Cable Lock
supervisor password
HDD password on request
Special features ENERGY STAR 5.0 qualified computer
Enhanced Intel® SpeedStep® Technology
HD Audio supporting
SM BIOS compliant
Certification This product is in compliance with the requirements of the applicable European Directives for CE marking.

المهم هــل من الممكن زيادة حجم الذاكرة الي 8 جيجابايت مع العلم ان الاب توب يحتوي علي ذاكرة بحجم 4 جيجابايت .ويوجد به مكان اخر لذاكرة اضافية ......و مع العلم ايضا انني قمت بشرائة من خمسة شهـور اي في 19/5/2012 لكن اريد اضافة ذاكرة اخري بحجم 4 جيجابايت . ولكن الذي اخشاة انه مكتوب علي الذاكرة في المـواصفات 1333 ميجا هرتز .فا اريد من الاخوة الكرام ان يفيدوني برايهم.