• Lenovo ThinkPad T450s - Intel Core i5-5200U ( 2.20GHz 1600MHz 3MB) 20bx001pus $467.00 Lenovo ThinkPad T450s Ultrabook - Intel Core i7-5600U (4MB Cache, up to 3.20GHz) t450sbestsap.
• There is just the T450 and T450s.-Both are ultrabooks, but the T450 is the heavier of the two by about 0.5lbs.The T450s has a 2nd M.2 slot which allows you to install a M.2 SDD.-The T450 may allow you to upgrade the RAM, you will need to call Lenovo about that though.-T450s is more compact so the RAM is definitely soldered into the laptop.

ThinkPad® T450s Ultrabook; Operating System: Windows 8 Pro preinstalled through downgrade rights in Windows 10 Pro: Processor: Intel® Core™ i7-5600U Processor (4M Cache, up to 3.20 GHz) Intel® Core™ i5-5300U Processor (3M Cache, up to 2.90 GHz) Intel® Core™ i5-5200U Processor (3M Cache, up to 2.70 GHz) Graphics: Integrated with docking. Lenovo T450 (20BV0002US) vs Lenovo Thinkpad T450s (20BX001MUS) Laptop (Core i7 5th Gen/8 GB/256 GB SSD/Windows 8 1) comparison on basis of storage, processor, display, ram, reviews & ratings and much more with full phone specifications at Gadgets Now.

Machine Type

Lenovo T450s Ram Slots

• Broadwell: 20BW, 20BX

Standard Features

Dimensions:

• Size:
  • Models without touchscreen: 331mm x 226mm x 20.6mm (13.0' x 8.90' x 0.81')
  • Models with touchscreen: 331mm x 226mm x 22.9mm (13.0' x 8.90' x 0.90')
• Weight:
  • Starts from 1.32kg (2.9lbs) with only external 3-cell Li-ion battery (23Wh)
  • Discrete GPU option adds 0.24kg (0.53lbs)
  • Internal battery option (3-cell Li-polymer, 23Wh) adds 0.11kg (0.24lbs)
  • 6-cell external battery option (Li-ion, 48Wh) adds 0.18kg (0.40lbs)
  • 6-cell external battery option (Li-ion, 72Wh) adds 0.18kg (0.40lbs)

Color:

• Black

Features:

• CPU: one of the following ULV processors
  • Intel Core i5-5200U, 2.2 - 2.7 GHz, 3MB Cache
  • Intel Core i5-5300U, 2.3 - 2.9 GHz, 3MB Cache
  • Intel Core i7-5600U with vPro, 2.6 - 3.2 GHz, 4MB Cache

• RAM:
  • 4GB DDR3L-1600 (PC3L-12800) soldered to the systemboard
  • One free socket supporting up to 8GB DDR3L SO-DIMM

• GPU:
  • Intel HD Graphics 5500 integrated into CPU

• Maximum supported resolution on external monitor:
  • 3840x2160@60Hz via mDP
  • 1920x1200@60Hz via VGA

• Display: one of the following IPS anti-glare displays with LED backlight, 700:1 contrast ratio and 160° viewing angle
  • 14.0' 1600x900 ('HD+'), 250 nits, 400:1 contrast ratio
  • 14.0' 1920x1080 ('FHD'), 300 nits, 700:1 contrast ratio
  • Multitouch option available

• Storage: one of the following
  • SATA 3 SSD, 7mm high
  • SATA 3 HDD, 7mm / 9mm high
  • SATA 3 SSHD
  • Optional M.2 SSD

• M.2 slot with one of the following
  • Thinkpad 11b/g/n 2x2 Wi-Fi + Bluetooth combo adapter
  • Intel Wireless-N 7265 2x2 Wi-Fi + Bluetooth card
  • Intel Dual Band Wireless-N 7265 2x2 Wi-Fi + Bluetooth card
  • Intel Dual Band Wireless-N 7265 2x2 Wi-Fi + Bluetooth card

• M.2 slot with one of the following options
  • Ericsson® N5321 WWAN card with HSPA+ 21Mbps/GSM/GPRS/EDGE and GPS
  • Sierra Wireless EM7345 WWAN card with 4G LTE/HSPA/GSM/GPRS/EDGE and GPS

• • Qualcomm Snapdragon X7 LTE-A (Sierra Wireless EM7455), LTE-Advanced/DC-HSPA+/HSPA+/HSPA/UMTS/GNSS

• SIM card slot

• Ethernet: one of the following
  • Intel I219-V
  • Intel I219-LM (vPro models)

• 720p HD Integrated camera

• Batteries:
  • 3-cell internal Li-ion battery, 23Wh (option)
  • 3-cell external Li-ion battery, 23Wh
  • 6-cell external Li-ion battery, 48Wh (option)
  • 6-cell external Li-ion battery, 72Wh (option)

• Power adapter: one of the following with slim Lenovo charging port
  • 45W AC adapter
  • 65W Slim AC adapter
  • 65W AC adapter

Thinkpad T450s Ram Slot

• Security features
  • Kensington lock slot
  • TPM module
  • Integrated Fingerprint Reader (optional)

Lenovo Thinkpad T450 Ram Upgrade

• Pointing devices
  • TrackPoint (with 3 physical buttons)
  • UltraNav touch pad

Thinkpad T450s Ram Upgrade

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