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17/17R
Specifications
© 2013 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc.
Intel®, Pentium®, and Celeron® are registered trademarks and Core™ is a trademark of Intel Corporation in the
U.S. and other countries. Bluetooth® is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell
under license. Blu-ray Disc™ is a trademark owned by the Blu-ray Disc Association (BDA) and licensed for use
on discs and players.
2013 - 10 Rev. A00
Regulatory model: P17E | Type: P17E001/P17E002
Computer model: Inspiron 3721/5721/3737/5737
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Dimensions
Height (front to back):
With 4-cell battery 31.05 mm to 32.20 mm (1.22 in to 1.27 in)
With 6-cell battery 31.05 mm to 36.10 mm (1.22 in to 1.42 in)
Width 412 mm (16.22 in)
Depth 270 mm (10.63 in)
Weight with 4-cell battery (maximum):
Inspiron 3721/3737/5737 2.80 kg (6.17 lb)
Inspiron 5721 2.85 kg (6.28 lb)
Weight with 6-cell battery (maximum):
Inspiron 3721 2.90 kg (6.39 lb)
Inspiron 5721/3737/5737 2.95 kg (6.50 lb)
NOTE: The weight of your laptop varies
depending on the configuration ordered and
the manufacturing variability.
System Information
Computer model Inspiron 3721/5721/3737/5737
Inspiron 3721/5721 Inspiron 3737/5737
Processor • Intel Pentium Dual Core
(2nd and 3rd generation)
• Intel Core i3 ULV
(3rd generation)
• Intel Core i5 ULV
(3rd generation)
• Intel Core i7 ULV
(3rd generation)
System chipset Intel HM76 chipset Integrated in processor
• Intel Core i3 ULV
(4th generation)
• Intel Core i5 ULV
(4th generation)
• Intel Core i7 ULV
(4th generation)
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Memory
Connectors Two SODIMM connectors
Type:
Inspiron 3721/5721
Inspiron 3737/5737
Speed Up to 1600 MHz
Configurations supported:
Inspiron 3721/5721/3737 2 GB, 4 GB, 6 GB, and 8 GB
Inspiron 5737 2 GB, 4 GB, 6 GB, 8 GB, 12 GB, and 16 GB
Dual-channel DDR3
Dual-channel DDR3L
Ports and Connectors
External:
Network One RJ45 port
USB • Two USB 3.0 ports
• One USB 2.0 port
• One USB 2.0 port with Windows debugging
HDMI One HDMI port
Audio One headphone and microphone
combo (headset) port
Internal:
Mini-card One full mini-card slot for WLAN and Bluetooth
combo card
Communications
Network adapter 10/100 Mbps Ethernet LAN on Motherboard
(LOM)
Wireless • Wi-Fi 802.11 b/g/n
• Bluetooth 4.0
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Video
Inspiron 3721/5721 Inspiron 3737/5737
Controller:
Integrated Intel HD Graphics 4000 • Intel HD Graphics 5100
• Intel HD Graphics 4400
Discrete • AMD Radeon HD 7670M
• AMD Radeon HD 8730M
Memory:
Integrated Shared system memory
Discrete Up to 2 GB GDDR3
• AMD Radeon HD 8670M
• AMD Radeon HD 8870M
Audio
Controller ALC3221
Speaker Two 2-watt speakers
Internal microphone Digital microphone in camera assembly
Volume controls Program menus and keyboard
media-functionkeys
Storage
Interface SATA 6 Gbps
Hard drive One 2.5-inch drive
(supports Intel Smart Response Technology)
Optical drive One 9.5 mm drive
• DVD+/-RW
• Blu-ray RW (optional)
Media-card reader
Type One 8-in-1 slot
Cards supported • SD card
• SD Hi-Capacity (SDHC) card
• SD Extended Capacity (SDXC) card with Ultra
High Speed (UHS)
• Memory Stick
• Memory Stick PRO
• Memory Stick Extended Capacity (MSXC)
• MultiMedia Card (MMC)
• MultiMedia Card plus (MMC+)
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Display
Type • 17.3-inch HD+ WLED with TrueLife
• 17.3-inch Full HD WLED
Resolution (maximum):
HD+ 1600 x 900
Full HD 1920 x 1080
Dimensions:
Height 214.81 mm (8.46 in)
Width 381.89 mm (15.04 in)
Diagonal 439.42 mm (17.30 in)
Refresh rate 60 Hz
Operating angle 0 degree (closed) to 135 degrees
Viewing angle:
HD+ • Horizontal — 40 degrees/40 degrees
• Vertical — 10 degrees/30 degrees
Full HD • Horizontal — 50 degrees/50 degrees
• Vertical — 40 degrees/40 degrees
Pixel pitch:
HD+ 0.2388 mm
Full HD 0.1989 mm
Controls Brightness can be controlled through keyboard
shortcuts
Keyboard
Type:
Inspiron 3721/5721 Chiclet keyboard
Inspiron 3737/5737 Backlit chiclet keyboard
Camera
Resolution:
Still image 0.92 megapixels
Video (maximum) 1280 x 720 (HD) at 30 fps
Diagonal viewing angle 74 degrees
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Touchpad
Resolution:
Horizontal 1261 dpi
Vertical 1810 dpi
Dimensions:
Height 56 mm (2.20 in)
Width 100 mm (3.94 in)
Battery
Type:
Inspiron 3737/5737 4-cell “smart” lithium ion (40 WHr)
Inspiron 3721/5721/
3737/5737
Dimensions:
Height 20 mm (0.79 in) 27.40 mm (1.08 in)
Width 272.40 mm (10.72 in) 272.40 mm (10.72 in)
Depth 46.30 mm (1.82 in) 46.30 mm (1.82 in)
Weight 0.26 kg (0.57 lb) 0.36 kg (0.79 lb)
Voltage 14.80 V 11.10 V
Operating time Varies depending on operating conditions and can
Life span (approximate) 300 discharge/charge cycles
Temperature range:
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Coin-cell battery CR-2032
6-cell “smart” lithium ion (65 WHr)
4-cell 6-cell
significantly reduce under certain power-intensive
conditions
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Power Adapter
Type • 65 W
• 90 W
Input voltage 100 VAC–240 VAC
Input current (maximum) 1.50 A/1.60 A/1.70 A/2.50 A
Input frequency 50 Hz–60 Hz
Output current (continuous) 3.34 A/4.62 A
Rated output voltage 19.50 +/- 1 VDC
Temperature range:
Operating 0 °C to 40 °C (32 °F to 104 °F)
Storage –40 °C to 70 °C (–40 °F to 158 °F)
Computer Environment
Temperature range:
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Relative humidity (maximum):
Operating 10 % to 90 % (non-condensing)
Storage 10 % to 95 % (non-condensing)
Vibration (maximum):
Measured using a random vibration spectrum that simulates user environment
Operating 0.66 GRMS
Storage 1.3 GRMS
Shock (maximum)
Measured with hard drive in operating status and a 2-ms half-sine pulse for operating.
Alsomeasured with hard drive in head-parked position and a 2-ms half-sine pulse for storage.
Operating 110 G
Storage 160 G
Altitude (maximum):
Operating –15.2 m to 3048 m (–50 ft to 10,000 ft)
Storage –15.2 m to 10,668 m (–50 ft to 35,000 ft)
Airborne contaminant level G1 as defined by ISA-S71.04-1985
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